4140/1.7225/42CrMo alloy forged steel bar
4140/1.7225/42CrMo alloy steel forging: 1.Diameter :20-400mm, Length: 2000mm-5800mm; 2.Annealed to HB=229 3.Black surface
4140/1.7225/42CrMo alloy steel forging:
1.Grade
Alloy steel bar AISI 4140 / GB 42CrMo / DIN 1.7225/42CrMo4 / JIS SCM440
2.Round bar Size:
Diameter :20-600mm * Lenght: 2000mm-5800mm
3.Factory state:
Hot rolled,Pre-hardened, Annealed HB=229
4.Chemical Composition (%)(For reference Only)
| C | Si | Mn | P≤ | S≤ | Cr | Mo | Ni |
| 0.38-0.45 | 0.30 | 0.60-0.90 | 0.025 | 0.025 | 0.90-1.20 | 0.15-0.30 | ≤0.25 |
5.Application:
Mainly used for making various kinds of machinery,automobile,mining spare part.
4140/1.7225/42CrMo alloy forged steel bar
