Standard No.:	GB/T 17445-1998
English Name:	Cast grinding balls
Chinese Name:	铸造磨球
Chinese Classification:	J31    Casting
Professional Classification:	GB    National Standard
ICS Classification:	77.140.80 77.140.80    Iron and steel castings 77.140.80
Issued by:	China State Bureau of Quality and Technical Supervision
Issued on:	1998-07-30
Implemented on:	1999-7-1
Status:	superseded
Superseded by:	GB/T 17445-2009 Cast grinding balls
Superseded on:	2010-4-1
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

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。