General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 33230-2016
Scope
This standard specifies the terms and definitions, requirements, test methods, inspection rules and signs, packaging, transportation, storage, and quality certificates and purchase orders (or contracts) for aluminum and aluminum alloy porous microchannel flat tube profiles. This standard applies to aluminum and aluminum alloy porous microchannel flat tube profiles with flat shape, cross-sectional height not greater than 3.5 mm, plane wall thickness not greater than 0.45 mm, and single channel hydraulic diameter not greater than 1.0 mm (hereinafter referred to as flat tube ).
GB/T 33230-2016 Referenced Document
GB/T 12608 Thermal spraying Wires,rods and cords for flame and arc spraying Classification and technical supply condition
GB/T 12689.1 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry
GB/T 12689.10 The methods for chemical analysis of zinc and zinc alloys-The determination of tin content-The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
GB/T 12689.11 The methods for chemical analysis of zinc and zinc alloys-The determination of lanthanum and cerium contents-The tri-bromide arsenazo spectrophotometric method
GB/T 12689.12 The methods for chemical analysis of zinc and zinc alloys-The determination of lead,cadmium,iron,copper,tin,aluminium,arsenic,stibium,magnesium lanthanum and cerium contents-The inductively coupled plasma-optical emission spectrometric method
GB/T 12689.13 Zinc and zinc alloys--Determination of aluminium content--Electrothermal atomic absorption spectrometric method
GB/T 12689.14 Zinc and zinc alloys--Determination of aluminium content--Chromazurol S spectrophotometric method
GB/T 12689.2 The methods for chemical analysis of zinc and zinc alloys-The determination of arsenic content-The atomic fluorescence spectrometer method
GB/T 12689.3 The methods for chemical analysis of zinc and zinc alloys-The determination of cadmium content-The flame atomic absorption spectrometric method
GB/T 12689.4 The methods for chemical analysis of zinc and zinc alloys-The determination of copper content-The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
GB/T 12689.5 The methods for chemical analysis of zinc and zinc alloys-The determination of iron content-The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method
GB/T 12689.6 The methods for chemical analysis of zinc and zinc alloys-The determination of lead content-The oscillopolarographic method
GB/T 12689.7 Methods for chemical analysis of zinc and zinc alloys—Part 7:Determination of magnesium content—Flame atomic absorption spectrometric method
GB/T 12689.8 The methods for chemical analysis of zinc and zinc alloys-The determination of silicon content-The molybdenum blue spectrophotometric method
GB/T 12689.9 The methods for chemical analysis of zinc and zinc alloys-The determination of antimony content-The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method
GB/T 14846 Tolerances on dimensions and form of aluminium and aluminium alloy extruded profiles
GB/T 15560 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids
GB/T 16865 Specimens and methods for tensile testing of deformed aluminum, magnesium and their alloy processed products*， 2023-08-06 Update
GB/T 16921 Metallic coatings.Measurement of coating thickness.X-ray spectrometric methods
GB/T 17432 Methods for sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys
GB/T 20975.1 Methods for chemical analysis of aluminium and aluminium alloys.Part 1:Determination of mercury content*， 2018-05-14 Update
GB/T 20975.10 Methods for chemical analysis of aluminium and aluminium alloys—Part 10：Determination of tin content*， 2020-06-02 Update
GB/T 20975.11 Methods for chemical analysis of aluminium and aluminium alloys—Part 11：Determination of lead content*， 2018-05-14 Update
GB/T 20975.12 Methods for chemical analysis of aluminium and aluminium alloys—Part 12: Determination of titanium content*， 2020-06-02 Update
GB/T 20975.13 Methods for chemical analysis of aluminium and aluminium alloys—Part 13：Determination of vanadium content*， 2020-11-19 Update
GB/T 20975.14 Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickel content*， 2020-06-02 Update
GB/T 20975.15 Methods for chemical analysis of aluminium and aluminium alloys—Part 15：Determination of boron content*， 2020-11-19 Update
