Our products including C,Si,Mn,P,S,V,Ti,Cr many kinds elements. Wear Resistant Cast Iron Iron BallIron ball size and weight: direct 60mm 0.8kg direct 80mm 2.0kg direct 100mm 4.0kg direct 120mm 7.5kg direct 127mm 8.5kgIron ball performance: Hard of serface (hrc)Ductility (J/cm)2Broken( %)Fall ball times≥45≥5<1≥8000Iron ball Chemical Composition CSiMnPSVTiCr2.2-2.8≤1≤10.0620.0560.1-0.150.1-0.15≥0.6 ...