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About Steel
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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Weldable 4130 Alloy Steel Round Tubes
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Also known as chrome-moly steel, these 4130 alloy steel round tubes have low carbon content for good weldability. They’re often used for roll cages and frames. To increase their wear resistance, you can harden them with heat treating.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
OD | ID | Fabrication | Heat Treatable | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 3" Long | 1/2 ft. Long | 1 ft. Long | 3 ft. Long | 4 ft. Long | 6 ft. Long | 8 ft. Long | 12 ft. Long | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.028" Thick Wall | ||||||||||||||||||
| 1/4" | 0.194" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K439 | — | — | 00000 | 000000 | — | 000000 | 000000 | — | ||
| 3/8" | 0.319" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K469 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.444" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K479 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 5/8" | 0.569" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K489 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 3/4" | 0.694" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K438 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 1" | 0.944" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K499 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
0.035" Thick Wall | ||||||||||||||||||
| 3/16" | 0.118" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K119 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 1/4" | 0.18" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K219 | — | — | 0000 | 00000 | 000000 | 00000 | 00000 | — | ||
| 5/16" | 0.243" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K239 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3/8" | 0.305" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K149 | — | — | 0000 | 00000 | — | 00000 | 00000 | — | ||
| 1/2" | 0.43" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K259 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 5/8" | 0.555" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K279 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3/4" | 0.68" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K299 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/8" | 0.805" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K849 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1" | 0.93" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K339 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/8" | 1.055" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K919 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/4" | 1.18" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K369 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 3/8" | 1.305" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K979 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/2" | 1.43" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K389 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
0.049" Thick Wall | ||||||||||||||||||
| 1/4" | 0.152" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K229 | — | — | 0000 | 00000 | — | 00000 | 00000 | — | ||
| 5/16" | 0.215" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K249 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 3/8" | 0.277" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K159 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/16" | 0.34" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K739 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.402" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K269 | — | — | 0000 | 00000 | — | 00000 | 00000 | — | ||
| 5/8" | 0.527" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K289 | — | — | 0000 | 00000 | — | 00000 | 00000 | — | ||
| 3/4" | 0.652" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K329 | — | — | 0000 | 00000 | — | 00000 | 00000 | — | ||
| 7/8" | 0.777" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K859 | — | — | 00000 | 00000 | — | 00000 | 00000 | — | ||
| 1" | 0.902" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K359 | — | — | 00000 | 00000 | — | 00000 | 00000 | — | ||
| 1 1/8" | 1.027" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K929 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/4" | 1.152" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K379 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 3/8" | 1.277" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K989 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/2" | 1.402" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K399 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 3/4" | 1.652" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K189 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 2" | 1.902" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K429 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
0.058" Thick Wall | ||||||||||||||||||
| 3/8" | 0.259" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K118 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/16" | 0.322" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K128 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.384" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K138 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 5/8" | 0.509" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K148 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3/4" | 0.634" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K158 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/8" | 0.759" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K168 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 1" | 0.884" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K178 | — | — | 00000 | 00000 | — | 00000 | 00000 | — | ||
| 1 1/8" | 1.009" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K188 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/4" | 1.134" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K198 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 3/8" | 1.259" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K218 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/2" | 1.384" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K228 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 3/4" | 1.634" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K238 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
0.065" Thick Wall | ||||||||||||||||||
