GB/T 32958-2016 Stainless steel clad pipes for fluid transport

GB/T 31940-2025 Bi-metal composite steel pipes for fluid transportation

GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 241-1990 Metal tubes—Hydrostatic pressure testing GB/T 241-2007 Metal materials—Tube—Hydrostatic pressure test GB/T 241-2025 Metallic materials—Tube—Hydrostatic pressure test GB/T 246-1997 Metallic materials—Tube—Flattening test GB/T 246-2007 Metal materials—Tube—Flattening test GB/T 246-2017 Metallic materials—Tube—Flattening test GB/T 699-2015 Quality carbon structure steels GB/T 700-2006 Carbon structural steels 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 1591-2008 High strength low alloy structural steels GB/T 2102-1988 Acceptance, packing, marking, and certification of pipe GB/T 2102-2006 Acceptance, packing, marking and quality certification of steel pipe GB/T 2102-2022 Acceptance,packaging,marking and quality certification for steel tubular products 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 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 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing GB/T 3091-2001 Welded steel pipe for low pressure liquid delivery GB/T 3091-2008 Welded steel pipes for low pressure liquid delivery GB/T 3091-2015 Welded steel pipes for low pressure liquid delivery GB/T 3091-2025 Welded steel pipes for low pressure fluid delivery GB/T 4241-1984 Stainless steel wire rods for welding GB/T 4241-2006 Stainless steel wire rods for welding GB/T 4241-2017 Stainless steel wire rods for welding GB/T 4241-2025 Stainless steel wire rods for welding GB/T 4334-2008 Corrosion of metals and alloys—Test methods for intergranular corrosion of stainless steels GB/T 4336-2002 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel(routine method) GB/T 4336-2016 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) 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 5118-1995 Low alloy steel covered electrodes GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels GB/T 5293-1999 Carbon steel electrodes and fluxs for submerged arc welding GB/T 5293-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels GB/T 6396-1995 Clad plates—Machanical and technological test GB/T 6396-2008 Clad steel plates—Mechanical and technological test GB/T 8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel GB/T 8110-2020 Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels GB/T 8163-1999 Seamless steel tubes for liquid service GB/T 8163-2008 Seamless steel tubes for liquid service GB/T 8163-2018 Seamless steel pipes for liquid service GB/T 8165-1997 Stainless steel clad plates and strips GB/T 8165-2008 Stainless steel clad plates,sheets and strips GB/T 8165-2025 Stainless steel clad plate,sheet and strip GB/T 9711-2011 Petroleum and natural gas industries—Steel pipe for pipeline transportation systems GB/T 11170-1989 Method for photoelectric emission spectroscopic analysis of stainless steel GB/T 11170-2008 Stainless steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method(Routine method) GB 12470-1990 Fluxes for the submerged arc welding of low alloy steel GB/T 12470-2003 Low-alloy steel electrodes and fluxes for submerged arc welding GB/T 12470-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels GB/T 12771-2000 Welded stainless steel pipes for liquid delivery GB/T 12771-2008 Welded stainless steel pipes for liquid delivery GB/T 12771-2019 Welded stainless steel pipes for fluid transport GB/T 13793-1992 Longitudinal electric resistance welded steel tubes GB/T 13793-2008 Steel pipes with a longitudinal electric (resistance) weld GB/T 13793-2016 Steel pipes with a longitudinal electric(resistance) weld GB/T 14957-1994 Steel wires for melt welding GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport GB/T 14976-2025 Seamless stainless steel pipes for fluid transport GB/T 16957-1997 Mechanical tests on welded joints in clad plates GB/T 16957-2012 Clad teel plates—Mechanical technical tests on welded joints GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 17395-1998 Dimensions、shapes、masses and tolerances of seamless steel tubes GB/T 17395-2008 Dimensions,shapes,masses and tolerances of seamless steel tubes GB/T 17395-2024 Dimensions,shapes,masses and tolerances of steel tubes GB/T 17854-1999 Stainless steel electrodes and fluxs for submerged arc welding GB/T 17854-2018 Solid wire electrodes/flux combinations for submerged arc welding of stainless steels GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method) GB/T 20124-2006 Steel and iron—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas (Routine method) GB/T 21832-2008 Austenitic-Ferritic (duplex) grade stainless steel welded tubes and pipes GB/T 21832.1-2018 Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger GB/T 21832.2-2018 Welded austenitic-ferritic(duplex)stainless steel tubes and pipes—Part 2:Pipes for fluid transport GB/T 21832.3-2024 Welded austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 3:Pipes for oil and gas transmission GB/T 21833-2008 Austenitic-Ferritic (duplex) grade stainless steel seamless tubes and pipes GB/T 21833.1-2020 Seamless austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger GB/T 21833.2-2020 Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid service GB/T 21833.3-2024 Seamless austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 3:Pipes for oil and gas transmission GB/T 21835-2008 Dimensions and masses per unit length of welded steel pipes NB/T 47013.2-2015 Non-destructive testing of pressure equipment - Part 2: Radiographic testing NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing SY/T 6423.1-2013 Petroleum and natural gas industries - Non-destructive testing methods for steel pipes - Part 1: Radiographic testing of welded pipe welds SY/T 6423.2-2013 Petroleum and natural gas industries - Non-destructive testing methods for steel pipes - Part 2: Automatic ultrasonic testing of longitudinal and/or transverse defects in welded steel pipes welds YB/T 4204-2020 Water supply stainless steel welded steel pipe YB/T 4204-2009 Water supply stainless steel welded steel pipe YB/T 4282-2012 Hot rolled stainless steel composite plate for pressure vessels YB/T 5092-2016 stainless steel wire for welding YB/T 5092-1996 Stainless steel wire for welding