even hardness, unbreakable, grinding resistant, high impact value SIZE):DIA 20-150mm(HARDNESS):HRC 50-60(CHEMICAL  ELEMENTS):C:0.52-0.65   Si0.15-0.37Mn:0.6-1.2    S:≤0.04   P:≤0.04   ...

1.size:20-50mm 2.material:steel 3.high hardness;non-broken;anti-crush... Material: bearing steel  Nominal diameter (mm)DiameteicalTolerance(mm)Weight of single ball in average(g)Number of piece of one ton forging ball in averageSurface...

grinding media : even hardness unbreakable grinding resistant high impact value grinding  media :application fields:industries of cement building material ,metallurgical selection in mine,grinding coal in power plant,chemical industry and...

bearing ball : even hardness unbreakable grinding resistant high impact value bearing ball :application fields:industries of cement building material ,metallurgical selection in mine,grinding coal in power plant,chemical industry and...

forged steel ball : even hardness unbreakable grinding resistant high impact value forged steel  ball :1. is high combined efficiency of grinding mill,can be used in a lot of areas, such as A.industries of cement building...

bearing ball : even hardness unbreakable grinding resistant high impact value bearing ball :application fields:industries of cement building material ,metallurgical selection in mine,grinding coal in power plant,chemical industry and...

grinding media : even hardness unbreakable grinding resistant high impact value grinding  media :application fields:industries of cement building material ,metallurgical selection in mine,grinding coal in power plant,chemical industry and...