CJ/T 159-2015 Polyolefin/aluminum/ polyolefin composite pressure pipe(butt-welded by aluminum pipe)

CJ/T 159-2006 Polyethylene/Aluminum/ Polyethylene composite pressure pipe(butt-welded by aluminum pipe)

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 18997.1-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe—Part 1:PE/AL/PE pipe overlap-welded by aluminum pipe GB/T 18997.2-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe—Part 2:PE/AL/PE pipe butt-welded by aluminum pipe ISO 15874-1 GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 6111-2003 Thermoplastics pipes for the conveyance of fluids-Resistance to internal pressure—Test method GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids—Determination of the resistance to internal pressure GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis GB/T 13021-2023 Polyolefin pipes and fittings—Determination of carbon black content—Test method of alcination and pyrolysis 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 15560-1995 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 18474-2001 Pipes and fittings made of crosslinked polyethylene(PE-X)—Estimation of the degree of crosslinking by determination of the gel content 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 19466.3-2004 Plastics—Differential scanning calorimetry(DSC)—Part 3:Determination of temperature and enthalpy of melting and crystallization GB/T 28799.1-2012 Plastics piping systems for hot and cold water installations—Polyethylene of raised temperature resistance(PE-RT)—Part 1:General GB/T 28799.1-2020 Polyethylene of raised temperature resistance(PE-RT) piping systems for hot and cold water installations—Part 1:General GB/T 8806-1988 Method for dimension measuring of plastic pipes GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 19466.3-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 3:Determination of temperature and enthalpy of melting and crystallization

ISO 15874-1