GB/T 4157-2017 Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environment (English Version)
GB/T 10123 Corrosion of metals and alloys—Vocabulary*, 2022-04-15 Update
GB/T 1031 Geometrical Product Specifications(GPS).Surface texture:Profile method.Surface roughness parameters and their values
GB/T 11060.1 Natural gas—Determination of sulfur compound—Part 1: Determination of hydrogen sulfide content by iodometric titration method*, 2023-05-23 Update
GB/T 15970.5 Corrosion of metals and alloy--Stress corrosion testing--Part 5: Preparation and use of C-ring specimens
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
GB/T 228.2 Metallic materials.Tensile testing.Part 2:Method of test at elevated temperature