NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA(5)

5.1 The grinding balls tolerance of the diameter should be accord with Table 1. 5.2 The main chemical composition of each grades should be accord with Table 2.

national standatd of the grinding balls

NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA(4)

4.1 Chrome alloy cast iron grinding balls are divided into 7 grades according to the chrome content. Nodular cast iron grinding balls are divided into two grades according to the matrix structure, I. E. Bainite ductile cast iron grinding balls and Martensite ductile cast iron grinding balls.

national standatd of the grinding balls

NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA(3)

GB/T 5611 established and the following terms and attributes shall apply to this standard Chrome alloyed cast iron grinding ball The white cast iron with chromium as main alloy element is called chrome alloy cast iron for short, and the cast grinding ball with chrome alloy cast iron as material is called chrome alloy cast iron grinding […]