GB/T 44527-2024 Qualification testing of diver-welders and welding operators for underwater hyperbaric dry welding

GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 19866-2005 Specification and qualification of welding procedures for metallic materials—General rules GB/T 983-1995 Stainless steel covered electrodes GB/T 983-2012 Covered electrodes for manual metal arc welding of stainless and heat-resisting steels GB/T 2653-1989 Methods of bend and compression tests for welded joint GB/T 2653-2008 Bend test methods on welded joints GB/T 3375-1994 Welding terminology GB/T 5117-1995 Carbon steel covered electrodes GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels GB/T 5185-1985 Welding, brazing, braze welding and soldering of metals—List of processes, for symbolic representation on drawings GB/T 5185-2005 Welding and allied processes—Nomenclature of processes and reference numbers GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment GB/T 11345-2023 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels and assessment GB/T 16672-1996 Welds—Working positions—Definitions of angles of slope and rotation GB/T 18851.1-2005 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 18851.1-2012 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 19418-2003 Arc-welded joints in steel—Guidance on quality levels for imperfections GB/T 19867.1-2005 Welding procedure specification for arc welding GB/T 26951-2011 Non-destructive testing of welds—Magnetic particle testing GB/T 26955-2011 Destructive tests on welds in metallic materials—Macroscopic and microscopic examination of welds GB/T 27551-2011 Destructive tests on welds in metallic materials—Fracture test and leasing of audio-video products GB/T 32259-2015 Non-destructive testing of welds—Visual testing of fusion-welded joints GB/T 18851.1-2024 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 26951-2025 Non-destructive testing of welds—Magnetic particle testing

ISO 15618&#8259 2:2001