enac-alsi6cu4(enac-45000)年级：enac-alsi6cu4数量：enac-45000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-alsi6cu4(enac-45000)的化学成分%铁四锰镍铬钛铜铅镁锌别人-***大值15月7日0.2-0.65***大0.45***大0.15***大0.253月5日***大0。3***大0.55***大2每0.05;总计0.35al-剩余部分enac-alsi6cu4级的机械性能(enac-45000)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)90rp0.20.2%证明强度(mpa)(f)(k)100元a-***小伸长率(%)(f)(s)1a-***小伸长率(%)(f)(k)1布氏硬度(hbw):(f)(s)60布氏硬度(hbw):(f)(k)75)