CJ/T 488-2016 Steel-plastic complex pipes of short pitch internal spiral rib for drainage inside buildings

QB/T 2803 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 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 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 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 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 5836.1-1992 Unplasticized polyvinyl chloride pipes for drainage in buildings GB/T 5836.1-2006 Unplasticized poly (vinyl chloride) (PVC-U) pipes for soil and waste discharge inside buildings GB/T 5836.1-2018 Unplasticized poly(vinyl chloride)(PVC-U)pipes for soil and waste discharge inside buildings 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 8802-2001 Thermoplastics pipes and fitting-Determination of vicat softening temperature GB/T 8804.2-2003 Thermoplastic pipes—Determination of tensile properties—Part 2:Pipes made of unplasticized poly(vinyl chloride)(PVC-U),chlorinated poly(vinyl chloride)(PVC-C)and high-impact poly(vinyl chloride)(PVC-HI) 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 13526-1992 Unplasticized polyvinyl chloride (PVC-U) pipes—Dichloromethane test GB/T 13526-2007 Unplasticized polyvinyl chloride(PVC-U) pipes—Dichloromethane resistance test method GB/T 14152-2001 Thermoplastics pipes—Determination of resistance to external blows—Round-the-clock method CJ/T 250-2007 High density polyethylene pipes and fittings for drainage inside buildings CJ/T 250-2018 High density polyethylene pipes and fittings for drainage inside buildings CJ/T 278-2008 Polypropylene pipe and fitting for drainage inside buildings HG/T 3349-2003 various colors of phenolic resin enamel HG/T 3668-2020 Zinc-rich base paint HG/T 3668-2009 Zinc-rich undercoat。 HG/T 3668-2000 Zinc-rich undercoating GB/T 8806-1988 Method for dimension measuring of plastic pipes GB/T 3091-2025 Welded steel pipes for low pressure fluid delivery GB 50242-2002 Code for acceptance of construction quality of Water supply drainage and heating works