20CrMoA合金结构钢,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、较高级的渗碳零件,如齿轮、轴等。 20CrMoA化学成分:碳 C :0.17~0.24 硅 Si:0.17~0.37 锰 Mn:0.40~0.70 硫 S :允许残余含量≤0.035 磷 P :允许残余含量≤0.035 铬 Cr:0.80~1.10 镍 Ni:允许残余含量≤0.030 铜 Cu:允许残余含量≤0.030 钼 Mo:0.15~0.25 上海荔荣现货供应20CrMoH圆钢 46MnVS5圆钢 SMn443H圆钢 45MnMoB圆钢 34CrAlMo5圆钢 15NiCr3圆钢 13NiCr12圆钢 20Mn圆钢 SA210C圆钢 SA210A1圆钢 B7圆钢 25MnV圆钢 SCr22圆钢 A105圆钢 37CrMnMoA圆钢 28MnCrMo圆钢 8Cr2MnWMoVS圆钢 AISI4140圆钢 32CrMo12圆钢 SCM420圆钢 40NiCr6圆钢 ZF6圆钢 36CrNiMo4圆钢 SAE8640圆钢 SNC415圆钢 20NiCr6圆钢 S45CVS圆钢 15CrMo圆钢 P91圆钢 42CrMoS4圆钢 9Cr2MoV圆钢 37CrS4HL圆钢 36CrNiMo16圆钢 38B3圆钢 25Cr2Ni4WA圆钢 16MnAL圆钢 SCM3圆钢 40CrV圆钢 SNC236圆钢 SAE4140H圆钢 SCM420H圆钢 27MnCr5圆钢 40B圆钢 40Mn5圆钢 20CrNiMo1V圆钢 SMn420圆钢 38MnSi4圆钢20CrMnTi圆钢 20Cr4圆钢 20CrMoM圆钢 09MnNb圆钢 09MnV圆钢 38MnNS5圆钢 42CrMoH圆钢 42CrMoA圆钢 40CrMoMn圆钢 42CrMo圆钢 SAE1045B圆钢 20CrV圆钢 SCM435圆钢 20CrNiMoA圆钢 42CrMoA圆钢 16CrNi4圆钢AISI4130圆钢F45MnVS圆钢 17MnV6圆钢 32MnSiVS5圆钢 09Mn2圆钢 SAE4137M圆钢 SAE1070M圆钢 SCr420H圆钢 14MnNb圆钢13Mn6圆钢09MnNb圆钢 YF45Mn圆钢 40MnBH2圆钢 SCr21圆钢 40MnB4圆钢 50B50圆钢 20MnV6圆钢 09MnD圆钢 50B圆钢 40CrNi2MoA圆钢 15MnVB圆钢 17CrNiMo6圆钢 20Mn2圆钢 35Mn2圆钢 20CrNi3A圆钢 37CrNi3MoV圆钢 20Cr3MoWV圆钢 38MnB5圆钢 16MnCr5H圆钢 21CrVMoW12圆钢 SMnC443圆钢 SAE8620H圆钢 20MnCrS5圆钢 AISI8740H圆钢 SAE5120圆钢 AISI5120圆钢 25CrMnSi圆钢 SAE8620圆钢 30Mn2MoW圆钢