SCM425钢板
SCM425渗碳钢圆棒-SCM425轴承钢价格-SCM425合金钢圆钢
SCM425渗碳钢厂家-SCM425合金钢批发-SCM425合金钢牌号
佳洲金属XXSSCM425合金钢规格及各种X质合金钢板/棒, 欢迎新老客户来电洽谈订购!
SCM425合金结构钢
执行标准:JISG4053-2008
概述特性
有很高的静力强度、冲击韧性及较高的疲劳极限,淬透性较40Cr高,高温下有高的蠕变强度与持久强度,长期工作温度可达500℃;冷变形时塑性中等,焊接性差。
SCM425用途
用作在高负荷下工作的重要结构件,如车辆和发动机的传动件;汽轮发电机的转子、主轴、重载荷的传动轴,大断面零件。
SCM425物理性能
SCM425化学成分
碳C:0.33~0.38
硅Si:0.15~0.35
锰Mn:0.60~0.90
硫S:允许残余含量≤0.030
磷P:允许残余含量≤0.030
铬Cr:0.90~1.20
镍Ni:允许残余含量≤0.25
铜Cu:允许残余含量≤0.30
钼Mo:0.15~0.30
20Cr,5120,SCr420,35Cr,SCr435,37Cr4,5135,40Cr,SCr440,41Cr4,5140,15CrMo,SCM415,13CrMo4-5,20CrMo,SCM418,18CrMo4,25CrMo4,20CrMnMo,20MnCr5,4320H,4118H,8520H,20CrNiMo,805M20,20NCD2,8720,20CrNiMo2,1.6523,70M40,EN41B,B5F4K2,EN-19C,35CrMo,SCM435,4137,34CrMo4,1.7220,35CrMoV,31CrMoV9,42CrMo,SCM440,SCM420,SCM421 ,SCM425,SCM430,8620,SCM432,SCM445,SCM822,SCM445,4170,42CrMo4,1.7225,4140,40CrMnMo,42CrMoA,38CrMoAL,SACM645,34CrALMo5,41CrALMo7,1.8509,20CrMnTi,40CrNIMoA,SNCM432,4340,36CrNiMo4,1.6511,40CrH,4130,16Mn,T10,30CrMo,SCM430,16MnCr5,16MnCr5H,SMnC420,5120H,17CrNiMo6,34CrNiMo6,18CrNiMo7-6,50CrVA,SUP10,SUP9,6150,51CrV4,1.8759,60Si2Mn,65Mn,1065,1050,1070,9260,61SiCr7,1.7108,60Si2MnA,50CrV4,SK3,SK4,SK5,SK7,SUJ2,GCr15,52100,100Cr6,9Cr18MoV,SUS440C,GCr15SiMo,GCr15SiMn,SNCM420,SNCM220,S44004,X108CrMo17,SMn420,SMn433,SMn438,SMn443,SCr415,SCr420 ,SCr430 ,SCr440 ,SCr445 ,SNC236,SNC415,SNC631,SNC815,SNC836,SNCM415,SNCM431,SNCM21,SNCM420,SNCM220,SNCM439,SNCM447,SNCM616,SNCM625,SNCM630,SNCM815,SACM645
SCM420合金钢硬度SCM420热处理性能