GB/T 12160 Metallic materials-Calibration of extensometers systems used in uniaxial testing*, 2019-10-18 Update
GB/T 16825.1 Metallic materials—Calibration and verification of static uniaxial testing machines—Part1:Tension/compression testing machines—Calibration and verification of the force-measuring system*, 2022-10-14 Update
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*, 2021-12-31 Update
ISO 9513:1999 Metallic materials - Calibration of extensometers used in uniaxial testing
GB/T 228.3-2019 history
2019GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3: Method of test at low temperature
2006GB/T 13239-2006 Metallic materials.Tensile testing at low temperature
1991GB/T 13239-1991 Metallic materials--Tensile testing at low temperatures
GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3: Method of test at low temperature has been changed from GB/T 13239-2006 Metallic materials.Tensile testing at low temperature.