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,Fe-CFe3CLL+(3)(Cu-NiNi),Cu-NiCu)100-2002Pb-Sn(1)LSnPbPbSnLL+L++AEBACEDBABPbSn:CFDGSnPbPbSnCED183ECDLE?(C+D)1.FeFe3C2.-FeFFe7270.0218%0.0008%(2)-FeA11482.11%(3)(Fe3C)6.69%Fe3CCmFe3C(b35MPa)-FeFe3C:PSECF:ECFPSKESGS::1148727+;1(1)Ac320~306002Ac120~30500~6003AC1500~650500~550500~6004100200(10h15h)1Ac3Accm30~50VTiNbAC3+100~150Ac3Ac1AccmVk1Ac330~50Ac341(50%M+50%P)2JdHRC(3)VKVKVKCCVKCCo,(1/2-1/3),Ac113125058~64HRC2350-500T35~50HRC3500Fe3C4512503502503502500650CrNiSiMn6006001(1);(2)0.4-0.5%C(3)200+MS()F+S()123412310.1%0.25%0.85%1.05%20.1%~0.25%2020Cr20CrMnTi3P+Fe3C;F+P+58~64HRCAc1+30-50+M++A),,M+F21500~56020~50(NH3)4502NH33H2+2[N]265HRC72HRC5606000.3-0.6mm38CrMoAl0.4-0.6mm60h1a.C2.11%~6.69%2.50%~4.00%1F+P2Fe-CFe-Fe3CFe3C3Fe3C41--75%Si-Fe12.72660.43GB3190-82LF+LY+LC+LD+4Al-SiZL1+Al-CuZL2+Al-MgZL3+Al-ZnZL4+12ZnH80H70H68,H59H623Cu-SnQ++QSn4-34%Sn3%Zn)QSn4-3QSn6.5-0.4ZCuSn10Pb1()babbittalloy11502ZChPbSb16Sn16Cu2