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DFARS Specialty Metals
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Multipurpose 6061 Aluminum I-Beams
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The most widely used aluminum, 6061 is made into everything from pipe fittings to containers to airplane parts. It balances strength and corrosion resistance, plus it's easy to machine and weld.
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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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Wall Thk. | Wall Thk. Tolerance | Fabrication | Temper Designation | Specs. Met | 3 ft. Long | 6 ft. Long | ||
| 3" | 2.330" | 0.170" | -0.007" to 0.007" | Extruded | T6 | ASTM B221 | 8003K201 | 000000 | 0000000 | |
| 3" | 2.509" | 0.349" | -0.008" to 0.008" | Extruded | T6 | ASTM B221 | 8003K11 | 00000 | 000000 | |
| 4" | 2.660" | 0.190" | -0.007" to 0.007" | Extruded | T6 | ASTM B221 | 8003K204 | 00000 | 000000 | |
| 4" | 2.796" | 0.326" | -0.008" to 0.008" | Extruded | T6 | ASTM B221 | 8003K13 | 000000 | 000000 | |
| 5" | 3.000" | 0.210" | -0.007" to 0.007" | Extruded | T6 | ASTM B221 | 8003K207 | 000000 | 000000 | |
| 5" | 3.284" | 0.494" | -0.008" to 0.008" | Extruded | T6 | ASTM B221 | 8003K214 | 000000 | 000000 | |
| 6" | 3.330" | 0.230" | -0.008" to 0.008" | Extruded | T6 | ASTM B221 | 8003K15 | 000000 | 000000 | |
| 6" | 3.443" | 0.343" | -0.008" to 0.008" | Extruded | T6 | ASTM B221 | 8003K17 | 000000 | 000000 | |
| 8" | 4.000" | 0.270" | -0.008" to 0.008" | Extruded | T6 | ASTM B221 | 8003K211 | 000000 | 000000 | |
High-Strength A992 Alloy Steel I-Beams
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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 | — | ||
Multipurpose 304 Stainless Steel I-Beams
I-beams are lighter weight than H-bars, but they're not as strong. Use them when weight is a concern. From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications. It maintains its corrosion resistance in temperatures up to 1500° F.
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. | Fabrication | Edge Fabrication | Outside | Inside | Hardness | Specs. Met | 3 ft. Long | 6 ft. Long | |||
0.26" Thick Wall | ||||||||||||
| 3" | 2.33" | Hot Rolled | Sheared | Round | Round | Rockwell B80 (Medium) | ASTM A276 | 7757N21 | 0000000 | 0000000 | ||
0.293" Thick Wall | ||||||||||||
| 4" | 2.663" | Hot Rolled | Sheared | Round | Round | Rockwell B80 (Medium) | ASTM A276 | 7757N22 | 000000 | 000000 | ||
0.326" Thick Wall | ||||||||||||
| 5" | 3.004" | Hot Rolled, Welded | Sheared | Round | Round | Rockwell B80 (Medium) | ASTM A276 | 7757N23 | 000000 | 000000 | ||
0.359" Thick Wall | ||||||||||||
| 6" | 3.332" | Hot Rolled | Sheared | Round | Round | Rockwell B80 (Medium) | ASTM A276 | 7757N24 | 000000 | 00000000 | ||
Structural FRP Fiberglass I-Beams
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These FRP fiberglass I-beams are an alternative to wood in structural applications. Made of fiberglass-reinforced polyester, they are strong and lightweight.
Outside | 5 ft. Long | 10 ft. Long | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wd. | Ht. | Straightness Tolerance | Color | Temp. Range, ° F | Tensile Strength, psi | Impact Strength, ft·lbf/in | Hardness | For Use Outdoors | Each | Each | ||||
3/16" Thick Wall (-0.019" to 0.019") | ||||||||||||||
| 1 1/2" | 3 1/2" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 9468T51 | 000000 | 9468T52 | 0000000 | ||
1/4" Thick Wall (-0.025" to 0.025") | ||||||||||||||
| 1 1/2" | 3" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 9468T41 | 00000 | 9468T42 | 000000 | ||
| 2" | 4" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 9468T11 | 00000 | 9468T12 | 000000 | ||
| 3" | 6" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 9468T21 | 000000 | 9468T22 | 000000 | ||
3/8" Thick Wall (-0.038" to 0.038") | ||||||||||||||
| 4" | 8" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 9468T31 | 000000 | 9468T32 | 000000 | ||
