美國SAE6140合金結(jié)構(gòu)鋼的化學(xué)成分:
C碳:0.35-0.45
Si硅:0.15-0.30
Mn錳: 0.60-0.90
P磷: ≤0.040
S硫: ≤0.050
Cr鉻: 0.8-1.1
合金結(jié)構(gòu)鋼:12Mn,18Nb,10MnSiCu,12MnV,14MnNb,16Mn,15MnV,15MnTi,16MnNb,20Mn2
30Mn2,35Mn2,40Mn2,45Mn2,50Mn2,20MnV,27SiMn,35SiMn,42SiMn,40B,45B,20Mn2B,20MnMoB,40MnVB,20MnTiB,20SiMnVB,15Cr,15CrA,20Cr,
30Cr,35Cr,40Cr,45Cr,50Cr,38CrSi,12CrMo,15CrMo,20CrMo,30CrMo,30CrMoA,35CrMo,
美國:1320, 1330 ,1325, 1340, 1345, 14B35, 14B50, 5115 ,5120, 5130, 5135, 5140, 5145, 5150, 4119, 4118, 4135 4140 ,6140, 6150, 5115, 5120, 4119, 4142, 3140, 3415, 3310, 3435 ,2515 ,3316, 8620 ,4340,E3310,E3316,4347
德國:20Mn6 ,30Mn5, 36Mn5 ,46Mn7, 50Mn7, 15MnV5, 20MnV6 ,42MnV7 ,37MnSi5, 46MnSi4, 15Cr3, 20Cr4 28Cr4, 34Cr4 ,41Cr4, 13CrMo4.4 ,15CrMo5,20CrMo5,25CrMo4,34CrMo4 ,42CrMo4,
日本:SMn420,SMn433,SMn438,SMn443,SCr415,SCr420,SCr430,
SCr435,SCr440,SCr450,SCM415,SCM420,SCM435,SCM440,SCM430,SACM645,SMnC420,SMnC443,SNC236,SNC415,SNC815,SNC631,SNC836,SNCM220,SNCM439,SNCM447