This standard specifies the product classification, technical requirements, inspection rules and test methods, marking, packaging, transportation and storage of cemented carbide gauge blanks. This standard applies to carbide gauge blanks.
GB/T 10565-1989 history
2008GB/T 3612-2008 Cemented carbide blanks for gauge blocks or measuring tools
1989GB/T 10565-1989 Blank for hard metal(carbide) gauge blocks
GB/T 10565-1989 Blank for hard metal(carbide) gauge blocks was changed to GB/T 3612-2008 Cemented carbide blanks for gauge blocks or measuring tools.