GB/T 5611 established and the following terms and attributes shall apply to this standard 3.1 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 […]
This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking and transportation of chromium alloy cast iron grinding balls and nodular cast iron grinding balls.
This standard is modified with the USA ASTM A532/A532M-93a (2003) ‘Standard specification for wear-resistant cast iron’ and EU standard EN12513:2000N ‘CAST WEAR-RESISTANT CAST IRON’ and other foreign advanced standards of the relevant provisions.
In the heat treatment process, quenching and tempering is very important for casting grinding mill balls. It influences the balls hardness, inner structure, impack value. These are used to indicate a balls quality. Here briefly introduce you the what is the quenching and tempering.