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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.
Easy-To-Form Multipurpose 1050 Spring Steel Sheets

- Yield Strength: 38,000 psi
- Hardness: Rockwell B74
- Heat Treatable: Yes
- Maximum Hardness After Heat Treatment: Rockwell C58
- Specifications Met: ASTM A682, ASTM A684
Containing more carbon than low-carbon steel—but less than 1095 spring steel—1050 spring steel is easily formed into parts such as washers, brackets, and springs before being hardened for use. It resists stress, so it won’t snap when formed or twisted. Because it has a lower carbon content than 1095 spring steel, it’s not as wear resistant.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
| Thickness | Thickness Tolerance | Heat Treatment | Flatness Tolerance | Each | |
8" × 12" | |||||
|---|---|---|---|---|---|
| 0.025" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N11 | 000000 |
| 0.032" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N21 | 00000 |
| 0.035" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N31 | 00000 |
| 0.042" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N41 | 00000 |
| 0.05" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N51 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N61 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N71 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N81 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N91 | 00000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N111 | 00000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N114 | 000000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N117 | 000000 |
8" × 24" | |||||
| 0.025" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N12 | 00000 |
| 0.032" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N22 | 00000 |
| 0.035" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N32 | 00000 |
| 0.042" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N42 | 00000 |
| 0.05" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N52 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N62 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N72 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N82 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N92 | 000000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N112 | 000000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N115 | 000000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N118 | 000000 |
15" × 48" | |||||
| 0.025" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N13 | 00000 |
| 0.032" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N23 | 00000 |
| 0.035" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N33 | 00000 |
| 0.042" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N43 | 00000 |
| 0.05" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N53 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N63 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N73 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N83 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N93 | 000000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N113 | 000000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N116 | 000000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | Not Rated | 5582N119 | 000000 |

























