This standard specifies the terms and definitions of residual stress ultrasonic body wave testing, personnel requirements, testing points, testing systems, longitudinal and transverse wave acoustic elastic coefficient calibration, testing procedures, testing instrument calibration and testing report writing requirements. This standard is applicable to the detection of residual stress in materials using ultrasonic body waves.
GB/T 16923 Normalizing and annealing of steel parts
GB/T 18852 Non-destructive testing—Ultrasonic testing—Reference blocks and test procedures for the characterization of contact probe sound beams*, 2020-11-19 Update
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*, 2021-12-31 Update