GB/T 20928-2007
Seamless inner grooved copper tube (English Version)

Standard No.

GB/T 20928-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2021-08

Replace By

GB/T 20928-2020

Latest

GB/T 20928-2020

Replace

YS/T 440-2001

Scope

This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation and storage of seamless internally threaded copper pipes. This standard applies to seamless internal thread copper pipes for air conditioning and refrigeration.

GB/T 20928-2007 Referenced Document

• GB/T 228-2002 Metallic materials--Tensile testing at ambient temperature
• GB/T 242 Metal materials.Tube.Drift-expending test*， 2007-07-18 Update
• 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*， 2008-06-17 Update
• GB/T 5121.10 Methods for chemical analysis of copper and copper alloys.Part 10: Determination of tin content*， 2008-06-17 Update
• GB/T 5121.11 Methods for chemical analysis of copper and copper alloys.Part 11:Determination of zinc content*， 2008-06-17 Update
• GB/T 5121.12 Methods for chemical analysis of copper and copper alloys.Part 12:Determination of antimony content*， 2008-06-17 Update
• GB/T 5121.13 Methods for chemical analysis of copper and copper alloys.Part 13:Determination of aluminium content*， 2008-06-17 Update
• GB/T 5121.14 Methods for chemical analysis of copper and copper alloys.Part 14:Determination of manganese content*， 2008-06-17 Update
• GB/T 5121.15 Methods for chemical analysis of copper and copper alloys.Part 15:Determination of cobalt content*， 2008-06-17 Update
• GB/T 5121.16 Methods for chemical analysis of copper and copper alloys.Part 16:Determination of chromium content*， 2008-06-17 Update
• GB/T 5121.17 Methods for chemical analysis of copper and copper alloys.Part 17:Determination of beryllium content*， 2008-06-17 Update
• GB/T 5121.18 Methods for chemical analysis of copper and copper alloys.Part 18:Determination of magnesium content*， 2008-06-17 Update
• GB/T 5121.19 Methods for chemical analysis of copper and copper alloys.Part 19:Determination of silver content*， 2008-06-17 Update
• GB/T 5121.2 Methods for chemical analysis of copper and copper alloys.Part 2:Determination of phosphorus content*， 2008-06-17 Update
• GB/T 5121.20 Methods for chemical analysis of copper and copper alloys.Part 20:Determination of zirconium content*， 2008-06-17 Update
• GB/T 5121.21 Methods of chemical analysis of copper and copper alloys - Part 21: Determination of titanium content*， 2008-06-17 Update
• GB/T 5121.22 Methods for chemical analysis of copper and copper alloys.Part 22: Determination of cadmium content*， 2008-06-17 Update
• GB/T 5121.23 Methods for chemical analysis of copper and copper alloys.Part 23:Determination of silicon content*， 2008-06-17 Update
• GB/T 5121.24 Methods for chemical analysis of copper and copper alloys.Part 24:Determination of selenium and tellurium content*， 2008-06-17 Update
• GB/T 5121.25 Methods for chemical analysis of copper and copper alloys.Part 25:Determination of boron content*， 2008-06-17 Update
• GB/T 5121.26 Methods for chemical analysis of copper and copper alloys.Part 26:Determination of mercury content*， 2008-06-17 Update
• GB/T 5121.27 Methods for chemical analysis of copper and copper alloys.Part 27:The inductively coupled plasma atomic emission spectromertric method*， 2008-06-17 Update
• 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*， 2008-06-17 Update
• GB/T 5121.4 Methods for chemical analysis of copper and copper alloys.Part 4:Determination of carbon and sulfur content*， 2008-06-17 Update
• GB/T 5121.5 Methods for chemical analysis of copper and copper alloys.Part 5: Determination of nickel content*， 2008-06-17 Update
• GB/T 5121.6 Methods for chemical analysis of copper and copper alloys.Part 6:Determination of bismuth content*， 2008-06-17 Update
• GB/T 5121.7 Methods for chemical analysis of copper and copper alloys.Part 7: Determination of arsenic content*， 2008-06-17 Update
• GB/T 5121.8 Methods for chemical analysis of copper and copper alloys.Part 8:Determination of oxygen content*， 2008-06-17 Update
• GB/T 5121.9 Methods for chemical analysis of copper and copper alloys.Part 9:Determination of iron content*， 2008-06-17 Update
• GB/T 5231 Designation and chemical composition of wrought copper and copper alloys*， 2022-03-09 Update
• GB/T 5248 Copper and copper alloy seamless pipe eddy current flaw detection method*， 2017-07-01 Update
• 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 20928-2007 history

• 2020 GB/T 20928-2020 Seamless inner grooved copper tube
• 2007 GB/T 20928-2007 Seamless inner grooved copper tube

GB/T 20928-2007 Seamless inner grooved copper tube has been changed from YS/T 440-2001 Inner grooved copper tube.