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GB/T 33952-2017Copper clad aluminum tube (English PDF)

铜包铝管

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 12, 2017

Implementation date

February 1, 2018

Scope

GB/T 33952-2017 is the English-translated version of 铜包铝管.

GB/T 33952-2017 is the Chinese national standard for copper clad aluminium tube. It gives the terms and definitions, the product classification, the requirements, the test methods, the inspection rules and the provisions on marking, packaging, transport, storage, quality certificate and purchase order or contract.

It applies to copper clad aluminium tube used for non-electrolyte refrigerants in household air conditioners and in small central air conditioning and refrigeration equipment, and for radio frequency cables.

It defines the CCA tube, a tube whose outer layer is copper and whose inner layer is aluminium, the two reaching a metallurgical joint at the interface, and the copper-aluminium metallurgical bond, the metallic bond between the copper and the aluminium atoms at that interface.

It cites GB/T 242, GB/T 246, GB/T 2828.1, GB/T 3190, GB/T 5121 (all parts), GB/T 5231, GB/T 5248, GB/T 6394, GB/T 7999, GB/T 8888, GB/T 17432, GB/T 17791, GB/T 20975 (all parts), GB/T 26303.1, YS/T 668 and YS/T 815.

It carries ICS 77.150.30 and Chinese classification H62, was issued on 12 July 2017 and has applied since 1 February 2018.

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Document preview — GB/T 33952-2017

National Standard of the People's Republic of China

ICS: 77.150.30
Classification: H 62

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions of copper clad aluminum tubes, product classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage Save and quality certificate and purchase order (or contract).

This standard applies to non-electrolyte refrigerant for home air conditioners, small central air conditioning and refrigeration equipment and RF cables and other purposes Copper clad aluminum tube.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 228.1 Tensile testing of metallic materials - Part 1: Test methods at room temperature

GB/T 242 metal pipe flaring test methods

GB/T 246 metal tube flattening test methods

GB/T 2828.1 Sampling procedures for inspection - Part 1: Sampling inspection by batch acceptance inspection by acceptance quality limit (AQL)

GB/T 3190 Deformed aluminum and aluminum alloy chemical composition

GB/T 5121 (all parts) - Methods for chemical analysis of copper and copper alloys

GB/T 5231 processing copper and copper alloy grades and chemical composition

GB/T 5248 copper and copper alloy seamless tube eddy current testing methods

GB/T 6394 metal average grain size determination method

GB/T 7999 aluminum and aluminum alloys direct reading, emission spectrometry methods

GB/T 8888 non-ferrous metal processing products packaging, marking, transport, storage and quality certificate

GB/T 17432 Deformed aluminum and aluminum alloy chemical composition sampling method

GB/T 17791 seamless copper tubes for air conditioning and refrigeration equipment

GB/T 20975 (All parts) - Aluminum and aluminum alloys - Methods of chemical analysis

GB/T 26303.1 copper and copper alloy processing materials Dimensions measuring methods - Part 1: Pipe

YS/T 668 copper and copper alloy physical and chemical detection sampling method

YS/T 815 copper and copper alloys Preparation of mechanical properties and process performance samples

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 CCA tube

Pipe outer layer of copper, the inner layer of aluminum, copper and aluminum at the interface to reach the metallurgical pipe.

3.2 Copper-aluminum metallurgical bond

Copper and aluminum interface for the metal bond between copper and aluminum atoms.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 5121 · GB/T 20975

Similar standards

GB/T 16866-2026|GB/T 32468-2025|GB/T 46017-2025|GB/T 8891-2025|GB/T 11091-2024|GB/T 26311-2024

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