GB/T 28897-2012 Steel pipes of complex plastic

GB/T 28897-2021 Steel-plastic compound pipes and fittings for fluid service

GB/T 244-1997 Metallic materials—Tube—Bend test GB/T 244-2008 Metallic materials-tube—Bend test GB/T 244-2020 Metallic materials—Tube—Bend test method 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 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2018 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2025 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 1040.4-2006 Plastics—Determination of tensile properties—Part 4:Test conditions for isotropic and orthotropic fibre-reinforced plastic composites GB/T 1040.5-2008 Plastics—Determination of tensile properties—Part 5:Test conditions for unidirectional fibre-reinforced plastic composites GB/T 1633-2000 Plastics—Thermoplastic materials—Determination of Vicat softening temperature(VST) GB/T 1633-2025 Plastics—Thermoplastic materials—Determination of Vicat softerning temperature(VST) GB/T 1732-1993 Determination of impact resistance of film GB/T 1732-2020 Determination of impact resistance of coating films 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 2914-1999 Plastics—Homopolymer and copolymer resins of vinyl chloride-Determination of volatile matter(including water) GB/T 2914-2008 Plastics—Homopolymer and copolymer resins of vinyl chloride—Determination of volatile matter (including water) 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 4956-2003 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness-Magnetic method GB/T 4956-2025 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness—Magnetic method GB 5135.11-2006 Automatic sprinkler system—Part 11:Grooved couplings and fittings GB/T 6554-2003 Resin based reactive compounds used for electrical insulation—Part 2:Methods of test—Methods for coating pourders for electrical purposes GB/T 6742-1986 Bend test for coating (cylindrical mandrel) GB/T 6742-2007 Paints and varnishes—Bend test(cylindrical mandrel) 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 9119-2000 Slip-on-welding plate steel pipe flanges with flate face or raised face GB/T 9119-2010 Slip-on-welding plate steel pipe flanges GB/T 9124-2000 Specification for steel pipe flanges GB/T 9124-2010 Specification for steel pipe flanges GB/T 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 9124.2-2019 Steel pipe flanges—Part 2:Class designated GB/T 10002.1-1996 Unplasticized polyvinyl chloride (PVC-U) pipe for water supply GB/T 10002.1-2006 Unplasticized poly(vinyl chloride)(PVC-U)pipes for water supply GB/T 10002.1-2023 Unplasticized poly (vinyl chloride) (PVC-U) pipes for water supply 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 13663-2000 Polyethylene pipes for water supply GB/T 13663.1-2017 Polyethylene(PE)piping systems for water supply—Part 1:General GB/T 13663.2-2005 Polyethylene(PE)pipings systems for water supply—Part 2:Fittings GB/T 13663.2-2018 Polyethylene(PE)piping systems for water supply—Part 2:Pipes GB/T 13663.3-2018 Polyethylene(PE)piping systems for water supply—Part 3:Fittings GB/T 13663.5-2018 Polyethylene (PE) piping systems for water supply—Part 5:Fitness for purpose of the system GB 15558.1-1995 Buried polyethylene (PE) pipes for the supply of gaseous fuels GB 15558.1-2003 Buried Polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes GB/T 15558.1-2015 Buried polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes GB/T 15558.1-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 1:General 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 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General GB/T 18742.1-2017 Polypropylene(PP) piping systems for hot and cold water installations—Part 1:General GB/T 18992.1-2003 Crosslinked polyethylene(PE-X) piping systems for hot and cold water installations—Part 1:General GB/T 18993.1-2003 Chlorinated poly(vinyl chloride) piping system for hot and cold water installations—Part 1:General GB/T 18993.1-2020 Chlorinated poly (vinyl chloride) (PVC-C) piping systems for hot and cold water installations—Part 1:General CJ/T 175-2002 Polyethylene of raised temperature resistance(PE-RT)piping systems for hot and cold water installations