YS/T 875-2013 Coated aluminium alloy sheets and strips with high reflectivity used for lamp brackets

GB/T 232-1999 Metallic materials—Bend test GB/T 232-2010 Metallic materials—Bend test GB/T 232-2024 Metallic materials—Bend testing method GB/T 1732-1993 Determination of impact resistance of film GB/T 1732-2020 Determination of impact resistance of coating films GB/T 3190-1996 Wrought aluminium and aluminium alloys—Chemical composition limits GB/T 3190-2008 Wrought aluminium and aluminium alloy——Chemical composition GB/T 3190-2020 Chemical composition of wrought aluminium and aluminium alloys GB/T 3199-1996 Wrought aluminium and aluminium alloy products—Packing, marking, transporting and storing GB/T 3199-2007 Wrought aluminium and aluminium alloy products—Packing, marking, transporting and storing GB/T 4957-2003 Non-conductive coatings on non-magnetic basis metals—Measurement of coating thickness-Eddy current GB/T 4957-2025 Non-conductive coatings on non-magnetic electrically conductive base metals—Measurement of coating thickness—Amplitude-sensitive eddy-current method 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 7999-2000 Standard method for direct reading spectromertric analysis of aluminum and its alloys GB/T 7999-2007 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 7999-2015 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values 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 9754-2025 Paints and varnishes—Determination of gloss value 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 16865-1997 Test pieces for tensile test for wrought aluminum and magnesium alloy products GB/T 16865-2013 Test pieces and method for tensile test for wrought aluminium and magnesium alloys products GB/T 16865-2023 Test pieces and methods for tensile test for wrought aluminium,magnesium and their alloy products GB/T 17432-1998 Methods of sampling for analysing the chemical composition of wrought aluminum and aluminum alloy GB/T 17432-2012 Methods for sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys GB/T 20505-2006 Anodizing of aluminium and its alloys—Measurement of reflectance characteristics of aluminium surfaces using integrating-sphere instruments GB/T 20975.1-2007 Chemical analysis methods of aluminium and aluminium alloys—Part 1:Determination of mercury content—Cold atomic absorption spectrometric method GB/T 20975.2-2007 Chemical analysis methods of aluminium and aluminium alloys—Part 2:Determination of arsenic content—Molybdenum blue spectrophotometric method GB/T 20975.10-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content GB/T 20975.11-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 11:Determination of lead content—Flame atomic absorption spectrometric method GB/T 20975.12-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 12:Determination of titanium content GB/T 20975.13-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content—N-benzoyl-Nphenylhydroxylamine spectrophotometric method GB/T 20975.14-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 14:Determination of nickel content GB/T 20975.15-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content GB/T 20975.16-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 16:Determination of magnesium GB/T 20975.17-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content—Flame atomic absorption spectrometric method GB/T 20975.18-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content GB/T 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content GB/T 20975.20-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method GB/T 20975.21-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content—Flame atomic absorption spectrometric method GB/T 20975.22-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content—SCR spectrophotometric method GB/T 20975.23-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content—Potassium iodide spectrophotometric method GB/T 20975.24-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth contents GB/T 20975.3-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 3:Determination of copper content GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content—Orthopenanthroline photometric method GB/T 20975.5-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content GB/T 20975.6-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 6:Determination of cadmium content—Flame atomic absorption spectrometric method GB/T 20975.7-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content—Potassium periodate spectrophotometric method GB/T 20975.8-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content GB/T 20975.9-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometric method GB/T 20975.25-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Inductively coupled plasma atomic emission spectrometric method GB/T 20975.26-2013 Methods for chemical analysis of aluminium and aluminium alloys—Part 26:Determination of carbon content—Infrared absorption method GB/T 20975.11-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 11:Determination of lead content GB/T 20975.1-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 1:Determination of mercury content GB/T 20975.2-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 2:Determination of arsenic content GB/T 20975.27-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 27:Determination of cerium,lanthanum,scandium—Inductively coupled plasma atomic emission spectrometry method GB/T 20975.28-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry GB/T 20975.29-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry GB/T 20975.30-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 30:Determination of hydrogen content—Heating extraction-thermal conductivity method GB/T 20975.31-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 31:Determination of phosphorus content—Molybdenum blue spectrophotometry GB/T 20975.10-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content GB/T 20975.12-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 12:Determination of titanium content GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14:Determination of nickel content GB/T 20975.16-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 16:Determination of magnesium content GB/T 20975.18-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content GB/T 20975.22-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content GB/T 20975.23-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content GB/T 20975.24-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth content GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Determination of elements content—Inductively coupled plasma atomic emission spectrometric method GB/T 20975.3-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 3:Determination of copper content GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method GB/T 20975.36-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content GB/T 20975.7-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content GB/T 20975.9-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry GB/T 20975.37-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content GB/T 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6:Determination of cadmium content GB/T 20975.13-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content GB/T 20975.15-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content GB/T 20975.20-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method GB/T 20975.32-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 32:Determination of bismuth content GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method GB/T 20975.34-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 34:Determination of sodium content—Flame atomic absorption spectrometric method GB/T 20975.8-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content