GB/T 4437.2-2003 Aluminium and aluminium alloy extruded tubes—Part2:Seam tubes

GB/T 4437.2-2017 Aluminium and aluminium alloy extruded tubes—Part 2:Seam tubes

GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium 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 3246.1-2000 Wrought aluminium and aluminium alloys products inspection method for microstructure GB/T 3246.1-2012 Inspection method for structure of wrought aluminum and aluminum alloy products—Part 1:Inspection method for microstructure GB/T 3246.1-2024 Inspection method for structure of wrought aluminium and aluminium alloy products—Part 1:Inspection method for microstructure GB/T 3246.2-2000 Wrought aluminium and aluminium alloys products inspection method for macrostructure GB/T 3246.2-2012 Inspection method for structure of wrought aluminum and aluminum alloy products—Part 2:Inspection method for macrostructure GB/T 3246.2-2026 Inspection method for structure of wrought aluminium and aluminium alloy products—Part 2:Inspection method for macrostructure GB/T 6987.1-2001 Aluminium and aluminium alloys—Determination of copper content—Electrolytic grarmetric method GB/T 6987.2-2001 Aluminium and aluminium alloys—Determination of copper content—Oxalyldihydrazide spectrophotometric method GB/T 6987.3-2001 Aluminium and aluminium alloys—Determination of copper content—Falme atomic absorption spectrometric method GB/T 6987.4-2001 Aluminium and aluminium alloys—Determination of iron content—Orthopenanthroline photometric method GB/T 6987.5-2001 Aluminium and aluminium alloys—Determination of silicon content—Gravimetric method GB/T 6987.6-2001 Aluminium and aluminium alloys—Determination of silicon content—Molybdenum blue spectrophotometric method GB/T 6987.7-2001 Aluminium and aluminium alloys—Determination of manganese content—Potassium periodate spectrophotometric method GB/T 6987.8-2001 Aluminium and aluminium alloys—Determination of zine content—EDTA titrimetric method GB/T 6987.9-2001 Aluminium and aluminium alloys—Determination of zine content—Flame atomic absorption spectrometric method GB/T 6987.10-2001 Aluminium and aluminium alloys—Determination of tin content—Phenyl fluorone spectrophotometric method GB/T 6987.11-2001 Aluminium and aluminium alloys—Determination of lead content—Flame atomic absorption spectrometric method GB/T 6987.12-2001 Aluminium and aluminium alloys—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 6987.13-2001 Aluminium and aluminium alloys—Determination of vanadium content—N-benzoyl-Nphenylhydroxylamine spectrophotometric method GB/T 6987.14-2001 Aluminium and aluminium alloys—Determination of nickel content—Dimethylglyoxime spectrophotometric method GB/T 6987.15-2001 Aluminium and aluminium alloys—Determination of nikel content—Flame atomic absorption spectrometric method GB/T 6987.16-2001 Aluminium and aluminium alloys—Determination of magnesium content—CDTA titrimetric method GB/T 6987.17-2001 Aluminium and aluminium alloys—Determination of magnesium content—Flame atomic absorption spectrometric method GB/T 6987.18-2001 Aluminium and aluminium alloys—Determination of chromium content—Flame atomic absorption spectrometric method GB/T 6987.19-2001 Aluminium and aluminium alloys—Determination of zirconium content—Xylenol orange spectro photometric method GB/T 6987.20-2001 Aluminium and aluminium alloys—Determination of gallium content—Butyrhodamine B spectrophotometric method GB/T 6987.21-2001 Aluminum and aluminum alloys—Determination of calcium content—Flame atomic absorption spectrometric method GB/T 6987.22-2001 Aluminium and aluminium alloys—Determination of beryllium content—SCR spectrophotometric method GB/T 6987.23-2001 Aluminium and aluminium alloys—Determination of antimony content—Potassium iodide spectrophotometric method GB/T 6987.24-2001 Aluminium and aluminium alloys—Determination of the cerium subgroup of rare earth elements content—Tribromoarsenazo spectrophotometric method GB/T 6987.25-2001 Aluminum and aluminum alloys—Determination of cadmium content—Flame atomic absorption spectrometric method GB/T 6987.26-2001 Aluminium and aluminium alloys—Determination of lithium content—Flame atomic absorption spectrometric method GB/T 6987.27-2001 Aluminium and aluminium alloys—Determination of boron content—Ion selective electrode method GB/T 6987.28-2001 Aluminium and aluminium alloys—Determination of strontium content—Flame atomic absorption spectrometric method GB/T 6987.29-2001 Aluminium and aluminium alloys—Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometric method GB/T 6987.30-2001 Aluminium and aluminium alloys—Determination of chromium content—Diphenyicarbazide spectrophotometry method after extraction GB/T 6987.31-2001 Aluminium and aluminium alloys—Determination of titanium content—Hydrogen peroxide spectrophotometric method GB/T 6987.32-2001 Aluminium and aluminium alloys—Determination of total rare earth contents—Rare earth oxalate gravimetric method 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