JINAN JINGZHAN TRADE CO., LTD

metals(1)

JINAN JINGZHAN TRADE CO., LTD

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grinding steel ball,forged steel ball, forged steel grinding bal
Specification: DIA 20mm-150mm DIA 40mm-150mm
Detail: Our main products as follows Steel ball: 1. Forged steel balls Size: 20mm-150mm Hardness: HRC50-65 Chemical elements: C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max. 2. Forged steel balls (RC...


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