CJ/T 537-2019 Multi-layers steel wire-wound modified polyethylene wear resistant composite pipe

GB/T 4217-2008 Thermoplastics pipes for the conveyance of fluids—Nominal outside diameters and nominal pressures ASTM D638 ASTM D792 ASTM D1238 ASTM D1525 ASTM D3895 GB/T 1844.1-1995 Symbols of plastics and resins—Part 1:Basic polymers and their special characteristics GB/T 1844.1-2008 Plastics—Symbols and abbreviated terms—Part 1:Basic polymers and their special characteristics GB/T 1844.1-2022 Plastics—Symbols and abbreviated terms—Part 1:Basic polymers and their special characteristics GB/T 2035-1996 Terms and definitions for plastics GB/T 2035-2008 Terms and definitions for plastics GB/T 2035-2024 Plastics—Vocabulary GB/T 2791-1995 Adhesives, T peel strength test method for a flexible-to-flexible test specimen assembly 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 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3681-2000 Plastics—Test method of exposure to weathering GB/T 3681-2011 Plastics—Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors GB/T 3681.1-2021 Plastics—Methods of exposure to solar radiation—Part 1:General guidance GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2:Direct weathering and exposure behind window glass GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 3682.2-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 2:Method for materials sensitive to time-temperature history and/or moisture 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 6671-2001 Thermoplastics pipes-Determination of longitudinal reversion GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 9647-2003 Thermoplastics pipes—Determination of ring stiffness GB/T 9647-2015 Thermoplastics pipes—Determination of ring stiffness GB/T 11547-1989 Plastics—Determination of the effects of liquid chemicals, including water GB/T 11547-2008 Plastic—Methods of test for the determination of the effects of immersion in liquid chemicals GB 14450-1993 Bead wire GB/T 14450-2004 Bead wire GB/T 14450-2008 Bead wire GB/T 14450-2016 Bead wire 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 AQ 1071-2009 Non-metallic gas conveying tube material for coal mines safety technical specifications AQ/T 1071-2009 Non-metallic gas conveying pipe for coal mines safety technical requirements GB/T 8806-1988 Method for dimension measuring of plastic pipes GB 50974-2014 Code of design on fire protection water supply and hydrant systems GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)