GB/T 17445-1998 in English

《GB/T 17445-1998铸造磨球》由TC54（全国铸造标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了铬系合金(高铬、中铬、低铬)白口铸铁和贝氏体球墨铸铁磨球的产品分类、技术要求、试验方法、检验规则、包装、标志和运输。 本标准适用于选矿、火力发电、建材和化工等领域，用以粉碎和研磨矿石、煤和水泥等相关物料的铬系合金(高铬、中铬、低铬)白口铸铁和贝氏体球墨铸铁磨球。

Scope

This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking and transportation of chromium alloy (high chromium, medium chromium, low chromium) white cast iron and bainitic nodular cast iron grinding balls. This standard applies to the fields of mineral processing, thermal power generation, building materials and chemical industry. It is used for crushing and grinding ore, coal and cement and other related materials. Chromium series alloys (high chromium, medium chromium, low chromium) white cast iron and bainite ductile graphite Cast iron grinding balls.