High Chromium Cast Grinding Balls,chrome grinding ball

High Chromium Cast Grinding Balls,chrome grinding ball:Name Designation ChemicalComposition(%) PopularGradeC Si Mn Cr Mo Cu P S1.8-3.20.3-1.2≤1.210.0-13.0≤0.1≤0.1 alittle alittleZQCr10Cu Ni Nb Ti Zr VB Mgalittlealittle alittlealittle alittlealittlealittlealittleSpecialGrade ZQCr15 ZQCr17Compositionvariesunderspecificworkingconditions ZQCr20 ZQCr26 propertiesandmicrostructure: Designation HRC AK(J/c)Microstructure TimesofFallingBalls ZQCr10 58-62 ≥3 M+C ≥10000 (P.S:C-CarbideM-Martensite ) specification(mm): Φ15 Φ17 Φ20 Φ25 Φ30 Φ40 Φ50 Φ60 weightofeachball(Kg):0.02420.0282 0.0322 0.063 0.11 0.257 0.5 0.867 specification(mm):Φ70 Φ80 Φ90 Φ100Φ110 Φ120 Φ130 weightofeachball(Kg)1.37 2.05 2.9 4.0 5.3 6.88.74
High Chromium Cast Grinding Balls,chrome grinding ball