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About Steel
Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Low-Carbon Steel 90° Angles

- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: See Table
- Max. Hardness After Heat Treatment: Not Rated
- Fabrication: Hot Rolled
- Specifications Met: See Table
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. These 90° angles meet either ASTM A36 or EN 10025-2 standards for performance and quality.
Outside | Inside | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Ht. | Wd. | Heat Treatable | Specifications Met | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
3mm Wall Thick. | |||||||||
| 30mm | 30mm | 27mm | 27mm | No | EN 10025-2 | 9017K61 | |||
4mm Wall Thick. | |||||||||
| 40mm | 40mm | 36mm | 36mm | No | EN 10025-2 | 9017K56 | |||
5mm Wall Thick. | |||||||||
| 50mm | 50mm | 45mm | 45mm | No | EN 10025-2 | 9017K52 | |||
6mm Wall Thick. | |||||||||
| 40mm | 40mm | 34mm | 34mm | No | EN 10025-2 | 9017K57 | |||
| 70mm | 70mm | 64mm | 64mm | No | EN 10025-2 | 9017K54 | |||

























