〔23〕机械构造用铬钼钢 | |||||||||||
(Chromium Molybdenum Steels for Machine Structural use) | |||||||||||
标准代号 | 规格号码 | 记号 | 化学成分(%)Chemical composition | ||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Cu | |||
CNS | 3229 | SCM415 | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
GB | 3077 | 15CrMo | 0.12-0.18 | 0.17-0.37 | 0.4-0.7 | ≦0.035 | ≦0.035 | ≦0.3 | 0.8-1.1 | 0.4-0.55 | ≦0.3 |
JIS | G4105 | SCM415 | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
DIN | 17200 | 15CrMo5 | 0.13-0.17 | 0.15-0.35 | 0.5-1.1 | ≦0.035 | ≦0.035 | - | 1.0-1.2 | 0.2-0.3 | - |
CNS | 3229 | SCM418 | 0.16-0.21 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
JIS | G4105 | SCM418 | 0.16-0.21 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
DIN | 17200 | 16CrMo4 | 0.13-0.20 | 0.15-0.35 | 0.5-0.8 | ≦0.035 | ≦0.04 | 0.2-0.3 | 0.9-1.2 | - | - |
CNS | 3229 | SCM420 | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
GB | 3077 | 20CrMo | 0.17-0.24 | 0.17-0.37 | 0.4-0.7 | ≦0.035 | ≦0.035 | - | 0.8-1.1 | 0.15-0.25 | - |
JIS | G4105 | SCM420 | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
AISI | - | 4118 | 0.18-0.23 | 0.15-0.35 | 0.7-0.9 | ≦0.035 | ≦0.04 | - | 0.1-0.6 | 0.08-0.15 | - |
DIN | 17200 | 25CrMo4 | 0.22-0.29 | 0.15-0.40 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
CNS | 3229 | SCM421 | 0.17-0.23 | 0.15-0.35 | 0.7-1.0 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
JIS | G4105 | SCM421 | 0.17-0.23 | 0.15-0.35 | 0.7-1.0 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
DIN | 17200 | 20CrMo5 | 0.18-0.23 | 0.15-0.35 | 0.9-1.2 | ≦0.035 | ≦0.035 | - | 1.1-1.4 | 0.2-0.3 | - |
CNS | 3229 | SCM430 | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
GB | 3077 | 30CrMo | 0.26-0.34 | 0.17-0.37 | 0.4-0.7 | ≦0.035 | ≦0.035 | - | 0.8-1.1 | 0.15-0.25 | - |
JIS | G4105 | SCM430 | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
AISI | - | 4130 | 0.28-0.33 | 0.15-0.30 | 0.4-0.6 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | 0.15-0.25 | - |
DIN | 17200 | 30CrMo4 | 0.30-0.37 | 0.15-0.40 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
CNS | 3229 | SCM432 | 0.27-0.37 | 0.15-0.35 | 0.3-0.6 | ≦0.03 | ≦0.03 | - | 1.0-1.5 | 0.15-0.30 | - |
JIS | G4105 | SCM432 | 0.27-0.37 | 0.15-0.35 | 0.3-0.6 | ≦0.03 | ≦0.03 | - | 1.0-1.5 | 0.15-0.30 | - |
DIN | 17200 | 34CrMo4 | 0.30-0.37 | 0.15-0.30 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
CNS | 3229 | SCM435 | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | - | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
GB | 3077 | 35CrMo | 0.32-0.4 | 0.17-0.37 | 0.4-0.7 | ≦0.035 | ≦0.035 | - | 0.8-1.1 | 0.15-0.25 | ≦0.3 |
GB | 3077 | 35CrMoV | 0.3-0.38 | 0.17-0.37 | 0.4-0.7 | ≦0.035 | ≦0.035 | - | 1.0-1.3 | 0.2-0.3 | ≦0.3 |
JIS | G4105 | SCM435 | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | - | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
AISI | - | 4135 | 0.32-0.39 | 0.15-0.30 | 0.65-0.95 | ≦0.035 | ≦0.04 | - | 0.80-1.15 | 0.15-0.25 | - |
AISI | - | 4137 | 0.35-0.40 | 0.15-0.30 | 0.7-0.9 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | 0.15-0.25 | - |
DIN | 17200 | 34CrMo4 | 0.30-0.37 | 0.15-0.30 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
DIN | 17200 | 34CrMoS4 | 0.30-0.37 | 0.15-0.30 | 0.5-0.8 | ≦0.035 | 0.020-0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
CNS | 3229 | SCM440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
GB | 3077 | 42CrMoA | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.25 | - |
JIS | G4105 | SCM440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
AISI | - | 4140 | 0.38-0.43 | 0.15-0.30 | 0.75-1.00 | ≦0.035 | ≦0.035 | - | 0.8-1.1 | 0.15-0.25 | - |
AISI | - | 4142 | 0.40-0.45 | 0.15-0.30 | 0.75-1.00 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | 0.15-0.25 | - |
DIN | 17200 | 42CrMo4 | 0.38-0.45 | 0.15-0.40 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
DIN | 17200 | 42CrMoS4 | 0.38-0.45 | 0.15-0.40 | 0.5-0.8 | 0.020-0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.30 | - |
CNS | 3229 | SCM445 | 0.43-0.48 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
JIS | G4105 | SCM445 | 0.43-0.48 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.15-0.30 | ≦0.3 |
AISI | - | 4145 | 0.43-0.48 | 0.15-0.30 | 0.75-1.00 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | 0.15-0.35 | - |
AISI | - | 4147 | 0.45-0.50 | 0.15-0.30 | 0.75-1.00 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | 0.15-0.25 | - |
DIN | 17200 | 50CrMo4 | 0.45-0.54 | 0.15-0.40 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.25 | - |
CNS | 3229 | SCM822 | 0.20-0.25 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.30-0.45 | ≦0.3 |
JIS | G4105 | SCM822 | 0.20-0.25 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | 0.30-0.45 | ≦0.3 |
DIN | 17200 | 50CrMo4 | 0.45-0.54 | 0.15-0.40 | 0.5-0.8 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | 0.15-0.25 | - |