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Contact Supplier| Standard | AISI / SAE 4130 |
| UNS | - |
| WERKSTOFF NR. | 25CrMo4, GS-25CrMo4 |
| BS 970 | 708A30, CDS110 |
| UNI | 25CrMo4 (KB), 30CrMo4 |
| JIS | SCM 420, SCM 430, SCCrM1 |
| EN name | - |
| EN # | 1.7218 |
| Grade | C | Si | Mn | Cr | Mo | P | S |
| AISI 4130 | 0.28-0.33 | 0.15-0.35 | 0.4-0.8 | 0.8-1.1 | 0.15-0.25 | 0.035 | 0.04 |
| Grade | Delivery State | T.S. N/mm2 Min | Y.S. N/mm2 Min | A,% Min | Z,% Min | Hardness, (annealing or tempering) HB,max | Forging ratio | Grain Size (level) | Nonmetal ratio |
| AISI 4130 | Hot rolled, forged, or heat treatment | 930 | 735 | 12 | 50 | 229 | ≥ 4:1 | ≥ 6 | ≤ 2.0 |