Standard No.:	GB/T 17791-2017
English Name:	Seamless copper and copper alloys tube forair conditioner and refrigeration equipment
Chinese Name:	空调与制冷设备用铜及铜合金无缝管
Chinese Classification:	H62    Heavy metals and their alloys
Professional Classification:	GB    National Standard
Issued by:	AQSIQ AND SAC
Issued on:	2017-07-12
Implemented on:	2018-2-1
Status:	valid
Superseding:	GB/T 17791-2007 Seamless copper tube for air conditioner and refrigeration equipment
Language:
File Format:	PDF
Price(USD):	300.0
Delivery:	via email in 1 business day

Seamless copper and copper alloys tube for air conditioner and refrigeration equipment 1 Scope This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage and quality certificate, and order (or contract) contents of seamless copper and copper alloys tube for air conditioner and refrigeration equipment. This standard is applicable to seamless copper and copper alloys tubes (hereinafter referred to as “the tube(s)”) for household air conditioners, refrigerators (freezers), small and medium-sized central air conditioners and refrigeration equipment. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 228.1-2010 Metallic materials — Tensile testing — Part 1: Method of test at room temperature GB/T 242 Metallic materials — Tube — Drift expanding test GB/T 246 Metallic materials — Tube — Flattening test GB/T 2828.1 Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 5121 (all parts) Methods for chemical analysis of copper and copper alloys GB/T 5231 Designation and chemical composition of wrought copper and copper alloys GB/T 5248-2016 Electromagnetic (eddy-current) examination of copper and copper alloy seamless tube GB/T 8888 Wrought heavy non-ferrous metal products-packing, marking, transportation, storing and certificate of quality GB/T 23606 Copper-hydrogen embrittlement test method GB/T 26303.1 Measuring method for dimensions and shapes of wrought copper and copper alloy — Part 1: Tube YS/T 347 Copper and copper alloys — Estimation of average grain size YS/T 482 Methods for analysis of copper and copper alloys — The atomic emission spectrometry YS/T 668 Sampling method of physical and chemical testing for copper and copper alloys YS/T 815 Preparation method of test pieces for mechanical and technological properties of copper and copper alloys 3 Requirements 3.1 Product classification 3.1.1 Designation, state and specification The designation, state and specification of the tube shall meet those specified in Table 1. The internal and external diameters of tube coils shall meet those specified in Table 2. Table 1 Designation, state and specification

Foreword i 1 Scope 2 Normative references 3 Requirements 4 Test method 5 Inspection rules 6 Marking, packaging, transportation, storage and quality certificate 7 Order form (or contract) contents Annex A (Normative) Determination method for residues (total amount) on the internal surface of copper tubes Annex B (Informative) Determination method for oil content on internal surface of copper tube Annex C (Informative) Determination method for moisture on internal surface of copper tube Annex D (Informative) Determination method of chloride ion (Cl-) on internal surface of copper tube Annex E (Informative) Analysis method of paraffin on internal surface of copper tube

*GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1 : Method of test at room temperature
*GB/T 242-2007 Metal materials – Tube – Drift-expending test
*GB/T 246-2017 Metallic materials. Tube. Flattening test
*GB/T 2828.1-2012 Sampling procedures for inspection by attributea-Part1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
*GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys
*GB/T 5248-2016 Electromagnetic (eddy-current) examination of copper and copper alloy seamless tube
*GB/T 8888-2014 Wrough heavy non-ferrous metal products-packing,marking,transportation,storing and cetificate of quality
*GB/T 23606-2009 Copper-hydrogen embrittlement test method
*GB/T 26303.1-2010 Measuring method for dimensions and shapes of wrought copper and copper alloy—Part 1:Tube
*YS/T 347-2020
*YS/T 482-2005 for analysis of copper and copper alloys - The atomic emission spectrometry
*YS/T 668-2008 sampling method of physical and chemical testing for copper and copper alloys