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合金结构钢
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合金结构钢 | ||||
国标GB | 美标ASTM | 日标JIS | 欧标EN | |
15Cr,15CrA | 5115 | SCr415 | 17Cr3 | 1.7016 |
20Cr,20CrA | 5120 | SCr420 | 17Cr3 | 1.7016 |
30Cr,30CrA | 5130 | SCr430 | 28Cr4 | 1.7030 |
35Cr，35CrA | 5135 | SCr435 | 34Cr4 | 1.7033 |
40Cr,40CrA | 5140 | SCr440 | 41Cr4 | 1.7035 |
45Cr,45CrA | 5145 | SCr445 | - | - |
50Cr,50CrA | 5150 | - | - | - |
12CrMo,12CrMoA | - | - | 13CrMo4-5 | 1.7335 |
15CrMo,15CrMoA | - | SCM415,SCM21 | 18CrMo4 | 1.7243 |
20CrMo,20CrMoA | 4118 | SCM420,SCM22 | 18CrMo4 | 1.7243 |
30CrMo,30CrMoA | 4130 | SCM430 | 25CrMo4 | 1.7218 |
35CrMo,35CrMoA | 4135 | SCM435,SCM3 | 34CrMo4 | 1.7220 |
42CrMo,42CrMoA | 4140,4142 | SCM440,SCM4 | 42CrMo4 | 1.7225 |
35CrMoV,35CrMoVA | - | - | - | - |
38CrMoAl,38CrMoAlA | A级,7140 | SACM645,SACM1 | 41CrAlMo7-10 | 1.8509,1.8507 |
40CrV,40CrVA | 6140 | - | - | - |
50CrV,50CrVA | 6150 | SUP10 | 51CrV4 | 1.8159 |
15CrMn,15CrMnA | 5115 | SMnC420 | 16MnCr5 | 1.7131 |
20CrMn,20CrMnA | 5120 | SMnC420 | 20MnCr5 | 1.7147 |
40CrMn,40CrMnA | 5140 | - | 41Cr4 | 1.7035 |
20CrMnMo,20CrMnMoA | 4121 | SCM421 | - | - |
40CrMnMo,40CrMnMoA | 4140 | SCM440 | 42CrMo4 | 1.7225 |
20CrMnTi,20CrMnTiA | - | - | - | - |
20CiNi,20CiNiA | 4720 | - | 18NiCr5-4 | 1.5810 |
40CrNi,40CrNiA | 3140 | SNC236 | - | - |
45CrNi,45CrNiA | 3145 | - | - | - |
50CrNi,50CrNiA | 3150 | - | - | - |
12CrNi2,12CrNi2A | 3125 | SNC415 | 10NiCr5-4 | 1.5805 |
12CrNi3,12CrNi3A | 3415 | SNC815 | 15NiCr13 | 1.5752 |
20CrNi3,20CrNi3A | 3415 | - | 15NiCr13 | 1.5752 |
30CrNi3,30CrNi3A | 3435 | SNC631 | - | - |
37CrNi3,37CrNi3A | 3335 | SNC836 | - | - |
12Cr2Ni4,12Cr2Ni4A | 3312 | - | - | - |
20Cr2Ni4,20Cr2Ni4A | 3316 | SNC815 | 15NiCr13 | 1.5752 |
20CrNiMo,20CrNiMoA | 8620 | SNCM220 | 20NiCrMo2-2 | 1.6523 |
40CrNiMo,40CrNiMoA | 4340,E4340 | SNCM439,SNCM8 | 41CrNiMo4 | 1.6563 |
45CrNiMoV,45CrNiMoVA | B24V | SNCM439,SNCM447 | 39NiCrMo3 | 1.6510 |
20CrNi2MoH,20CrNi2MoAH | 4320H | SNCM420H | 20NiCrMoS6-2 | 1.6571 |
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