This standard applies to the terms and definitions of basic and commonly used physical properties and physical quantities in the field of basic theory and technology in the field of expansion alloys.
GB/T 15015-1994 history
2008GB/T 15014-2008 Physical quantity terminologies and definitions of elastic alloy,expansion alloy,thermostat metal,resistance alloy
1994GB/T 15015-1994 Physical characters and physical values terms definitions for expansion alloys
GB/T 15015-1994 Physical characters and physical values terms definitions for expansion alloys was changed to GB/T 15014-2008 Physical quantity terminologies and definitions of elastic alloy,expansion alloy,thermostat metal,resistance alloy.