en-mbgre3zn2zr(en-mb65120)年级：en-mbgre3zn2zr数量：en-mb65120分类：镁合金锭标准：en1753:1997镁和镁合金。镁合金锭和铸件en-mbmre3zn2zr级化学成分%(en-mb65120)铁四锰镍铜锆re锌别人-***大0.01***大0.01***大0.15***大0.005***大0.030.1-12.4-42月3日总计0.01镁-剩余部分)