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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.
Multipurpose Low-Carbon Steel 90° Angles
 |
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 frames, supports, and edge protectors.
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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 | Inside | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Ht. | Wd. | Fabrication | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1/2 ft. Long | 1 ft. Long | 2 ft. Long | 3 ft. Long | 4 ft. Long | 6 ft. Long | 8 ft. Long | 10 ft. Long | |||
1/8" Thick Wall | |||||||||||||||||||
| 1/2" | 1/2" | 3/8" | 3/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K124 | — | 00000 | — | 00000 | 000000 | 000000 | 000000 | 000000 | ||
| 3/4" | 3/4" | 5/8" | 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K424 | — | 0000 | — | 0000 | 00000 | 00000 | 00000 | 00000 | ||
| 1" | 1" | 7/8" | 7/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K444 | — | 0000 | — | 0000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 1/4" | 1 1/4" | 1 1/8" | 1 1/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K474 | — | 0000 | — | 0000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 1/2" | 1 1/2" | 1 3/8" | 1 3/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K484 | — | 0000 | — | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 3/4" | 1 3/4" | 1 5/8" | 1 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K13 | — | 0000 | — | 00000 | 00000 | 00000 | 00000 | — | ||
| 2" | 1 1/2" | 1 7/8" | 1 3/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K11 | — | 0000 | 000000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 2" | 2" | 1 7/8" | 1 7/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K494 | — | 0000 | — | 00000 | 00000 | 00000 | 00000 | 00000 | ||
3/16" Thick Wall | |||||||||||||||||||
| 1" | 1" | 13/16" | 13/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K144 | — | 0000 | — | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 1/4" | 1 1/4" | 1 1/16" | 1 1/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K15 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 1 1/2" | 1 1/2" | 1 5/16" | 1 5/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K594 | — | 0000 | — | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 3/4" | 1 3/4" | 1 9/16" | 1 9/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K164 | — | 0000 | — | 00000 | — | 00000 | 00000 | — | ||
| 2" | 1 1/2" | 1 13/16" | 1 5/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K17 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 2" | 2" | 1 13/16" | 1 13/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K184 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 2 1/2" | 2 1/2" | 2 5/16" | 2 5/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K224 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3" | 2" | 2 13/16" | 1 13/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K3 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3" | 3" | 2 13/16" | 2 13/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K244 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
1/4" Thick Wall | |||||||||||||||||||
| 1" | 1" | 3/4" | 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K654 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 1 1/4" | 1 1/4" | 1" | 1" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K76 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 1 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K674 | — | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 1 3/4" | 1 3/4" | 1 1/2" | 1 1/2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K78 | — | 00000 | — | 00000 | 00000 | 00000 | 00000 | — | ||
| 2" | 1 1/2" | 1 3/4" | 1 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K77 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 2" | 2" | 1 3/4" | 1 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K694 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 2 1/2" | 1 1/2" | 2 1/4" | 1 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K79 | — | 00000 | 00000 | 00000 | 00000 | 00000 | — | — | ||
| 2 1/2" | 2" | 2 1/4" | 1 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K8 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 2 1/2" | 2 1/2" | 2 1/4" | 2 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K714 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3" | 2" | 2 3/4" | 1 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K81 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 3" | 2 1/2" | 2 3/4" | 2 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K82 | — | 00000 | — | 00000 | — | 00000 | — | — | ||
