Specification :

Casting steel ball:
1.Standard ball sizes and hardness are as follows: 25mm-----130mm
2. Low Chrome cast iron balls
Chemical Elements ( % ) : C: 2.2~ 3.0 Mn: 0.50-1.50; Cr: 1.5-3.0; Si: 1.2Max; P: 0.08 Max, S: 0.06 Max;
3. Middle chrome cast iron balls
Chemical Elements ( % ) : C: 2.1~ 3.20 Mn: 0.50-1.50; Cr: 5.0-10.0; Si: 1.2 Max; P: 0.08 Max, S: 0.06Max;
4. High chrome cast iron balls
( Chrom content could be done with customer’ s requirement)
Chemical Elements ( % ) : C: 2.20~ 3.20 Mn: 0.50-2.50; Cr: 11-14; Si: 1.0Max; P: 0.08Max, S: 0.06Max;