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1、轴的常用材料及其主要力学性能轴的常用材料及其主要力学性能(拖动表格平移查看完整数据表)材料牌号热处理毛坯直径mmW(HB)MPa不小于抗拉强度Ob屈服点OSQ235,Q235F-44024020正火25100-30010315638020020正火,回火300-50010315637019020正火,回火500-700103156360180352518754032035正火,回火10014918752027035正火,回火100-30014918750026035正火,回火300-50014318748024035正火,回火500-75013718746023035正火,回火750-1000
2、-44022035调质10015620756030035调质100-30015620754028045IE2524161036045正火,回火100-30016221758029045正火,回火300-50016221756028045正火,回火500-75015621754027045调质20021725565036040Cr调质25-10008004OCr调质1002412867505504OCr调质100-3002292697005004OCr调质300-5002292696504504OCr调质500-80021725560035035SiMn(42SiMn)调质25-90075035
3、SiMn(42SiMn)调质100-30021726975045035SiMn(42SiMn)调质300-40021725570040035SiMn(42SiMn)调质400-50019625565038040MnB调质25-100080040MnB调质2002412867505004OCrNi调质25-100080035CrMo调质25-100085035CrMo调质100-75055035CrMo调质100-30020726970050035CrMo调质300-50020726965045035CrMo调质500-80020726960040038SiMnMo调质1002292867506
4、0038SiMnMo调质100-30021726970055038SiMnMo调质300-50019624165050038SiMnMo调质500-80018724160040037SiMn-2MoV调质25-100085037SiMn-2MoV调质20026930288070037SiMn-2MoV调质200-40024128683065037SiMn-2MoV调质400-60024126978060038Cr-MoAIA调质30229100085020Cr渗碳淬火,回火15表面5662HRC8505502OCr渗碳淬火,回火30表面5662HRC65040020Cr渗碳,淬火,回火60表面
5、5662HRC65040020CrMnTi渗碳,淬火,回火15表面5662HRC1100850lCrl3调质601872176004202Crl3调质100197248660450ICrIS-NigTi淬火60-180192540200ICrIS-NigTi淬火100-200192500200QT400-15-156197400300QT450-10-170207450330QT500-7-187255500380QT600-3-197269600420注:1.表中所列疲劳极限数值,均按下式计算。-lO.27(0b+oS),-l0.156(b+s)2.其他性能,一般可取sH(0.550.62)os,o1.4-l,o1.5-lo3.球墨铸铁。-l0.36ob,-l0.31bo4 .许用静应力bnb,许用疲劳应力T=o-ln-l.5 .选用-l值时,重要零件取较小值,一般零件取较大值。