GB/T 20975.16 Methods for chemical analysis of aluminium and aluminium alloys—Part 16：Determination of magnesium content*， 2020-06-02 Update
GB/T 20975.17 Methods for chemical analysis of aluminium and aluminium alloys—Part 17: Determination of strontium content*， 2020-09-29 Update
GB/T 20975.18 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content*， 2020-06-02 Update
GB/T 20975.19 Methods for chemical analysis of aluminium and aluminium alloys—Part 19：Determination of zirconium content*， 2020-11-19 Update
GB/T 20975.2 Methods for chemical analysis of aluminium and aluminium alloys.Part 2:Determination of arsenic content*， 2018-05-14 Update
GB/T 20975.20 Methods for chemical analysis of aluminium and aluminium alloys—Part 20：Determination of gallium content—Butyrhodamine B spectrophotometric method*， 2020-11-19 Update
GB/T 20975.21 Methods for chemical analysis of aluminium and aluminium alloy—Part 21: Determination of calcium content*， 2020-09-29 Update
GB/T 20975.22 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content*， 2020-06-02 Update
GB/T 20975.23 Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content*， 2020-06-02 Update
GB/T 20975.24 Methods for chemical analysis of aluminium and aluminium alloys—Part 24：Determination of total rare earth content*， 2020-06-02 Update
GB/T 20975.25 Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method*， 2020-06-02 Update
GB/T 20975.26 Methods for chemical analysis of aluminium and aluminium alloys—Part 26：Determination of carbon content—Infrared absorption method
GB/T 20975.27 Methods for chemical analysis of aluminium and aluminium alloys.Part 27:Determination of cerium, lanthanum, scandium.Inductively coupled plasma atomic emission spectrometry method*， 2018-05-14 Update
GB/T 20975.28 Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry*， 2019-06-04 Update
GB/T 20975.29 Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry*， 2019-06-04 Update
GB/T 20975.3 Methods for chemical analysis of aluminium and aluminium alloys—Part 3：Determination of copper content*， 2020-06-02 Update
GB/T 20975.30 Methods for chemical analysis of aluminium and aluminium alloys—Part 30：Determination of hydrogen content—Heating extraction-thermal conductivity method*， 2019-06-04 Update
GB/T 20975.31 Methods for chemical analysis of aluminium and aluminium alloys—Part 31：Determination of phosphorus content—Molybdenum blue spectrophotometry*， 2019-06-04 Update
GB/T 20975.32 Methods for chemical analysis of aluminium and aluminium alloys—Part 32：Determination of bismuth content*， 2020-11-19 Update
GB/T 20975.33 Methods for chemical analysis of aluminium and aluminium alloys—Part 33：Determination of potassium content—Flame atomic absorption spectrometric method*， 2020-11-19 Update
GB/T 20975.34 Methods for chemical analysis of aluminium and aluminium alloys—Part 34：Determination of sodium content—Flame atomic absorption spectrometric method*， 2020-11-19 Update
GB/T 20975.35 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method*， 2020-06-02 Update
GB/T 20975.36 Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry*， 2020-06-02 Update
GB/T 20975.37 Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content*， 2020-07-21 Update
GB/T 20975.4 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content*， 2020-06-02 Update
GB/T 20975.5 Methods for chemical analysis of aluminium and aluminium alloys—Part 5：Determination of silicon content*， 2020-06-02 Update
GB/T 20975.6 Methods for chemical analysis of aluminium and aluminium alloys—Part 6: Determination of cadmium content*， 2020-09-29 Update
GB/T 20975.7 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content*， 2020-06-02 Update
GB/T 20975.8 Methods for chemical analysis of aluminium and aluminium alloys—Part 8：Determination of zinc content*， 2020-11-19 Update
GB/T 20975.9 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry*， 2020-06-02 Update
GB/T 2523 Measuring method of surface roughness, peak count and waviness for cold-rolled metal sheet and strip*， 2022-07-11 Update
GB/T 3190 Chemical composition of wrought aluminium and aluminium alloys*， 2020-03-31 Update
GB/T 3199 Wrought aluminium and aluminium alloy products Packing, marking, transporting and storing
GB/T 32186-2015 Inspection method for purity of aluminum and aluminum alloy ingots
GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values