T/CECS 10159-2021 Socket steel pipes with flexible joint for water supply

GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 709-1988 Dimensions, shape, weight and tolerances for hot-rolled plates and sheets GB/T 709-2006 Dimension,shape,weight and tolerances for hot-rolled steel plates and sheets GB/T 709-2019 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet 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 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 3274-1988 Carbon structural and low alloy steel rolled plates and strips GB/T 3274-2007 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3274-2017 Hot-rolled plates,sheets and strips of carbon structural steels and high strength low alloy structural steels 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 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 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 9711-2011 Petroleum and natural gas industries—Steel pipe for pipeline transportation systems GB/T 9711-2017 Petroleum and natural gas industries—Steel pipe for pipeline transportation systems GB/T 9711-2023 Petroleum and natural gas industries—Steel pipe for pipeline transportation systems GB/T 9711.1-1997 Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—Part 1:Pipes of requirements class A GB/T 9711.2-1999 Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—Part 2:Pipes of requirement class B GB/T 9711.3-2005 Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—Part 3:Pipes of requirements class C GB/T 13295-2003 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2008 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2013 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2019 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 14164-1993 Hot-rolled wide strips for line pipe of oil and natural gas GB/T 14164-2005 Hot-rolled wide strips for line pipe of petroleum and natrual gas GB/T 14164-2013 Hot rolled wide strips for line pipe of petroleum and natural gas 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 21873-2008 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials GB/T 21873-2025 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials GB/T 23257-2009 Polyethylene coating for buried steel pipeline GB/T 23257-2017 Polyethylene coating for buried steel pipeline GB/T 50125-2010 Standard for basic terms of water and wastewater engineering GB 50184-2011 Code for acceptance of construction quality of industrial metallic piping CJ/T 120-2000 Coating plastic steel pipe for water supply CJ/T 120-2008 Coating plastic steel pipe for water supply CJ/T 120-2016 Coating plastic steel pipe for water supply SY/T 4106-2016 SY/T 4106-2016 Technical specification for solvent-free polyurethane coating anticorrosive layer of steel pipes and storage tanks SY/T 5037-2023 Underground arc welding steel pipe for general fluid conveyance pipeline SY/T 5037-2018 Underground arc welding steel pipe for general fluid conveyance pipeline SY/T 5037-2012 Submerged arc welded steel pipe for general fluid conveying pipelines SY/T 5037-2000 SY/T 5037-2000 Screw-Gap Soldering Steel Pipe for Low-Pressure Pipeline Transportation System SY/T 5038-2018 SY/T 5038-2018 Welding Steel Pipe for General Fluid Transport Pipeline SY/T 5038-2012 SY/T 5038-2012 Ordinary fluid conveying pipeline high-frequency welded straight seam steel pipes。 SY/T 5038-1992 Spiral-welded high-frequency welded steel pipe for general fluid conveying pipelines SY/T 6423.7-2017 Petroleum and natural gas industries - Non-destructive testing methods for steel pipes - Part 7: Magnetic particle testing for surface defects of seamless and welded magnetic steel pipes