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Production process:
Raw materials-heating-forged or rolling into a ball--heat treatment-inspection-packing-
storage
Heat trea

Hebei goldpro gangqiu

[Related Keywords: goldpro grinding steel balls ]

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Specification:
Diameter: 20 to 150mm
Near surface hardness: more than 62 HRC
Core hardness: more than 55 HRC
Chemical

Hebei goldpro gangqiu

[Related Keywords: goldpro grinding steel ball ]

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