Supply grinding media,grinding balls,grinding rods

The HUAMIN is an international grinding medias manufacturer serving the mining,cement,power genaration and other industrial sectors. The company comprises of three key business units–Grinding steel balls, Grinding steel rods and casting iron products. We are able to produce cast high chrome and forged grinding media in a diverse range of size, meaning we can supply customers with varying ore and mill types. Our Main Products: Forged (rolling) Balls: Sizes from Dia1” to Dia6”! Cast Chrome Balls (low, medium, high Chrome Ball) : Sizes from Dia 17mm to Dia120mm! Grinding Rods: Size: Dia30mm to Dia120mm , length : by customers’ requirement! Chromium and Rare-Earth Alloy Forging Steel Balls Chemical Composition (％) C Si Mn P S Cr HRC 0.61-0.68 0.20-0.40 0.80-1.20 ≤0.03 ≤0.03 0.90-1.20 58-6 RCAB Materials Forged Steel Balls Chemical Composition (％) C Si Mn P S Cr HRC 0.70-0.90 0.45-0.75 0.70-1.25 ≤0.03 ≤0.03 0.11-0.4 55-65 RCAB-II Materials Forged Steel Balls Chemical Composition (％) C Si Mn P S Cr HRC 0.72-0.82 0.17-0.37 0.70-0.80 ≤0.035 ≤0.035 0.28-0.60 see table below Hardness RCAB-II Materials Forged Steel Balls Hardness Diameter Surface Hardness Core Hardness 40-60MM HRC60-64 HRC59-63 70-80MM HRC60-64 HRC59-62 90-100MM HRC60-64 HRC57-61 110-140MM HRC55-60 HRC52-58 AlloyCastIronBalls ChemicalComposition Products names Chemical Composition C Si Mn Cr Mo Cu Ni P S High chrome casting iron ball 2.0-2.8 ≤1.0 0.5-2.0 22-28 0-1.0 0-2.0 0-1.5 ≤0.10 ≤0.60 High chrome casting iron ball 2.0-2.8 ≤1.0 0.5-2.0 18-22 0-2.5 0-1.2 0-1.5 ≤0.10 ≤0.60 High chrome casting iron ball 2.5-3.2 ≤1.0 0.5-2.0 10-17 0-3.0 0-1.0 0-1.5 ≤0.10 ≤0.60 Medium chrome iron ball 21.-3.2 0.5-2.25 0.5-2.0 6-10 1-1.0 0-0.8 0-1.5 ≤0.10 ≤0.60 Low chrome casting iron ball 2.2-3.6 ≤1.2 0.5-2.0 1.0-3.0 0-1.0 0-0.8 —– ≤0/10 ≤0.10 Bainite ductile chrome casting iron ball 3.2-3.8 2.0-3.5 2.0-3.0 —– —– —– —– ≤0.10 ≤0.03 Hardness Mechanical Characteristics Surface hardness Endurance impact test Quenched Unquenched High chrome casting iron ball ≤56 ≤45 ≤8000 High chrome casting iron ball ≤56 ≤45 ≤8000 High chrome casting iron ball ≤56 ≤49 ≤8000 Medium chrome casting iron ball —– ≤48 ≤8000 Low chrome casting iron ball —– ≤45 ≤8000 Bainite ductile casting iron ball ≤50 —– ≤8000