GB/T 37778-2019 Recommended process for laser beam welding on stainless steels

GB/T 2651-1989 Method of tensile test for welded joint GB/T 2651-2008 Tensile test method on welded joints GB/T 2651-2023 Destructive tests on welds in metallic materials—Transverse tensile test 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 3323-1987 Methods for radiographic inspection and classification of radiographs for fusion welded butt joints in steel GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X-and gamma-ray techniques with digital detectors GB/T 3375-1994 Welding terminology GB 7247.1-2001 Safety of laser products—Part 1:Equipment classification, requirements and user's guide GB 7247.1-2012 Safety of laser products—Part 1:Equipment classification and requirements GB/T 9445-1999 Qualification and certification for nondestructive testing personnel GB/T 9445-2005 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2008 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2015 Non-destructive testing—Qualification and certification of NDT personnel GB/T 18490.1-2017 Safety of machinery—Laser processing machines—Part 1:General safety requirement 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 19805-2005 Qualification test of welding operators GB/T 19866-2005 Specification and qualification of welding procedures for metallic materials—General rules GB/T 19867.4-2008 Welding procedure specification for laser beam welding GB/T 25343.1-2010 Railway applications—Welding of railway vehicles and components—Part 1:General GB/T 25343.3-2010 Railway applications—Welding of railway vehicles and components—Part 3:Design requirements GB/T 26953-2011 Non-destructive testing of welds—Penetrant testing of welds—Acceptance levels GB/T 26955-2011 Destructive tests on welds in metallic materials—Macroscopic and microscopic examination of welds GB/T 29710-2013 Electron and laser beam welding procedure test method GB/T 32259-2015 Non-destructive testing of welds—Visual testing of fusion-welded joints GB/T 33239-2016 Stainless steel plate,sheet and strip for rail vehicle GB/T 7247.1-2024 Safety of laser products—Part1:Equipment classification and requirements GB/T 9445-2024 Non-destructive testing—Qualification and certification of personnels GB/T 18851.1-2024 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 26953-2025 Non-destructive testing of welds—Penetrant testing—Acceptance levels