enac-alsi8cu3(enac-46200)年级：enac-alsi8cu3数量：enac-46200分类：铸造用铝合金标准：en1706:2010铝和铝合金。铸件。化学成分和机械性能等级enac-alsi8cu3(enac-46200)的化学成分%铁四锰镍钛铜铅镁锌锡别人-***大0。87.5-9。50.15-0.65***大0.35***大0.252-3。5***大0.250.05-0.55***大1。2***大0.15每0.05;总计0.25al-剩余部分等级enac-alsi8cu3(enac-46200)的机械性能rm-抗拉强度(mpa)(f)(s)150rm-抗拉强度(mpa)(f)(k)170rm-抗拉强度(mpa)(f)(d)240rp0.20.2%证明强度(mpa)(f)(s)90rp0.20.2%证明强度(mpa)(f)(k)100rp0.20.2%证明强度(mpa)(f)(d)140a-***小伸长率(%)(f)(s)1a-***小伸长率(%)(f)(k)1a-***小伸长率(%)(f)(d)1布氏硬度(hbw):(f)(s)60布氏硬度(hbw):(f)(k)75布氏硬度(hbw):(f)(d)80)