| 1/4" | 0.12" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K519 | — | — | 0000 | 00000 | — | 00000 | 00000 | — | ||
| 5/16" | 0.183" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K539 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 3/8" | 0.245" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K449 | — | — | 0000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/16" | 0.308" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K749 | — | — | 0000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.37" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K559 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 9/16" | 0.433" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K789 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 5/8" | 0.495" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K579 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3/4" | 0.62" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K599 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 7/8" | 0.745" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K869 | — | — | 00000 | 00000 | — | 00000 | 00000 | — | ||
| 1" | 0.87" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K639 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 1/8" | 0.995" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K939 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 1 1/4" | 1.12" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K659 | — | — | 00000 | 00000 | — | 00000 | 00000 | — | ||
| 1 3/8" | 1.245" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K129 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/2" | 1.37" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K679 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 5/8" | 1.495" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K248 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 3/4" | 1.62" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K199 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 2" | 1.87" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K699 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
0.083" Thick Wall | ||||||||||||||||||
| 3/8" | 0.209" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K459 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/16" | 0.272" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K759 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.334" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K569 | — | — | 00000 | 00000 | — | 00000 | 00000 | — | ||
| 9/16" | 0.397" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K799 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 5/8" | 0.459" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K589 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 3/4" | 0.584" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K629 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 7/8" | 0.709" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K879 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1" | 0.834" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K649 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 1 1/8" | 0.959" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K949 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/4" | 1.084" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K669 | — | — | 00000 | 00000 | — | 00000 | 000000 | — | ||
| 1 3/8" | 1.209" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K139 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/2" | 1.334" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K689 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 5/8" | 1.459" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K258 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 1 3/4" | 1.584" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K319 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 2" | 1.834" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K719 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
0.095" Thick Wall | ||||||||||||||||||
| 5/16" | 0.123" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K268 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 7/16" | 0.248" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K278 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.31" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K288 | — | 000000 | 00000 | 00000 | — | 00000 | — | — | ||
| 3/4" | 0.56" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K298 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1" | 0.81" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K318 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 1 1/8" | 0.935" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K328 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1 1/4" | 1.06" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K338 | — | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 1 3/8" | 1.185" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K348 | — | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 1 1/2" | 1.31" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K358 | — | — | 00000 | 00000 | — | 000000 | 000000 | — | ||
| 1 5/8" | 1.435" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K368 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 1 3/4" | 1.56" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K378 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 2" | 1.81" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K388 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 2 1/2" | 2.31" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K398 | — | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
0.12" Thick Wall | ||||||||||||||||||
| 3/8" | 0.135" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K729 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 7/16" | 0.198" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K769 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 1/2" | 0.26" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K779 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 9/16" | 0.323" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K819 | — | — | 00000 | 00000 | — | 00000 | — | — | ||
| 5/8" | 0.385" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K829 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 3/4" | 0.51" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K839 | — | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 7/8" | 0.635" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K889 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 1" | 0.76" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K899 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | ||
