●化学成份:
碳 c :3.70~4.00%
硅 si:2.15~2.93%
锰 mn:0.46~0.66%
硫 s :0.010~0.016%
磷 p :0.027~0.035%
镁 mg:0.027~0.050%
稀土re:0.0260.043%
碳当量:4.3~4.6
山东开泰耐磨件精铸有限公司业务部1
免费会员