GB/T 6408-2003 in English

《GB/T 6408-2003超硬磨料 立方氮化硼》由TC139（全国磨料磨具标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了立方氮化硼的品种代号、技术要求（粒度组成、冲击韧性、静压破碎负荷、堆积密度、杂质含量）、试验方法、验收规则、标志和包装。本标准适用于制造树脂结合剂、陶瓷结合剂、金属结合剂磨具和电镀制品等用途的静压法合成的单晶立方氮化硼。

Scope

This standard specifies the variety code, technical requirements (particle size composition, impact toughness, static crushing load, bulk density, magazine content), test methods, acceptance rules, signs and packaging of cubic boron nitride. This standard applies to monocrystalline cubic boron nitride synthesized by hydrostatic method for the manufacture of resin bond, vitrified bond, metal bond abrasive tool and electroplating products.