| 1 1/8" | 0.885" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K959 | — | — | 00000 | 00000 | — | 000000 | — | — | ||
| 1 1/4" | 1.01" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K969 | — | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 1 3/8" | 1.135" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K169 | — | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 1 1/2" | 1.26" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K179 | — | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 1 3/4" | 1.51" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K349 | 000000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 2" | 1.76" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K419 | — | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 2 1/4" | 2.01" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K529 | 00000 | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 2 1/2" | 2.26" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K549 | — | 00000 | 00000 | 000000 | — | 000000 | — | — | ||
| 3" | 2.76" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K619 | — | — | 00000 | 000000 | — | 000000 | — | — | ||
0.156" Thick Wall | ||||||||||||||||||
| 5/8" | 0.313" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K418 | — | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
0.188" Thick Wall | ||||||||||||||||||
| 5/8" | 0.249" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K998 | — | 00000 | 00000 | 00000 | — | 00000 | — | — | ||
| 3/4" | 0.374" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K201 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 1" | 0.624" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K301 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 1 1/8" | 0.749" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K401 | — | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 1 1/4" | 0.874" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K428 | — | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 1 1/2" | 1.124" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K501 | — | 00000 | 00000 | 00000 | 000000 | 000000 | 000000 | — | ||
| 1 3/4" | 1.374" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K606 | — | — | 00000 | 000000 | — | 000000 | — | — | ||
| 2" | 1.624" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K601 | — | 00000 | 00000 | 000000 | — | 000000 | — | — | ||
| 2 1/2" | 2.124" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K701 | — | 00000 | 00000 | 000000 | — | 000000 | — | — | ||
1/4" Thick Wall | ||||||||||||||||||
| 1" | 1/2" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K801 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 1 1/8" | 5/8" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K607 | — | — | 00000 | 000000 | — | 000000 | — | — | ||
| 1 1/4" | 3/4" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K608 | — | — | 00000 | 000000 | — | 000000 | — | — | ||
| 1 1/2" | 1" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K609 | 00000 | 00000 | — | 000000 | — | 000000 | — | — | ||
| 1 3/4" | 1 1/4" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K612 | — | — | 00000 | 000000 | — | 000000 | — | — | ||
| 2" | 1 1/2" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 8305T23 | — | 00000 | — | — | — | — | — | — | ||
| 2" | 1 1/2" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K592 | 00000 | — | — | — | — | — | — | — | ||
| 2 1/2" | 2" | Seamless | Yes | 70,000 | Rockwell C19 (Medium) | Not Rated | SAE AMS6360, SAE AMS-T-6736 | 89955K615 | — | — | 00000 | 000000 | — | 000000 | — | — | ||
| 3" | 2 1/2" | Seamless | Yes | 70,000 | Rockwell C16 (Medium) | Rockwell C49 | SAE AMS6360, SAE AMS-T-6736 | 89955K901 | 00000 | 00000 | 00000 | 000000 | — | 000000 | — | — | ||
Weldable 4130 Alloy Steel Sheets
 |
A low carbon content makes this 4130 alloy steel easy to weld. Also known as chrome-moly steel, it’s often used for pressure vessels and structural supports. It can be surface hardened with heat treating for added wear resistance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Wd. | Lg. | Fabrication | Heat Treatment | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
0.025" Thick (-0.005" to 0.005" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T14 | 000000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T18 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T16 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T24 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T26 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T28 | 00000 | ||
0.032" Thick (-0.005" to 0.005" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T141 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T181 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T161 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T241 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T261 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T281 | 00000 | ||
0.04" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T142 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T182 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T162 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T242 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T262 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T282 | 000000 | ||
| 36" | 72" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T123 | 000000 | ||
0.05" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T143 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T183 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T163 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T243 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T263 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T283 | 000000 | ||
0.063" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T144 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T184 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T164 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T244 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T264 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T284 | 000000 | ||
| 36" | 72" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T121 | 000000 | ||
0.071" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T145 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T185 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T165 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T245 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T265 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T285 | 000000 | ||
