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Middle Chromium Mini Balls,Chromium Grinding Balls: Chemicalcomposition(%) C Si Mn Cr S·P Mo,Al,Cu,Ni,Nb,Ti,Zr,V,B,Mg 2.0-3.2 ≤1.2 0.5-1.5 2.0-7.0≤0.15 alittle propertiesandmicrostructure Microstructure AK(J/c) HRC P(Fine)+C ≥2.5 ≥40mm,theHRC45-52;≤30mm,HRC≥42 (P.S:PFine-FinePearliteC-Carbide) specification(mm)ofMiddleChromiumMini_Balls: Φ10 Φ12 Φ15 Φ17 Φ20 Φ25 Φ30 Φ40 Φ50 Φ60 Φ70 Φ80 Φ90 Φ100 Φ110 Φ120 Φ130 specification(mm)ofMiddleChromiumCastingBars: Φ8×8 Φ10×10 Φ10×12 Φ12×12 Φ12×14 Φ14×14 Φ14×16 Φ16×16 Φ16×18 Φ18×18 Φ18×20 Φ20×20 Φ20×25 Φ25×30 Φ30×35 Φ35×40
Middle Chromium Mini Balls, Chromium Grinding Balls
