enac-AlSi12(Cu)(enac-47000)年级：enac-AlSi12(Cu)数量：enac-47000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AlSi12(Cu级的化学成分%(enac-47000)铁四锰镍铬钛铜铅镁锌锡别人-***大0。810.5-13。50.05-0.55***大0。3***大0。1***大0。2***大值1***大0。2***大0.35***大0.55***大0。1每0.05;总计0.25al-剩余部分级enac-AlSi12(Cu)的机械性能(enac-47000)rm-抗拉强度(mpa)(f)(s)150人rm-抗拉强度(mpa)(f)(k)170rp0.20.2%证明强度(mpa)(f)(s)80rp0.20.2%证明强度(mpa)(f)(k)90a-***小伸长率(%)(f)(s)1a-***小伸长率(%)(f)(k)2布氏硬度(hbw):(f)(s)50布氏硬度(hbw):(f)(k)55)