0.08" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T146 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T186 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T166 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T246 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T266 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T286 | 000000 | ||
0.09" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T101 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T103 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T102 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T104 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T105 | 00000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T106 | 000000 | ||
0.1" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T147 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T187 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T167 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T247 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T267 | 000000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T287 | 000000 | ||
1/8" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T148 | 00000 | ||
| 6" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T188 | 00000 | ||
| 12" | 12" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T168 | 00000 | ||
| 12" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T248 | 00000 | ||
| 24" | 24" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T268 | 000000 | ||
| 36" | 36" | Cold Worked | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T288 | 000000 | ||
| 36" | 72" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T122 | 000000 | ||
0.16" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T149 | 00000 | ||
| 6" | 36" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T189 | 00000 | ||
| 12" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T169 | 00000 | ||
| 12" | 24" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T249 | 00000 | ||
| 24" | 24" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T269 | 000000 | ||
| 36" | 36" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T289 | 000000 | ||
0.19" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T15 | 00000 | ||
| 6" | 36" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T19 | 00000 | ||
| 12" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T17 | 00000 | ||
| 12" | 24" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T25 | 00000 | ||
| 24" | 24" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T27 | 000000 | ||
| 36" | 36" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T29 | 000000 | ||
| 36" | 72" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T124 | 000000 | ||
1/4" Thick (-0.009" to 0.009" Tolerance) | |||||||||||
| 6" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T151 | 00000 | ||
| 6" | 36" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T191 | 00000 | ||
| 12" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T171 | 00000 | ||
| 12" | 24" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T251 | 00000 | ||
| 24" | 24" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T271 | 000000 | ||
| 36" | 36" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T291 | 000000 | ||
| 36" | 72" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C49 | SAE AMS6350, SAE AMS6351 | 4459T125 | 000000 | ||
Weldable 4130 Alloy Steel Rods
 |
Made from 4130 alloy steel, also known as chrome-moly steel, these rods have low carbon content for good weldability. They’re often used to make gears and bushings. The surface of these rods is hardened to make them more resistant to wear and impacts. They’re also normalized, which is a heating process that relieves internal stress and helps prevent cracking during machining or additional hardening.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Fabrication | Heat Treatment | Yield Strength | Mechanical Finish | Hardness | Specs. Met | 1/2 ft. Long | 1 ft. Long | 2 ft. Long | 3 ft. Long | 4 ft. Long | 6 ft. Long | 8 ft. Long | 12 ft. Long | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/8" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T39 | — | 00000 | 000000 | 000000 | 000000 | 000000 | 000000 | — | |
| 1/2" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T21 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | |
| 5/8" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T22 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | |
| 3/4" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T25 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | |
| 7/8" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T42 | 000000 | 00000 | 00000 | 00000 | — | 000000 | — | — | |
| 1" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T27 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | |
| 1 1/8" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T47 | 00000 | 00000 | 00000 | 00000 | — | 000000 | — | — | |
| 1 1/4" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T29 | 00000 | 00000 | 00000 | 00000 | — | 000000 | — | — | |
| 1 3/8" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T51 | — | 00000 | — | 000000 | — | 000000 | — | — | |
| 1 1/2" | -0.004" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T32 | 00000 | 00000 | 00000 | 000000 | — | 000000 | — | — | |
| 1 5/8" | -0.005" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T52 | — | 00000 | — | 000000 | — | — | — | — | |
| 1 3/4" | -0.005" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T53 | — | 00000 | — | 000000 | — | 000000 | — | — | |
| 2" | -0.005" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T34 | 00000 | 00000 | 000000 | 000000 | — | 000000 | — | — | |
| 2 1/4" | -0.005" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T54 | — | 000000 | — | 000000 | — | — | — | — | |
| 2 1/2" | -0.005" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T36 | 00000 | 000000 | — | 000000 | — | 000000 | — | — | |
| 2 3/4" | -0.006" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T522 | — | 000000 | — | — | — | — | — | — | |
| 3" | -0.006" to 0" | Cold Worked | Hardened, Normalized | Not Rated | Polished, Turned | Rockwell C21 (Hard) | ASTM A108, SAE AMS2301, SAE AMS6348 | 6673T38 | 00000 | 000000 | — | 000000 | — | 000000 | — | — | |
| 4" | 0" to 0.063" | Hot Rolled | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A29, SAE AMS2301, SAE AMS6348 | 6673T139 | 000000 | 000000 | — | 000000 | — | — | — | — | |
| 6" | 0" to 0.125" | Hot Rolled | Hardened, Normalized | Not Rated | — | Rockwell C21 (Hard) | ASTM A29, SAE AMS2301, SAE AMS6348 | 6673T141 | 000000 | 000000 | — | 00000000 | — | — | — | — |
Weldable 4130 Alloy Steel Rectangular Tubes
 |
