GB/T 45857-2025 Tubular cored electrodes for electrogas welding

GB/T 2650-2022 Destructive tests on welds in metallic materials—Impact tests GB/T 2652-1989 Method of tensile tests for weld and deposited metal GB/T 2652-2008 Tensile test methods on weld and deposited metal GB/T 2652-2022 Destructive tests on welds in metallic materials—Longitudinal tensile test on weld metal in fusion welded joints GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 3375-1994 Welding terminology GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 16672-1996 Welds—Working positions—Definitions of angles of slope and rotation GB/T 25775-2010 Technical delivery conditions for welding consumables—Type of product,dimensions,tolerances and markings GB/T 25778-2010 Procurement guidelines for welding consumables GB/T 37910.1-2019 Non-destructive testing of welds—Acceptance levels for radiographic testing—Part 1:Steel,nickel, titanium and their alloys GB/T 39255-2020 Gases and gas mixtures for welding and cutting processes