JG/T 516-2017 Organic coated steel flat products for building decoration

GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 13448-2006 Test methods for prepainted steel sheet JG/T 402-2013 Roofing products from metal sheet with reflect thermal coating GB/T 247-1997 General rule of acceptance, package, mark and certification for steel plates(sheets) and strips GB/T 247-2008 General rule of package,mark and certification for steel plates(sheets)and strips GB/T 1732-1993 Determination of impact resistance of film GB/T 1732-2020 Determination of impact resistance of coating films GB/T 1766-1995 Paint and varnish—Rating schemes of degradation of coats GB/T 1766-2008 Paints and varnishes—Rating schemes of degradation of coats 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 1839-2003 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products GB/T 1839-2008 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products GB/T 2518-1988 Continual hot-dip zinc-coated steel sheets and strips GB/T 2518-2004 Continuous hot-dip zinc-coated steel sheets and strips GB/T 2518-2008 Continuously hot-dip zinc-coated steel sheet and strip GB/T 2518-2019 Continuously hot-dip zinc and zinc alloy coated steel sheet and strip GB/T 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing 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/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 9754-1988 Paints and varnishes—Measurement of specular gloss of non-metallic paint films at 20°, 60°and 85° GB/T 9754-2007 Paints and varnishes—Determination of specular gloss of non-metallic paint films at 20°,60°and 85° GB/T 9761-2008 Paints and varnishes—Visual comparison of the colour of paints GB/T 11186.2-1989 Methods for measuring the color of paint films—Part 2:Colour measurement GB/T 11186.3-1989 Methods for measuring the color of paint films—Part 3:Calculation of color differences GB/T 14978-1994 Continual hot-dip aluminium zinc silicon alloy coated steel strips and sheets GB/T 14978-2008 Continuously hot-dip aluminum-zinc alloy coated steel sheet and strip GB/T 30794-2014 Determination of polyvinylidene fluoride(PVDF) content of hot-melt fluorocarbon resin coatings(dry film)—Dropping of the melting temperature HG/T 3830-2022 Pre-coated sheet coating material JC/T 2229-2014 Exposure test method for metallic and metal composite materials used in construction JC/T 480-1992 JC/T 480-1992 building raw lime powder HG/T 3830-2006 Coil coatings GB/T 9754-2025 Paints and varnishes—Determination of gloss value at 20°、60° and 85° GB/T 247-2025 General rules of package, mark and certification for steel plate, sheet and strip GB/T 1839-2025 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products