〔21〕机械构造用铬钢 | ||||||||||
(Chromium 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 | Cu | |||
CNS | 3231 | SCr415 | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.3 |
GB | 3077 | 15Cr | 0.12-0.18 | 0.17-0.37 | 0.40-0.70 | ≦0.035 | ≦0.035 | ≦0.30 | 0.7-1.0 | ≦0.3 |
JIS | G4104 | SCr415 | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.3 |
DIN | 17210 | 15Cr3 | 0.12-0.18 | 0.15-0.40 | 0.40-0.60 | ≦0.035 | ≦0.035 | - | 0.4-0.7 | - |
CNS | 3231 | SCr420 | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.3 |
GB | 3077 | 20Cr | 0.18-0.24 | 0.17-0.37 | 0.40-0.70 | ≦0.035 | ≦0.035 | ≦0.30 | 0.7-1.0 | ≦0.3 |
JIS | G4104 | SCr420 | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.3 |
AISI | - | 5120 | 0.28-0.33 | 0.15-0.35 | 0.70-0.90 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | - |
CNS | 3231 | SCr430 | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.3 |
GB | 3077 | 30Cr | 0.27-0.34 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | 0.8-1.1 | ≦0.3 |
JIS | G4104 | SCr430 | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.3 |
AISI | - | 5130 | 0.28-0.33 | 0.15-0.30 | 0.70-0.90 | ≦0.035 | ≦0.04 | - | 0.8-1.1 | - |
AISI | - | 5132 | 0.30-0.35 | 0.15-0.30 | 0.60-0.80 | ≦0.035 | ≦0.04 | - | 0.75-1.00 | - |
DIN | 17200 | 34Cr4 | 0.30-0.37 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | ≦0.035 | - | 0.90-1.2 | - |
CNS | 3231 | SCr435 | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.90-1.2 | ≦0.35 |
GB | 3077 | 35Cr | 0.32-0.39 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | 0.89-1.10 | ≦0.3 |
JIS | G4104 | SCr435 | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.90-1.2 | ≦0.35 |
AISI | - | 5135 | 0.33-0.38 | 0.15-0.30 | 0.60-0.80 | ≦0.035 | ≦0.04 | - | 0.80-1.05 | - |
DIN | 17200 | 37Cr4 | 0.34-0.41 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | - |
CNS | 3231 | SCr440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.04 | ≦0.25 | 0.9-1.2 | ≦0.3 |
GB | 3077 | 40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | 0.8-1.1 | ≦0.3 |
JIS | G4104 | SCr440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.04 | ≦0.25 | 0.9-1.2 | ≦0.3 |
AISI | - | 5140 | 0.38-0.43 | 0.15-0.30 | 0.70-0.90 | ≦0.035 | ≦0.04 | - | 0.7-0.9 | - |
AISI | - | 2245 | 0.38-0.45 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | 0.02-0.04 | - | 0.9-1.2 | - |
DIN | 17200 | 41Cr4 | 0.37-0.45 | 0.15-0.40 | 0.50-0.80 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | - |
DIN | 17210 | 41CrS4 | 0.38-0.45 | 0.15-0.40 | 0.50-0.80 | ≦0.035 | ≦0.035 | - | 0.9-1.2 | - |
CNS | 3231 | SCr445 | 0.43-0.48 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.25 |
GB | 3077 | 45Cr | 0.42-0.49 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | 0.80-1.10 | ≦0.3 |
JIS | G4104 | SCr445 | 0.43-0.48 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | ≦0.25 | 0.9-1.2 | ≦0.25 |
AISI | - | 5147 | 0.46-0.51 | 0.15-0.35 | 0.70-0.95 | ≦0.035 | ≦0.04 | - | 0.85-1.15 | - |
GB | 3077 | 50Cr | 0.47-0.54 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.30 | ≦0.30 |