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Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. Some of these angles can be surface hardened with heat treating.
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 ACTIVITY after your order ships.
Outside | Inside | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Ht. | Wd. | Heat Treatable | Specifications Met | Outside Corner Shape | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/8" Wall Thick. | ||||||||||
1/2" | 1/2" | 3/8" | 3/8" | Yes | ASTM A36 | Round | 00000000 | |||
3/4" | 3/4" | 5/8" | 5/8" | Yes | ASTM A36 | Round | 00000000 | |||
1" | 1" | 7/8" | 7/8" | Yes | ASTM A36 | Round | 00000000 | |||
1 1/4" | 1 1/4" | 1 1/8" | 1 1/8" | Yes | ASTM A36 | Round | 00000000 | |||
1 1/2" | 1 1/2" | 1 3/8" | 1 3/8" | Yes | ASTM A36 | Round | 00000000 | |||
1 3/4" | 1 3/4" | 1 5/8" | 1 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
2" | 1 1/2" | 1 7/8" | 1 3/8" | Yes | ASTM A36 | Round | 0000000 | |||
2" | 2" | 1 7/8" | 1 7/8" | Yes | ASTM A36 | Round | 00000000 | |||
3/16" Wall Thick. | ||||||||||
1" | 1" | 13/16" | 13/16" | Yes | ASTM A36 | Round | 00000000 | |||
1 1/4" | 1 1/4" | 1 1/16" | 1 1/16" | Yes | ASTM A36 | Round | 0000000 | |||
1 1/2" | 1 1/2" | 1 5/16" | 1 5/16" | Yes | ASTM A36 | Round | 00000000 | |||
1 3/4" | 1 3/4" | 1 9/16" | 1 9/16" | Yes | ASTM A36 | Round | 00000000 | |||
2" | 1 1/2" | 1 13/16" | 1 5/16" | Yes | ASTM A36 | Round | 0000000 | |||
2" | 2" | 1 13/16" | 1 13/16" | Yes | ASTM A36 | Round | 00000000 | |||
2 1/2" | 2 1/2" | 2 5/16" | 2 5/16" | Yes | ASTM A36 | Round | 00000000 | |||
3" | 2" | 2 13/16" | 1 13/16" | Yes | ASTM A36 | Round | 000000 | |||
3" | 3" | 2 13/16" | 2 13/16" | Yes | ASTM A36 | Round | 00000000 | |||
1/4" Wall Thick. | ||||||||||
1" | 1" | 3/4" | 3/4" | Yes | ASTM A36 | Round | 00000000 | |||
1 1/4" | 1 1/4" | 1" | 1" | Yes | ASTM A36 | Round | 0000000 | |||
1 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | Yes | ASTM A36 | Round | 00000000 | |||
1 3/4" | 1 3/4" | 1 1/2" | 1 1/2" | Yes | ASTM A36 | Round | 0000000 | |||
2" | 1 1/2" | 1 3/4" | 1 1/4" | Yes | ASTM A36 | Round | 0000000 | |||
2" | 2" | 1 3/4" | 1 3/4" | Yes | ASTM A36 | Round | 00000000 | |||
2 1/2" | 1 1/2" | 2 1/4" | 1 1/4" | Yes | ASTM A36 | Round | 0000000 | |||
2 1/2" | 2" | 2 1/4" | 1 3/4" | Yes | ASTM A36 | Round | 000000 | |||
2 1/2" | 2 1/2" | 2 1/4" | 2 1/4" | Yes | ASTM A36 | Round | 00000000 | |||
3" | 2" | 2 3/4" | 1 3/4" | Yes | ASTM A36 | Round | 0000000 | |||
3" | 2 1/2" | 2 3/4" | 2 1/4" | Yes | ASTM A36 | Round | 0000000 | |||
3" | 3" | 2 3/4" | 2 3/4" | Yes | ASTM A36 | Round | 00000000 | |||
3 1/2" | 3 1/2" | 3 1/4" | 3 1/4" | Yes | ASTM A36 | Round | 0000000 | |||
4" | 3" | 3 3/4" | 2 3/4" | Yes | ASTM A36 | Round | 0000000 | |||
4" | 4" | 3 3/4" | 3 3/4" | Yes | ASTM A36 | Round | 00000000 | |||
5" | 3" | 4 3/4" | 2 3/4" | Yes | ASTM A36 | Round | 0000000 | |||
5/16" Wall Thick. | ||||||||||
3" | 2" | 2 11/16" | 1 11/16" | No | ASTM A36 | Round | 0000000 | |||
3 1/2" | 3 1/2" | 3 3/16" | 3 3/16" | No | ASTM A36 | Round | 0000000 | |||
4" | 4" | 3 11/16" | 3 11/16" | No | ASTM A36 | Round | 0000000 | |||
5" | 3 1/2" | 4 11/16" | 3 3/16" | No | ASTM A36 | Round | 0000000 | |||
6" | 3 1/2" | 5 11/16" | 3 3/16" | No | ASTM A36 | Round | 0000000 | |||
6" | 4" | 5 11/16" | 3 11/16" | No | ASTM A36 | Round | 0000000 | |||
3/8" Wall Thick. | ||||||||||
2" | 2" | 1 5/8" | 1 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
2 1/2" | 2 1/2" | 2 1/8" | 2 1/8" | Yes | ASTM A36 | Round | 0000000 | |||
3" | 2" | 2 5/8" | 1 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
