Grinding Rod
Hebei Goldpro New Materials Technology Co., Ltd
Size: 20mm -150mm Hardness: HRC58-65; chemical elements:C: 0.50-0.56; Si: 0.15-0.36; Mn: 0.5-1.7; S & P: 0.036Max; Cr: 0.25Max.
Size: 20mm -150mm Hardness: HRC58-65; chemical elements:C: 0.50-0.56; Si: 0.15-0.36; Mn: 0.5-1.7; S & P: 0.036Max; Cr: 0.25Max.