锰铁75#中碳 锰Mn:75.23% 碳C:1.96% 硅Si:1.08%
磷P:0.28% 硫S:0.03%
锰铁75#高碳 锰Mn:75.96%碳C:6.78% 硅Si:0.56%
磷P:0.17% 硫S:0.0067%
锰铁65#高碳 锰Mn:65% 碳C:7.00% 硅Si:0.65%
磷P:0.39%硫S:0.03%