GB/T 35544-2017 Fully-wrapped carbon fiber reinforced cylinders with an aluminum liner for theon-board storage of compressed hydrogen as a fuel for land vehicles

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 9251-1997 Method for hydraulic test of gas cylinders GB/T 9251-2011 Methods for hydrostatic test of gas cylinders GB/T 9251-2022 Methods for hydrostatic test of gas cylinders GB/T 9252-2001 Method for cycling test of gas cylinders GB/T 9252-2017 Method for pressure cycling test of gas cylinders GB/T 11640-2001 Seamless aluminium alloy gas cylinder GB/T 11640-2011 Seamless aluminum alloy gas cylinders GB/T 11640-2021 Seamless aluminium alloy gas cylinders GB/T 12137-2002 Method for leakage test of gas cylinders GB/T 12137-2015 Methods for leakage test of gas cylinders GB/T 12137-2025 Methods for leakage test of gas cylinders GB/T 13005-1991 Terminology of gas cylinders GB/T 13005-2011 Terminology of gas cylinders GB 15385-1994 Method for hydraulic burst test of gas cylinders GB/T 15385-2011 Method for hydraulic burst test of gas cylinder GB/T 15385-2022 Method for hydraulic burst test of gas cylinder GB/T 17394.1-2014 Metallic materials—Leeb hardness test—Part 1:Test method GB/T 17394.1-2025 Metallic materials—Leeb hardness test—Part 1:Test method GB/T 19466.2-2004 Plastics—Differential scanning calorimetry(DSC)—Part 2:Determination of glass transition temperature GB/T 19466.2-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 2:Determination of glass transition temperature and step height GB/T 20668-2006 Unified screw threads—Basic dimensions 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 GB/T 26749-2011 Carbon fiber—Determination of tensile properties of resin-impregnated yarn GB/T 26749-2022 Carbon fibre—Determination of tensile properties of resin-impregnated yarn GB/T 30019-2013 Carbon fiber—Determination of density GB/T 33215-2016 Pressure relief devices for gas cylinders GB/T 33215-2025 Pressure relief devices for gas cylinders YS/T 67-2005 Wrought aluminium and aluminium alloys columniform ingots YS/T 67-2012 Wrought aluminium and aluminium alloy columniform ingots YS/T 67-2018 Malleable aluminum and aluminum alloys round ingots YS 67-1993 LD30、LD31 aluminum alloy extrusion round ingot