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Heat Treatment Heat Treatment |
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Fabrication Fabrication |
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Tolerance Rating Tolerance Rating |
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Yield Strength Yield Strength |
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Specifications Met Specifications Met |
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Hardness Hardness |
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Maximum Hardness After Heat Treatment Maximum HardnessAfter Heat Treatment |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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Easy-to-Weld 4130 Alloy Steel Round Tubes
- Yield Strength:
6" lg. tubes: 80,000 psi
All other sizes: 70,000 psi - Hardness:
6" lg. tubes: Rockwell C40 (Hard)
All other sizes: Rockwell C20 (Hard) - Heat Treatable: Yes
- Max. Hardness After Heat Treatment:
6" lg. tubes: Not Rated
All other sizes: Rockwell C49 - Specifications Met: See table
4130 alloy steel has a low carbon content that provides good weldability. It's often used for gears, fasteners, and structural applications.
| OD | OD Tolerance | ID | Specifications Met | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.028" Wall Thick. (-0.004" to 0.004" Tolerance) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/4" | -0.005" to 0.005" | 0.194" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/8" | -0.005" to 0.005" | 0.319" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.444" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.569" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.694" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.010" to 0.010" | 0.944" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.035" Wall Thick. (-0.005" to 0.005" Tolerance) | ||||||||
| 0.188" | -0.005" to 0.005" | 0.118" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/4" | -0.005" to 0.005" | 0.18" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.313" | -0.005" to 0.005" | 0.243" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/8" | -0.005" to 0.005" | 0.305" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.43" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.555" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.68" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/8" | -0.005" to 0.005" | 0.805" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.93" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 1.055" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.18" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.305" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.013" to 0.013" | 1.43" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.049" Wall Thick. (-0.007" to 0.007" Tolerance) | ||||||||
| 1/4" | -0.005" to 0.005" | 0.152" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.313" | -0.005" to 0.005" | 0.215" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/8" | -0.005" to 0.005" | 0.277" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.438" | -0.005" to 0.005" | 0.34" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.402" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.527" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.652" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/8" | -0.005" to 0.005" | 0.777" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.902" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 1.027" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.152" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.277" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.005" to 0.005" | 1.402" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/4" | -0.019" to 0.019" | 1.652" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2" | -0.020" to 0.020" | 1.902" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.058" Wall Thick. (-0.009" to 0.009" Tolerance) | ||||||||
| 3/8" | -0.005" to 0.005" | 0.259" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/16" | -0.005" to 0.005" | 0.322" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.384" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.509" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.634" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/8" | -0.005" to 0.005" | 0.759" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.884" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 1.009" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.134" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.259" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.005" to 0.005" | 1.384" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/4" | -0.010" to 0.010" | 1.634" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.065" Wall Thick. (-0.01" to 0.01" Tolerance) | ||||||||
| 1/4" | -0.005" to 0.005" | 0.12" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.313" | -0.005" to 0.005" | 0.183" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/8" | -0.005" to 0.005" | 0.245" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.438" | -0.005" to 0.005" | 0.308" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.37" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.563" | -0.005" to 0.005" | 0.433" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.495" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.62" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/8" | -0.005" to 0.005" | 0.745" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.87" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 0.995" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.12" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.245" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.005" to 0.005" | 1.37" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 5/8" | -0.010" to 0.010" | 1.495" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/4" | -0.010" to 0.010" | 1.62" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2" | -0.010" to 0.010" | 1.87" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.083" Wall Thick. (-0.012" to 0.012" Tolerance) | ||||||||
| 3/8" | -0.005" to 0.005" | 0.209" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.438" | -0.005" to 0.005" | 0.272" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.334" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.563" | -0.005" to 0.005" | 0.397" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.459" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.584" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/8" | -0.005" to 0.005" | 0.709" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.834" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 0.959" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.084" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.209" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.005" to 0.005" | 1.334" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 5/8" | -0.010" to 0.010" | 1.459" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/4" | -0.010" to 0.010" | 1.584" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2" | -0.010" to 0.010" | 1.834" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.095" Wall Thick. (-0.014" to 0.014" Tolerance) | ||||||||
