耐研磨锻造钢球

'1.Forged steel balls

Size: 20mm-150mm

Hardness:HRC55-65

Chemical elements:

C: 0.62-0.70; Si: 0.17-0.37; Mn: 0.9-1.2;; S & P: 0.04Max; Cr: 0.25Max.

2.High chrome cast balls

Size: 20mm-120mm

Hardness:HRC58-65;

Chrome content:11-14%

3. Low chrome cast balls

Size: 20mm-120mm

Hardness: HRC45-55;

Chrome content:1-3.5%

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