Made from 4130 alloy steel, also known as chrome-moly steel, these tubes have low carbon content for good weldability. They’re often used for building frames and supports, since their flat sides make them easier to bolt than round tubes. To increase their wear resistance, you can harden them with heat treating.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | Corner Shape | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Ht. | Wd. | Inside | Outside | Fabrication | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1/2 ft. Long | 1 ft. Long | 2 ft. Long | 3 ft. Long | 6 ft. Long | |||
0.035" Thick Wall | ||||||||||||||||||
| 3/8" | 3/8" | 0.305" | 0.305" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K21 | 000000 | 000000 | 000000 | 000000 | 000000 | ||
| 1/2" | 1/2" | 0.43" | 0.43" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K22 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 1/2" | 1" | 0.43" | 0.93" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K25 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 5/8" | 5/8" | 0.555" | 0.555" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K23 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 3/4" | 3/4" | 0.68" | 0.68" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K24 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 1" | 1" | 0.93" | 0.93" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K26 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
0.049" Thick Wall | ||||||||||||||||||
| 1/2" | 1" | 0.402" | 0.902" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K52 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 5/8" | 5/8" | 0.527" | 0.527" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K27 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 3/4" | 3/4" | 0.652" | 0.652" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K28 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 3/4" | 1 1/2" | 0.652" | 1.402" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K31 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 1" | 1" | 0.902" | 0.902" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K29 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 1" | 1 1/2" | 0.902" | 1.402" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K54 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
0.065" Thick Wall | ||||||||||||||||||
| 1/2" | 1" | 0.37" | 0.87" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K33 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 5/8" | 5/8" | 0.495" | 0.495" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K32 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 3/4" | 3/4" | 0.62" | 0.62" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K41 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 1" | 1" | 0.87" | 0.87" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6582K43 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 1" | 1 1/2" | 0.87" | 1.37" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K34 | 00000 | 00000 | 00000 | 000000 | 000000 | ||
| 1" | 1 3/4" | 0.87" | 1.62" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K35 | 00000 | 00000 | 00000 | 000000 | 000000 | ||
| 1" | 2" | 0.87" | 1.87" | Round | Round | Seamless | 75,000 | Rockwell C20 (Hard) | Rockwell C49 | SAE AMS-T-6736 | 6566K56 | 00000 | 00000 | 00000 | 000000 | 000000 | ||
Hardened Weldable 4130 Alloy Steel Sheets
|
The surface of this 4130 alloy steel is hardened, so it resists impact and abrasion better than standard 4130 alloy steel. Also known as chrome-moly steel, it has a low carbon content for good weldability. 4130 alloy steel is often used for pressure vessels and structural supports.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Wd. | Lg. | Fabrication | Yield Strength, psi | Hardness | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|
0.063" Thick (-0.009" to 0.009" Tolerance) | |||||||||
| 12" | 12" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N111 | 000000 | ||
| 24" | 24" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N115 | 000000 | ||
| 36" | 36" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N119 | 000000 | ||
0.1" Thick (-0.009" to 0.009" Tolerance) | |||||||||
| 12" | 12" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N112 | 00000 | ||
| 24" | 24" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N116 | 000000 | ||
| 36" | 36" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N121 | 000000 | ||
1/8" Thick (-0.009" to 0.009" Tolerance) | |||||||||
| 12" | 12" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N113 | 00000 | ||
| 24" | 24" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N117 | 000000 | ||
| 36" | 36" | Cold Worked | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N122 | 000000 | ||
1/4" Thick (-0.009" to 0.009" Tolerance) | |||||||||
| 12" | 12" | Hot Rolled | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N114 | 00000 | ||
| 24" | 24" | Hot Rolled | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N118 | 000000 | ||
| 36" | 36" | Hot Rolled | 80,000 | Rockwell C21 (Hard) | ASTM A506, SAE AMS2301 | 9632N123 | 000000 | ||
Weldable 4130 Alloy Steel Triangles
 |
Weld these alloy steel triangles to strengthen joints in structural applications. They're also known as gussets. They have clipped corners that leave room for a weld bead, so you can make stronger welds. Made from 4130 alloy steel, also known as chrome-moly steel, these triangles have low carbon content for good weldability. To increase their wear resistance, you can harden them with heat treating.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Wd. | Lg. | Fabrication | Heat Treatment | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/8" Thick (-0.009" to 0.009" Tolerance) | ||||||||||||
| 4" | 4" | Cold Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 2 | 9771N11 | 000000 | ||
| 6" | 6" | Cold Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N12 | 00000 | ||
| 8" | 8" | Cold Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N13 | 00000 | ||
| 12" | 12" | Cold Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N14 | 00000 | ||
3/16" Thick (-0.009" to 0.009" Tolerance) | ||||||||||||
| 4" | 4" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N15 | 00000 | ||
| 6" | 6" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N16 | 00000 | ||
| 8" | 8" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N17 | 00000 | ||
| 12" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N18 | 00000 | ||
1/4" Thick (-0.009" to 0.009" Tolerance) | ||||||||||||
| 4" | 4" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N19 | 00000 | ||
| 6" | 6" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N21 | 00000 | ||
| 8" | 8" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N22 | 00000 | ||
| 12" | 12" | Hot Rolled | Annealed | 50,000 | Rockwell B85 (Medium) | Rockwell C60 | SAE AMS6350, SAE AMS6351 | 1 | 9771N23 | 00000 | ||
