GB/T 42536-2023 Assembly valve on high pressure hydrogen storage cylinder for vehicles

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 32249-2015 Aluminum and aluminum-alloy die forgings,hand forgings and rolled ring forgings—General specification GB/T 34542.2-2018 Storage and transportation systems for gaseous hydrogen—Part 2:Test methods for evaluating metallic material compatibility in hydrogen atmosphere GB/T 34542.3-2018 Storage and transportation systems for gaseous hydrogen—Part 3:Test method for determination of the susceptibility of metallic materials to hydrogen gas embrittlement (HGE) NB/T 47010-2017 Stainless steel and heat-resistant steel forgings used in pressure equipment NB/T 47010-2010 Stainless and heat-resisting steel forgings for pressure equipments YS/T 479-2005 Aluminum and aluminum alloy for general industrial use, in their shape in a form of forged components