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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.
High-Strength A992 Alloy Steel I-Beams
 |
Made of stiff alloy steel, these I-beams are often used in construction, framing, lifting, and hoisting applications. Alloy steel contains silicon and vanadium to boost strength and hardness, so it bends less under load than carbon steel. For added wear resistance, they can be surface hardened with heat treating. Also known as American Standard I-beams, these I-beams have rounded corners.
The beam trade number indicates the I-beam's outside height and weight in pounds per foot. This provides an easy reference to help you select the right size and strength for your application.
Outside | Corner Shape | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Beam Trade Size | Inside | Outside | Fabrication | Yield Strength, psi | Hardness | Specs. Met | 3 ft. Long | 6 ft. Long | 8 ft. Long | |||
0.26" Thick Wall | ||||||||||||||
| 3" | 2.33" | S 3 × 5.7 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N11 | 000000 | 0000000 | 0000000 | ||
0.293" Thick Wall | ||||||||||||||
| 4" | 2.663" | S 4 × 7.7 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N15 | 00000 | 000000 | — | ||
0.359" Thick Wall | ||||||||||||||
| 6" | 3.332" | S 6 × 12.5 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N16 | 000000 | 000000 | — | ||
0.425" Thick Wall | ||||||||||||||
| 8" | 4.001" | S 8 × 18.4 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N14 | 000000 | 000000 | — | ||
0.491" Thick Wall | ||||||||||||||
| 10" | 4.625" | S 10 × 25.4 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N201 | 000000 | 000000 | — | ||
0.544" Thick Wall | ||||||||||||||
| 12" | 5" | S 12 × 31.8 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N204 | 000000 | 000000 | — | ||
0.622" Thick Wall | ||||||||||||||
| 15" | 5.5" | S 15 × 42.9 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N207 | 000000 | 000000 | — | ||
0.691" Thick Wall | ||||||||||||||
| 18" | 6" | S 18 × 54.7 | Round | Round | Hot Rolled | 50,000 | Not Rated | ASTM A992 | 6998N211 | 000000 | 00000000 | — | ||
High-Strength A992 Alloy Steel H-Bars
 |
Also known as W- and WF-beams, H-bars have wide flanges for strength. Made of alloy steel, they're often used in machine bases, platforms, and frames. Alloy steel contains silicon and vanadium to boost strength and hardness, so it bends less under load than carbon steel. Surface harden it for added wear resistance.
H-bars have wider flanges than I-beams, making them stronger but also heavier. They’re easier to weld as their straight flanges offer more surface area than I-beams’ tapered flanges.
The beam trade number indicates the channel’s outside width and weight in lbs./ft. This gives you an easy reference for selecting the right size and strength for your needs.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Corner Shape | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Beam Trade Size | Inside Wd. | Inside | Outside | Fabrication | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 3 ft. Long | 6 ft. Long | |||
0.215" Thick Wall | |||||||||||||||
| 3.94" | 5.9" | W 6 × 9 | 5.47" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N12 | 0000000 | 0000000 | ||
0.255" Thick Wall | |||||||||||||||
| 4" | 7.99" | W 8 × 13 | 7.48" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N302 | 000000 | 000000 | ||
0.26" Thick Wall | |||||||||||||||
| 5.99" | 5.99" | W 6 × 15 | 5.47" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N14 | 000000 | 000000 | ||
0.28" Thick Wall | |||||||||||||||
| 4" | 6.03" | W 6 × 12 | 5.47" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N13 | 000000 | 000000 | ||
0.33" Thick Wall | |||||||||||||||
| 5.25" | 8.14" | W 8 × 18 | 7.48" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N303 | 000000 | 000000 | ||
0.345" Thick Wall | |||||||||||||||
| 4.06" | 4.16" | W 4 × 13 | 3.47" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N11 | 000000 | 000000 | ||
0.36" Thick Wall | |||||||||||||||
| 5" | 5.01" | W 5 × 16 | 4.28" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N301 | 000000 | 000000 | ||
0.365" Thick Wall | |||||||||||||||
| 6.02" | 6.2" | W 6 × 20 | 5.47" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N15 | 000000 | 000000 | ||
0.4" Thick Wall | |||||||||||||||
| 6.495" | 7.93" | W 8 × 24 | 7.13" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N304 | 000000 | 000000 | ||
0.435" Thick Wall | |||||||||||||||
| 7.995" | 8" | W 8 × 31 | 7.13" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N19 | 000000 | 000000 | ||
0.455" Thick Wall | |||||||||||||||
| 6.08" | 6.38" | W 6 × 25 | 5.47" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N16 | 000000 | 000000 | ||
0.51" Thick Wall | |||||||||||||||
| 5.81" | 10.47" | W 10 × 30 | 9.45" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N305 | 000000 | 000000 | ||
0.56" Thick Wall | |||||||||||||||
| 8.07" | 8.25" | W 8 × 40 | 7.13" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N21 | 000000 | 000000 | ||
0.62" Thick Wall | |||||||||||||||
| 8.02" | 10.1" | W 10 × 45 | 8.86" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N306 | 000000 | 000000 | ||
0.64" Thick Wall | |||||||||||||||
| 8.08" | 12.19" | W 12 × 50 | 10.91" | Square | Square | Hot Rolled | 50,000 | Not Rated | Not Rated | ASTM A992 | 6997N307 | 000000 | 000000 | ||
