Chemical composition
Applications
Nickel Chromium Molybdenum Steels for Machine Structural use
Country Code:
GB
Standard
3077
Steel Type
40CrNiMoA
Heat treatment
Heat Treatment of steel grade 40CrMnNiMo8-6-4①
Heat treated : 1287°C - 1296°C
Relate Steel Type
| Inquiry |
Steel Type |
Standard |
Country Code |
C(%) |
Si(%) |
Mn(%) |
P(%) |
S(%) |
Cr(%) |
| | | | | | | ≦0.03 | ≦0.03 | 0.6-1.0 |
| SNCM439 | 3271 | CNS | 0.36-0.43 | 0.15-0.35 | 0.6-0.9 | ≦0.03 | ≦0.03 | 0.6-1.0 |
| 40CrNiMoA | 3077 | GB | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | ≦0.03 | ≦0.03 | 0.6-1.0 |
| 45CrNiMoVA | 3077 | GB | 0.42-0.49 | 0.17-0.37 | 0.5-0.8 | ≦0.03 | ≦0.03 | 0.6-1.0 |
| SNCM439 | G4103 | JIS | 0.36-0.43 | 0.15-0.35 | 0.6-0.9 | ≦0.03 | ≦0.03 | 0.6-1.0 |
| 4340 | - | AISI | 0.38-0.43 | 0.15-0.35 | 0.6-0.9 | ≦0.03 | ≦0.03 | 0.6-1.0 |
| 9840 | - | AISI | 0.38-0.43 | 0.20-0.35 | 0.7-0.9 | ≦0.03 | ≦0.03 | 0.6-1.0 |
