矿山机械配件
●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
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