GB/T 39280-2020 Rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels

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 GB/T 2650-1989 Method of impact test for welded joint GB/T 2650-2008 Impact test methods on welded joints 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 18591-2001 Welding—Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperature GB/T 25774.1-2010 Test methods for welding consumables—Part 1:Preparation and testing of deposited metal specimens for mechanical properties in steel,nickel and nickel alloys GB/T 25774.1-2023 Test methods for welding consumables—Part 1:Preparation of deposited metal test pieces and specimens for mechanical properties in steel,nickel and nickel alloys 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

ISO 636:2017