轴的常用材料及其主要力学性能.docx

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25<15642025020正火10010315640022020正火,回火>100-30010315638020020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>750-1000-44022035调质10015620756030035调质>100-30015620754028045IE2524161036045正火,回火<10017021760030045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25-90075035SiMn(42SiMn)调质<10022928680052035SiMn(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10022928675060038SiMnMo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5662HRC65040020CrMnTi渗碳,淬火,回火15表面5662HRC1100850lCrl3调质601872176004202Crl3调质<100197248660450ICrIS-NigTi淬火<60192550220ICrIS-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。