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About Aluminum
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Compare over 20 aluminum alloys to find the right material for you—all with material certificates for traceability.
Multipurpose 6061 Aluminum I-Beams
- Yield Strength: 35,000 psi
- Hardness: Brinell 95 (Soft)
- Temper: T6
- Fabrication: Extruded
- Specifications Met: ASTM B221
Also known as American Standard I-Beams, these I-beams have tapered flanges with rounded corners. The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Wall Thick. | Wall Thick. Tolerance | Heat Treatment | Temperature Range, °F | Straightness Tolerance | 3 ft. Lg. | 6 ft. Lg. | |
| 3" | -0.048" to 0.048" | 2.509" | -0.1" to 0.1" | 0.349" | -0.008" to 0.008" | Hardened | -320° to 210° | 0.0125" per ft. | 0000000 | ||
| 3" | -0.038" to 0.038" | 2.330" | -0.024" to 0.024" | 0.170" | -0.007" to 0.007" | Hardened | -320° to 210° | 0.0125" per ft. | 00000000 | ||
| 4" | -0.05" to 0.05" | 2.660" | -0.024" to 0.024" | 0.190" | -0.007" to 0.007" | Hardened | -320° to 210° | 0.0125" per ft. | 00000000 | ||
| 4" | -0.05" to 0.05" | 2.796" | -0.119" to 0.119" | 0.326" | -0.008" to 0.008" | Hardened | -320° to 210° | 0.0125" per ft. | 0000000 | ||
| 5" | -0.064" to 0.064" | 3" | -0.024" to 0.024" | 0.210" | -0.007" to 0.007" | Hardened | -320° to 210° | 0.0125" per ft. | 00000000 | ||
| 5" | -0.05" to 0.05" | 3.284" | -0.034" to 0.034" | 0.494" | -0.008" to 0.008" | Hardened | -320° to 210° | 0.0125" per ft. | 00000000 | ||
| 6" | -0.082" to 0.082" | 3.330" | -0.133" to 0.133" | 0.230" | -0.008" to 0.008" | Hardened | -320° to 210° | 0.0125" per ft. | 0000000 | ||
| 6" | -0.082" to 0.082" | 3.443" | -0.137" to 0.137" | 0.343" | -0.008" to 0.008" | Hardened | -320° to 210° | 0.0125" per ft. | 0000000 | ||
| 8" | -0.1" to 0.1" | 4" | -0.034" to 0.034" | 0.270" | -0.008" to 0.008" | Hardened | -320° to 210° | 0.0125" per ft. | 00000000 | ||