F11材质的化学成分如下: 碳(C):0.05~0.15% 硅(Si):0.50~1.00% 锰(Mn):0.30~0.60% 磷(P):≤0.03% 硫(S):≤0.03% 铬(Cr):1.00~1.50% 钼(Mo...