| 5/16" | -0.005" to 0.005" | 0.123" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/16" | -0.005" to 0.005" | 0.248" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.31" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.56" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.81" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 0.935" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.06" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.185" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.010" to 0.010" | 1.31" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 5/8" | -0.010" to 0.010" | 1.435" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/4" | -0.010" to 0.010" | 1.56" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2" | -0.010" to 0.010" | 1.81" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2 1/2" | -0.010" to 0.010" | 2.31" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.12" Wall Thick. (-0.018" to 0.018" Tolerance) | ||||||||
| 3/8" | -0.005" to 0.005" | 0.135" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.438" | -0.005" to 0.005" | 0.198" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1/2" | -0.005" to 0.005" | 0.26" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 0.563" | -0.005" to 0.005" | 0.323" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 5/8" | -0.005" to 0.005" | 0.385" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.51" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 7/8" | -0.005" to 0.005" | 0.635" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.76" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 0.885" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 1.01" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/8" | -0.005" to 0.005" | 1.135" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.005" to 0.005" | 1.26" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 3/4" | -0.010" to 0.010" | 1.51" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2" | -0.010" to 0.010" | 1.76" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2 1/4" | -0.010" to 0.010" | 2.01" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2 1/2" | -0.010" to 0.010" | 2.26" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3" | -0.010" to 0.010" | 2.76" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.156" Wall Thick. (-0.023" to 0.023" Tolerance) | ||||||||
| 5/8" | -0.005" to 0.005" | 0.313" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
0.188" Wall Thick. (-0.028" to 0.028" Tolerance) | ||||||||
| 5/8" | -0.005" to 0.005" | 0.249" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3/4" | -0.005" to 0.005" | 0.374" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1" | -0.005" to 0.005" | 0.624" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/8" | -0.005" to 0.005" | 0.749" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/4" | -0.005" to 0.005" | 0.874" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 1 1/2" | -0.005" to 0.005" | 1.124" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2" | -0.010" to 0.010" | 1.624" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 2 1/2" | -0.010" to 0.010" | 2.124" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
1/4" Wall Thick. (-0.038" to 0.038" Tolerance) | ||||||||
| 1" | -0.005" to 0.005" | 1/2" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
| 3" | -0.010" to 0.010" | 2 1/2" | AMS-T-6736, MIL-T-6736B | 0.030" per 3 ft. | 000000000 | |||
6" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Heat Treatment | Specifications Met | Each | |
1/4" Wall Thick. (-0.038" to 0.038" Tolerance) | |||||||
| 1" | -0.035" to 0.035" | 1/2" | -0.038" to 0.038" | Annealed (Softened) | ASTM A513 | 0000000 | 000000 |
| 1 1/2" | -0.035" to 0.035" | 1" | -0.038" to 0.038" | Annealed (Softened) | ASTM A519 | 0000000 | 00000 |
| 2" | -0.035" to 0.035" | 1 1/2" | -0.038" to 0.038" | Annealed (Softened) | ASTM A513 | 0000000 | 00000 |
Easy-to-Weld 4130 Alloy Steel
Round Tubes with Certification
- Yield Strength: 70,000 psi
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C49
- Specifications Met: AMS-T-6736, MIL-T-6736B
All come with a traceable lot number and test report. 4130 alloy steel has a low carbon content for good weldability. It's often used for gears, fasteners, and structural applications.
6 ft. Lg. | |||||
|---|---|---|---|---|---|
| OD | OD Tolerance | ID | Straightness Tolerance | Each | |
0.049" Wall Thick. (-0.007" to 0.007" Tolerance) | |||||
| 3/8" | -0.005" to 0.005" | 0.277" | 0.030" per 3 ft. | 000000000 | 000000 |
| 1/2" | -0.005" to 0.005" | 0.402" | 0.030" per 3 ft. | 000000000 | 00000 |
| 3/4" | -0.005" to 0.005" | 0.652" | 0.030" per 3 ft. | 000000000 | 00000 |
| 1" | -0.005" to 0.005" | 0.902" | 0.030" per 3 ft. | 000000000 | 00000 |
0.065" Wall Thick. (-0.01" to 0.01" Tolerance) | |||||
| 1/2" | -0.005" to 0.005" | 0.37" | 0.030" per 3 ft. | 000000000 | 00000 |
| 3/4" | -0.005" to 0.005" | 0.62" | 0.030" per 3 ft. | 000000000 | 00000 |
| 7/8" | -0.005" to 0.005" | 0.745" | 0.030" per 3 ft. | 000000000 | 00000 |
| 1" | -0.005" to 0.005" | 0.87" | 0.030" per 3 ft. | 000000000 | 00000 |
0.083" Wall Thick. (-0.012" to 0.012" Tolerance) | |||||
| 3/4" | -0.005" to 0.005" | 0.584" | 0.030" per 3 ft. | 000000000 | 00000 |
| 7/8" | -0.005" to 0.005" | 0.709" | 0.030" per 3 ft. | 000000000 | 00000 |
| 1" | -0.005" to 0.005" | 0.834" | 0.030" per 3 ft. | 000000000 | 00000 |
| 1 1/4" | -0.005" to 0.005" | 1.084" | 0.030" per 3 ft. | 000000000 | 00000 |
0.12" Wall Thick. (-0.018" to 0.018" Tolerance) | |||||
| 5/8" | -0.005" to 0.005" | 0.385" | 0.030" per 3 ft. | 000000000 | 00000 |
| 3/4" | -0.005" to 0.005" | 0.51" | 0.030" per 3 ft. | 000000000 | 00000 |
| 7/8" | -0.005" to 0.005" | 0.635" | 0.030" per 3 ft. | 000000000 | 00000 |
| 2" | -0.010" to 0.010" | 1.76" | 0.030" per 3 ft. | 000000000 | 000000 |
1/4" Wall Thick. (-0.038" to 0.038" Tolerance) | |||||
| 1" | -0.005" to 0.005" | 1/2" | 0.030" per 3 ft. | 000000000 | 000000 |
| 3" | -0.010" to 0.010" | 2 1/2" | 0.030" per 3 ft. | 000000000 | 000000 |
Easy-to-Weld 4130 Alloy Steel Rods
- Yield Strength: Not Rated
- Hardness: Rockwell C20 (Hard)
- Specifications Met: AMS 6348, ASTM A108, AMS 2301
4130 alloy steel has a low carbon content for good weldability. It's often used for gears, fasteners, and structural applications. These rods have been normalized for consistent hardening and machining.