3" | 3" | 2 5/8" | 2 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
4" | 3" | 3 5/8" | 2 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
4" | 4" | 3 5/8" | 3 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
5" | 3" | 4 5/8" | 2 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
5" | 5" | 4 5/8" | 4 5/8" | Yes | ASTM A36 | Round | 000000 | |||
6" | 4" | 5 5/8" | 3 5/8" | Yes | ASTM A36 | Round | 0000000 | |||
1/2" Wall Thick. | ||||||||||
2 1/2" | 2 1/2" | 2" | 2" | Yes | ASTM A36 | Round | 0000000 | |||
3" | 3" | 2 1/2" | 2 1/2" | Yes | ASTM A36 | Round | 0000000 | |||
4" | 4" | 3 1/2" | 3 1/2" | Yes | ASTM A36 | Round | 0000000 | |||
5" | 3" | 4 1/2" | 2 1/2" | Yes | ASTM A36 | Round | 0000000 | |||
5" | 5" | 4 1/2" | 4 1/2" | Yes | ASTM A36 | Round | 0000000 | |||
6" | 6" | 5 1/2" | 5 1/2" | Yes | ASTM A36 | Round | 0000000 | |||
5/8" Wall Thick. | ||||||||||
4" | 4" | 3 3/8" | 3 3/8" | No | ASTM A36 | Round | 0000000 | |||
6" | 6" | 5 3/8" | 5 3/8" | No | ASTM A36 | Round | 0000000 | |||
3/4" Wall Thick. | ||||||||||
4" | 4" | 3 1/4" | 3 1/4" | No | ASTM A36 | Round | 0000000 | |||
5" | 3 1/2" | 4 1/4" | 2 3/4" | No | ASTM A36 | Round | 0000000 | |||
6" | 4" | 5 1/4" | 3 1/4" | No | ASTM A36 | Round | 0000000 | |||
7" | 4" | 6 1/4" | 3 1/4" | No | ASTM A36 | Round | 0000000 | |||
8" | 6" | 7 1/4" | 5 1/4" | No | ASTM A36 | Round | 0000000 | |||
8" | 8" | 7 1/4" | 7 1/4" | No | ASTM A36 | Round | 0000000 | |||
1" Wall Thick. | ||||||||||
6" | 6" | 5" | 5" | No | ASTM A36 | Round | 0000000 | |||
8" | 8" | 7" | 7" | No | ASTM A36 | Round | 0000000 | |||
3mm Wall Thick. | ||||||||||
30mm | 30mm | 27mm | 27mm | No | EN 10025-2 | Round | 0000000 | |||
4mm Wall Thick. | ||||||||||
20mm | 20mm | 16mm | 16mm | No | EN 10025-2 | Round | 0000000 | |||
40mm | 40mm | 36mm | 36mm | No | EN 10025-2 | Round | 0000000 | |||
5mm Wall Thick. | ||||||||||
30mm | 30mm | 25mm | 25mm | No | EN 10025-2 | Round | 0000000 | |||
50mm | 50mm | 45mm | 45mm | No | EN 10025-2 | Round | 0000000 | |||
6mm Wall Thick. | ||||||||||
40mm | 40mm | 34mm | 34mm | No | EN 10025-2 | Round | 0000000 | |||
50mm | 50mm | 44mm | 44mm | No | EN 10025-2 | Round | 0000000 | |||
60mm | 60mm | 54mm | 54mm | No | EN 10025-2 | Round | 0000000 | |||
70mm | 70mm | 64mm | 64mm | No | EN 10025-2 | Round | 0000000 |
These 90° angles are zinc galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps and spacers.
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 ACTIVITY after your order ships.
Outside | Inside | ||||||||
---|---|---|---|---|---|---|---|---|---|
Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Ht. | Wd. | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/8" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||
3/4" | -0.032" to 0.032" | 3/4" | -0.032" to 0.032" | 5/8" | 5/8" | 0000000 | |||
1" | -0.032" to 0.032" | 1" | -0.032" to 0.032" | 7/8" | 7/8" | 0000000 | |||
1 1/4" | -0.05" to 0.05" | 1 1/4" | -0.05" to 0.05" | 1 1/8" | 1 1/8" | 0000000 | |||
1 1/2" | -1/8" to 1/8" | 1 1/2" | -1/8" to 1/8" | 1 3/8" | 1 3/8" | 0000000 | |||
2" | -1/8" to 1/8" | 2" | -1/8" to 1/8" | 1 7/8" | 1 7/8" | 0000000 | |||
3/16" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||
2" | -0.05" to 0.05" | 2" | -0.05" to 0.05" | 1 13/16" | 1 13/16" | 0000000 | |||
1/4" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||
1 1/2" | -1/8" to 1/8" | 1 1/2" | -1/8" to 1/8" | 1 1/4" | 1 1/4" | 0000000 | |||
2" | -1/8" to 1/8" | 2" | -1/8" to 1/8" | 1 3/4" | 1 3/4" | 0000000 | |||
3" | -1/8" to 1/8" | 3" | -1/8" to 1/8" | 2 3/4" | 2 3/4" | 0000000 |