en-mammn1(en-ma40010)年级：en-mammn1数量：en-ma40010分类：镁合金阳极铸件标准：en12438:1998镁和镁合金。铸造阳极用镁合金en-mamgmn1级化学成分%(en-ma40010)铁四锰镍铝铜锌别人-***大0.03***大0.050.5-1。3***大0.002***大0.01***大0.02***大0.05每0.05;镁-余数;as+sb+pb+cr+ni<0.1;cd+hhg+se<0.01en-mamgal6zn3(en-ma11550))