| Dia. | Dia. Tolerance | Heat Treatment | Mechanical Finish | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
| 3/8" | -0.005" to 0" | Hardened, Normalized | __ | 0000000 | |||
| 1/2" | -0.005" to 0" | Hardened, Normalized | __ | 0000000 | |||
| 5/8" | -0.005" to 0" | Hardened, Normalized | __ | 0000000 | |||
| 3/4" | -0.005" to 0" | Hardened, Normalized | __ | 0000000 | |||
| 7/8" | -0.005" to 0" | Hardened, Normalized | __ | 0000000 | |||
| 1" | -0.005" to 0" | Hardened, Normalized | __ | 0000000 | |||
| 1 1/8" | -0.005" to 0" | Hardened, Normalized | Turned and Polished | 0000000 | |||
| 1 1/4" | -0.005" to 0" | Hardened, Normalized | Turned and Polished | 0000000 | |||
| 1 1/2" | -0.005" to 0" | Hardened, Normalized | Turned and Polished | 0000000 | |||
| 2" | -0.006" to 0" | Hardened, Normalized | Turned and Polished | 0000000 | |||
| 2 1/2" | -0.006" to 0" | Hardened, Normalized | Turned and Polished | 0000000 | |||
| 3" | -0.006" to 0" | Hardened, Normalized | Turned and Polished | 0000000 |
Easy-to-Weld 4130 Alloy Steel
Sheets and Bars with Certification
- Yield Strength: 50,000 psi
- Hardness: Rockwell B85 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C60
- Specifications Met: AMS 6350, AMS 6351
All come with a traceable lot number and test report. 4130 alloy steel has a low carbon content for good weldability. It's often used for gears, fasteners, and structural applications.
| Thick. | Thick. Tolerance | Heat Treatment | Each | |
6" × 12" | ||||
|---|---|---|---|---|
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 000000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
6" × 36" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
12" × 12" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
12" × 24" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
24" × 24" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 000000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
36" × 36" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 000000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
Easy-to-Weld 4130 Alloy Steel Rectangular Tubes
- Yield Strength: 75,000 psi
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C49
- Specifications Met: AMS-T-6736, MIL-T-6736B
4130 alloy steel has a low carbon content for good weldability. It's often used for structural applications.
For technical drawings and 3-D models, click on a part number.
Outside | Inside | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Ht. | Wd. | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.035" Wall Thick. (-0.004" to 0.004" Tolerance) | |||||||||||
| 3/8" | -0.020" to 0.020" | 3/8" | -0.020" to 0.020" | 0.305" | 0.305" | 0000000 | |||||
| 1/2" | -0.020" to 0.020" | 1/2" | -0.020" to 0.020" | 0.43" | 0.43" | 0000000 | |||||
| 1/2" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.43" | 0.93" | 0000000 | |||||
| 5/8" | -0.020" to 0.020" | 5/8" | -0.020" to 0.020" | 0.555" | 0.555" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 3/4" | -0.020" to 0.020" | 0.68" | 0.68" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.93" | 0.93" | 0000000 | |||||
0.049" Wall Thick. (-0.005" to 0.005" Tolerance) | |||||||||||
| 1/2" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.402" | 0.902" | 0000000 | |||||
| 5/8" | -0.020" to 0.020" | 5/8" | -0.020" to 0.020" | 0.527" | 0.527" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 3/4" | -0.020" to 0.020" | 0.652" | 0.652" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.652" | 1.402" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.902" | 0.902" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.902" | 1.402" | 0000000 | |||||
0.065" Wall Thick. (-0.007" to 0.007" Tolerance) | |||||||||||
| 1/2" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.37" | 0.87" | 0000000 | |||||
| 5/8" | -0.020" to 0.020" | 5/8" | -0.020" to 0.020" | 0.495" | 0.495" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 3/4" | -0.020" to 0.020" | 0.62" | 0.62" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.87" | 0.87" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.87" | 1.37" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1 3/4" | -0.020" to 0.020" | 0.87" | 1.62" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 2" | -0.020" to 0.020" | 0.87" | 1.87" | 0000000 | |||||