This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation and storage, quality certificates and contract (or order) content of copper-nickel alloy seamless pipes for ships. This standard applies to copper-nickel alloy seamless pipes used in marine engineering piping systems such as shipbuilding.
GB/T 26291-2010 Referenced Document
GB/T 241 Metal materials-Tube.Hydrostatic pressure test
GB/T 242 Metal materials.Tube.Drift-expending test
GB/T 26303.1 Measuring method for dimensions and shapes of wrought copper and copper alloy.Part 1: Tube
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 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 5231 Designation and chemical composition of wrought copper and copper alloys*, 2022-03-09 Update
GB/T 5248-2008 Copper and copper alloy-seamless tubes-eddy current testing method
GB/T 8888 Wrough heavy non-ferrous metal products-packing,marking, transportation, storing and cetificate of quality*, 2014-12-05 Update
YS/T 347 Method for determination of average grain size of copper and copper alloys*, 2020-12-09 Update
GB/T 26291-2010 history
2020GB/T 26291-2020 Seamless copper-nickel alloys tube for ships