Wear-resistant Steel Ball

Wear steel ball has two species: a is, to chrome for main alloy elements of white mouth cast iron referred to chrome alloy cast iron, to chrome alloy cast iron for material of casting mill ball called chrome alloy cast iron mill ball; another a is, to nodular cast iron for material of casting mill ball called nodular cast iron mill ball, which through heat treatment obtained of matrix organization main is Bell's body of nodular cast iron mill ball referred to Bell's body ball iron mill ball; through heat treatment obtained of matrix organization main is horse's body of nodular cast iron mill ball referred to horse's body ball iron mill ball.