| 3" | 3" | 2 3/4" | 2 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K734 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 3 1/2" | 3 1/2" | 3 1/4" | 3 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K31 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 4" | 3" | 3 3/4" | 2 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K83 | 000000 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 4" | 4" | 3 3/4" | 3 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K754 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | ||
| 5" | 3" | 4 3/4" | 2 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K84 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
5/16" Thick Wall | |||||||||||||||||||
| 3" | 2" | 2 11/16" | 1 11/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N21 | — | 00000 | — | 00000 | — | 00000 | — | — | ||
| 3 1/2" | 3 1/2" | 3 3/16" | 3 3/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N22 | — | 00000 | — | 00000 | — | 00000 | — | — | ||
| 4" | 4" | 3 11/16" | 3 11/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N23 | — | 00000 | — | 00000 | — | 00000 | — | — | ||
| 5" | 3 1/2" | 4 11/16" | 3 3/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N25 | — | 00000 | — | 00000 | — | 00000 | — | — | ||
| 6" | 3 1/2" | 5 11/16" | 3 3/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N28 | 00000 | 00000 | — | 00000 | — | 000000 | — | — | ||
| 6" | 4" | 5 11/16" | 3 11/16" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N29 | 00000 | 00000 | — | 00000 | — | 000000 | — | — | ||
3/8" Thick Wall | |||||||||||||||||||
| 2" | 2" | 1 5/8" | 1 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K85 | — | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | — | ||
| 2 1/2" | 2 1/2" | 2 1/8" | 2 1/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K86 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 3" | 2" | 2 5/8" | 1 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K87 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 3" | 3" | 2 5/8" | 2 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K88 | 00000 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | — | ||
| 3 1/2" | 3 1/2" | 3 1/8" | 3 1/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K37 | — | 00000 | — | 00000 | — | 000000 | — | — | ||
| 4" | 3" | 3 5/8" | 2 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K32 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 4" | 4" | 3 5/8" | 3 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K89 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | — | ||
| 5" | 3" | 4 5/8" | 2 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K33 | 00000 | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 5" | 5" | 4 5/8" | 4 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K9 | 00000 | 00000 | 00000 | 00000 | — | 000000 | — | — | ||
| 6" | 4" | 5 5/8" | 3 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K34 | 00000 | 00000 | 00000 | 000000 | 000000 | 000000 | 000000 | — | ||
| 6" | 6" | 5 5/8" | 5 5/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K38 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
1/2" Thick Wall | |||||||||||||||||||
| 2 1/2" | 2 1/2" | 2" | 2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K91 | 00000 | 00000 | — | 00000 | — | 000000 | 000000 | — | ||
| 3" | 3" | 2 1/2" | 2 1/2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K92 | 00000 | 00000 | 00000 | 00000 | 000000 | 000000 | 000000 | — | ||
| 4" | 4" | 3 1/2" | 3 1/2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K93 | 00000 | 00000 | 00000 | 000000 | 000000 | 000000 | 000000 | — | ||
| 5" | 3" | 4 1/2" | 2 1/2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K35 | 00000 | 00000 | — | 000000 | — | 000000 | — | — | ||
| 5" | 5" | 4 1/2" | 4 1/2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K94 | 00000 | 00000 | — | 000000 | — | 000000 | — | — | ||
| 6" | 6" | 5 1/2" | 5 1/2" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 9017K95 | 00000 | 00000 | 000000 | 000000 | 000000 | 000000 | 000000 | — | ||
5/8" Thick Wall | |||||||||||||||||||
| 4" | 4" | 3 3/8" | 3 3/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N24 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
| 6" | 6" | 5 3/8" | 5 3/8" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N32 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
3/4" Thick Wall | |||||||||||||||||||
| 4" | 4" | 3 1/4" | 3 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N26 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
