shandong grinding steel ball

shandong grinding steel ball Shandong ShengYe grinding ball Co., Ltd, we have the capacity of manufacturing 20-200mm forged/hot rolled steel ball for ball mill, and 30-200mm grinding steel rod for rod mill, we also supply high/middle/low chrome cast balls for cement ball mill, annual output is 120,000 tons. The basic informationof our grinding steel balls are as follows: Diameter: 20mm-200mm Hardness: HRC55-HRC65 Grade: 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG Breakage rate: Less than 0.5% Falling ball times: more than 20,000s from 6m tester Annual output: 100,000 tons Forging steel grinding ball Classification and Chemical Composition Name C Mn Si S P Cr SY-01-45# 0.42-0.48 0.50-0.80 0.17-0.37…