Basic Info.

Product Description

As manufacturers of grinding balls in china, we would like to enter into a long time and friendly business relationship with your company ,please allow me to take this opportunity to give you a brief introduction for our company: we had obtained the certificate of iso9001-2000. we mainly produce the following kinds of grinding balls, 1.forged steel balls size: 20mm-150mm hardness:hrc55-65 chemical elements: c: 0.52-0.65; si: 0.15-0.37; mn: 0.6-1.2; s & p: 0.035max; cr: 0.25max. 2.forged steel balls (rcab-2) size: 40mm-150mm hardness:hrc58-65 chemical elements:c:0.72-0.82,si:0.17-0.37,mn:0.70-0.80, p/s:0.035max,cr:0.28-0.60 3.high chrome cast balls size: 20mm-120mm hardness:hrc58-65; chemical content:cr:11-14%, c:2.5-3.2,si1.0mn:0.5-1.5,mo:0-3.0,cu:0-1.0,ni:0-1.5, p0.10,s0.06 4.low chrome cast balls size: 20mm-120mm hardness:hrc45-55; chemical content:cr:1.5-3.0%, c:2.2-3.6,si1.2,mn:0.5-1.5,mo:0-1.0,cu:0-0.8,p0.10, s0.10 we would like to establish a long-term and friendly trade relati