| 5" | 3 1/2" | 4 1/4" | 2 3/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N27 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
| 6" | 4" | 5 1/4" | 3 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N31 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
| 7" | 4" | 6 1/4" | 3 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N34 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
| 8" | 6" | 7 1/4" | 5 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N35 | — | 000000 | — | 000000 | — | 000000 | — | — | ||
| 8" | 8" | 7 1/4" | 7 1/4" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N36 | — | 000000 | — | 000000 | — | 000000 | — | — | ||
1" Thick Wall | |||||||||||||||||||
| 6" | 6" | 5" | 5" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N33 | — | 000000 | — | 000000 | — | 000000 | — | — | ||
| 8" | 8" | 7" | 7" | Hot Rolled | 36,000 | Not Rated | Not Rated | ASTM A36 | 6983N37 | — | 000000 | — | 000000 | — | 000000 | — | — | ||
3 mm Thick Wall | |||||||||||||||||||
| 30 mm | 30 mm | 27 mm | 27 mm | Hot Rolled | 36,000 | Not Rated | — | EN 10025-1, EN 10025-2, EN 10056-1 | 9017K61 | — | 00000 | — | 00000 | — | 000000 | — | — | ||
4 mm Thick Wall | |||||||||||||||||||
| 40 mm | 40 mm | 36 mm | 36 mm | Hot Rolled | 36,000 | Not Rated | — | EN 10025-1, EN 10025-2, EN 10056-1 | 9017K56 | — | 00000 | — | 00000 | — | 000000 | — | — | ||
5 mm Thick Wall | |||||||||||||||||||
| 50 mm | 50 mm | 45 mm | 45 mm | Hot Rolled | 36,000 | Not Rated | — | EN 10025-1, EN 10025-2, EN 10056-1 | 9017K52 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
6 mm Thick Wall | |||||||||||||||||||
| 40 mm | 40 mm | 34 mm | 34 mm | Hot Rolled | 36,000 | Not Rated | — | EN 10025-1, EN 10025-2, EN 10056-1 | 9017K57 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
| 70 mm | 70 mm | 64 mm | 64 mm | Hot Rolled | 36,000 | Not Rated | — | EN 10025-1, EN 10025-2, EN 10056-1 | 9017K54 | — | 00000 | — | 000000 | — | 000000 | — | — | ||
Corrosion-Resistant Low-Carbon Steel 90° Angles
 |
These 90° angles are galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine and form. It's widely fabricated into parts that don’t require high strength, such as frames, supports, and edge protectors.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | Corner Shape | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Ht. | Wd. | Inside | Outside | Fabrication | Yield Strength, psi | Hardness | Specs. Met | 1 ft. Long | 3 ft. Long | 6 ft. Long | 8 ft. Long | |||
1/8" Thick Wall | ||||||||||||||||
| 1/2" | 1/2" | 3/8" | 3/8" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K701 | — | 000000 | 000000 | — | ||
| 3/4" | 3/4" | 5/8" | 5/8" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K11 | — | 00000 | 00000 | — | ||
| 1" | 1" | 7/8" | 7/8" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K12 | — | 00000 | 00000 | — | ||
| 1 1/4" | 1 1/4" | 1 1/8" | 1 1/8" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K13 | — | 00000 | 00000 | — | ||
| 1 1/2" | 1 1/2" | 1 3/8" | 1 3/8" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K56 | — | 00000 | 00000 | — | ||
| 2" | 2" | 1 7/8" | 1 7/8" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K58 | 000000 | 00000 | 00000 | — | ||
3/16" Thick Wall | ||||||||||||||||
| 1" | 1" | 13/16" | 13/16" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K702 | — | 00000 | 00000 | — | ||
| 1 1/2" | 1 1/2" | 1 5/16" | 1 5/16" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K703 | — | 00000 | 00000 | — | ||
| 2" | 2" | 1 13/16" | 1 13/16" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K14 | 00000 | 00000 | 00000 | — | ||
| 3" | 2" | 2 13/16" | 1 13/16" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K705 | — | 00000 | 00000 | — | ||
| 3" | 3" | 2 13/16" | 2 13/16" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K704 | 00000 | 00000 | 00000 | — | ||
1/4" Thick Wall | ||||||||||||||||
| 1 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K61 | 00000 | 00000 | 00000 | — | ||
| 2" | 2" | 1 3/4" | 1 3/4" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K63 | 00000 | 00000 | 00000 | — | ||
| 3" | 2" | 2 3/4" | 1 3/4" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K706 | — | 00000 | 00000 | — | ||
| 3" | 3" | 2 3/4" | 2 3/4" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K64 | 00000 | 00000 | 000000 | 0000000 | ||
| 4" | 3" | 3 3/4" | 2 3/4" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K707 | — | 00000 | 00000 | — | ||
| 5" | 3" | 4 3/4" | 2 3/4" | Round | Square | Hot Rolled | 36,000 | Rockwell B70 (Medium) | ASTM A36 | 8968K708 | — | 00000 | 00000 | — | ||
