This standard specifies the use classification and grouping of hard metals for wear-resistant parts, the rules for designation, basic composition (reference value) and basic performance requirements, etc. This standard applies to hard alloys for wear-resistant parts (metal forming tools, stamping dies, high-temperature and high-pressure components, linear rolling roll rings, sealing rings, etc.).
GB/T 18376.3-2001 history
2015GB/T 18376.3-2015 Grades of cemented carbide.Part 3:Grades of cemented carbide for wear parts
2001GB/T 18376.3-2001 Grades of cemented carbide Part 3: grades of cemented carbide for wear parts