This standard specifies the product classification, requirements, test methods, inspection rules and markings, packaging, transportation, storage, quality certificates and contracts (or order orders) for seamless internally threaded aluminum-clad copper pipes. This standard applies to seamless internally threaded aluminum-clad copper pipes for air conditioning and refrigeration using non-electrolyte as refrigerant.
GB/T 228.1-2010 Metallic materials.Tensile testing.Part 1: Method of test at room temperature
GB/T 242 Metal materials.Tube.Drift-expending test
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 3190 Chemical composition of wrought aluminium and aluminium alloys*， 2020-03-31 Update
GB/T 5121.1 Methods for chemical analysis of copper and copper alloys.Part 1:Determination of copper content
GB/T 5121.10 Methods for chemical analysis of copper and copper alloys.Part 10: Determination of tin content
GB/T 5121.11 Methods for chemical analysis of copper and copper alloys.Part 11:Determination of zinc content
GB/T 5121.12 Methods for chemical analysis of copper and copper alloys.Part 12:Determination of antimony content
GB/T 5121.13 Methods for chemical analysis of copper and copper alloys.Part 13:Determination of aluminium content
GB/T 5121.14 Methods for chemical analysis of copper and copper alloys.Part 14:Determination of manganese content
GB/T 5121.15 Methods for chemical analysis of copper and copper alloys.Part 15:Determination of cobalt content
GB/T 5121.16 Methods for chemical analysis of copper and copper alloys.Part 16:Determination of chromium content
GB/T 5121.17 Methods for chemical analysis of copper and copper alloys.Part 17:Determination of beryllium content
GB/T 5121.18 Methods for chemical analysis of copper and copper alloys.Part 18:Determination of magnesium content
GB/T 5121.19 Methods for chemical analysis of copper and copper alloys.Part 19:Determination of silver content
GB/T 5121.2 Methods for chemical analysis of copper and copper alloys.Part 2:Determination of phosphorus content
GB/T 5121.20 Methods for chemical analysis of copper and copper alloys.Part 20:Determination of zirconium content
GB/T 5121.21 Methods of chemical analysis of copper and copper alloys - Part 21: Determination of titanium content
GB/T 5121.22 Methods for chemical analysis of copper and copper alloys.Part 22: Determination of cadmium content
GB/T 5121.23 Methods for chemical analysis of copper and copper alloys.Part 23:Determination of silicon content
GB/T 5121.24 Methods for chemical analysis of copper and copper alloys.Part 24:Determination of selenium and tellurium content
GB/T 5121.25 Methods for chemical analysis of copper and copper alloys.Part 25:Determination of boron content
GB/T 5121.26 Methods for chemical analysis of copper and copper alloys.Part 26:Determination of mercury content
GB/T 5121.27 Methods for chemical analysis of copper and copper alloys.Part 27:The inductively coupled plasma atomic emission spectromertric method
GB/T 5121.28 Methods for chemical analysis of copper and copper alloys—Part 28：Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry*， 2021-12-31 Update
GB/T 5121.29 Methods for chemical analysis of copper and copper alloys.Part 29:Determination of aluminium oxide content*， 2015-09-11 Update
GB/T 5121.3 Methods for chemical analysis of copper and copper alloys.Part 3:Determination of lead content
GB/T 5121.4 Methods for chemical analysis of copper and copper alloys.Part 4:Determination of carbon and sulfur content
GB/T 5121.5 Methods for chemical analysis of copper and copper alloys.Part 5: Determination of nickel content
GB/T 5121.6 Methods for chemical analysis of copper and copper alloys.Part 6:Determination of bismuth content
GB/T 5121.7 Methods for chemical analysis of copper and copper alloys.Part 7: Determination of arsenic content
GB/T 5121.8 Methods for chemical analysis of copper and copper alloys.Part 8:Determination of oxygen content
GB/T 5121.9 Methods for chemical analysis of copper and copper alloys.Part 9:Determination of iron content
GB/T 5126 Eddy current inspection method for cold drawn thin wall tubes of aluminum and aluminum alloy
GB/T 5231 Designation and chemical composition of wrought copper and copper alloys*， 2022-03-09 Update
GB/T 6394 Determination of estimating the average grain size of metal*， 2017-02-28 Update
GB/T 8888 Wrough heavy non-ferrous metal products-packing,marking, transportation, storing and cetificate of quality*， 2014-12-05 Update
YS/T 482 Analysis methods for copper and copper alloys Spark discharge atomic emission spectrometry*， 2022-09-30 Update
YS/T 668 Sampling methods for physical and chemical testing of copper and copper alloys*， 2020-12-09 Update
YS/T 815 Preparation method of test pieces for mechanical and technological properties of copper and copper alloys
YS/T 961-2014 history
2014YS/T 961-2014 Inner grooved aluminum clad copper tube for air conditioner and refrigeration equipment