GB/T 37594-2019 Technical specification for anti-UV three-layer external fusion powder coating corrosion protection for steel pipe

GBZ 1 GB/T 1728-2020 Determination of drying time of coating and putty films GB/T 1732-1993 Determination of impact resistance of film GB/T 1732-2020 Determination of impact resistance of coating films GB/T 1771-1991 Paints and varnishes—Determination of resistance to neutral salt spray GB/T 1771-2007 Paints and varnishes—Determination of resistance to neutral salt spray(fog) GB/T 1865-1997 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Filtered xenon-arc radiation GB/T 1865-2009 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Exposure to filtered xenon-arc radiation 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 4472-1984 General rule for determination of density and relative density for chemical products GB/T 4472-2011 Detemination of density and relative density for chemical products GB/T 5210-1985 Determination of adhesion of coats—Pull-off test GB/T 5210-2006 Paints and varnishes—Pull-off test for adhesion 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 6739-1996 Determination of film hardness by pencil test GB/T 6739-2006 Paints and varnishes—Determination of film hardness by pencil test GB/T 6739-2022 Paints and varnishes—Determination of film hardness by pencil test GB 7692-1999 Safety code for painting—Safety, ventilation and air clean-up for pretreatment process of painting GB 7692-2012 Safety code for painting—Safety、ventilation and air clean-up for pretreatment process of painting 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 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 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 9274-1988 Paints and varnishes—Determination of resistance to liquids GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test 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 18570.3-2005 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 3:Assessment of dust on steel surface prepared for painting(pressure-sensitive tape method) GB/T 21782.13-2009 Coating powders—Part 13:Particle size analysis by laser diffraction GB/T 23257-2009 Polyethylene coating for buried steel pipeline GB/T 23257-2017 Polyethylene coating for buried steel pipeline JB/T 6570-2020 The determination method of magnetic content for ordinary abrasives JB/T 6570-2020 JB/T 6570-2007 The content of magnetic materials in ordinary abrasive JB/T 6570-2007 for measurement method SY/T 0315-2013 Steel pipe fusion-bonded epoxy powder coating technical specification JB/T 6570-1993 JBT 6570-1993 Test method for magnetic content of general abrasives SY 0063-1992 Pipeline corrosion prevention layer leak testing method SY/T 0315-2005 The technical specifications for a single-layer molten weld epoxy coating applied to steel pipes SY/T 0315-1997 Steel pipe welding epoxy powder coating technology standard GB/T 3091-2025 Welded steel pipes for low pressure fluid delivery GB/T 50087-2013 Specifications for the design of noise control system in industrial enterprises