20CrMo合金结构钢
●特性及适用范围: 淬透性较高,无回火脆性,焊接性相当好,形成冷裂的倾向很小,可切削性及冷应变塑性良好。一般在调质或渗碳淬火状态下使用,用于制造在非腐蚀性介质及工作温度低于 250℃、含有氮氢混合物的介质中工作的高压管及各种紧固件、较的渗碳零件,如齿轮、轴等。
合金结构钢:国产:12Mn,18Nb,10MnSiCu,12MnV,14MnNb,16Mn,15MnV,15MnTi,16MnNb,20Mn2
30Mn2,35Mn2,40Mn2,45Mn2,50Mn2,20MnV,45MnB,20Mn2B,20MnMoB,15MnVB,20MnVB,40MnVB,20MnTiB,20SiMnVB,15Cr,15CrA,20Cr,30Cr,35Cr,
40Cr,45Cr,50Cr,38CrSi,12CrMo,15CrMo,20CrMo,30CrMo,30CrMoA,
35CrMo,42CrMo,12CrMoV,35CrMoV,12Cr1MoV,38CrMoAl,
20CrV,40CrV,40CrMn,20CrMnSi,25CrMnSi,Q345,Q295,Q390,Q420
美国:1320, 1330 ,1325, 1340, 1345, 14B35, 14B50, 5115 ,5120, 5130, 5135, 5140, 5145, 5150, 4119, 4118, 4135 4140 ,6140,
德国:20Mn6 ,30Mn5, 36Mn5 ,46Mn7, 50Mn7, 15MnV5, 20MnV6 ,42MnV7 ,37MnSi5, 46MnSi4, 15Cr3, 20Cr4 28Cr4, 34Cr4 ,41Cr4, 13CrMo4.4 ,15CrMo5,
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,