... :Surface HRC ≥45,B):Chemical CompositionHigh Cr Cylpebs: C:1.73.0 , Si:0.31.2, Mn ... P:≤0.1, S≤0.1Low Cr Cylbebs: C:2.03.0, Si:0.71.2, Mn:0 ... Introduction to enterprise Handan Chaoyuan Wear-Resistant Material Co.,Ltd was one of the biggest base of wear ... Shanxi ,Neimeng, Henan. Handan Chaoyuan Wear-Resistant Material Co.,Ltd has five departments,including production technology division,finance department ...