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GB/T 1527-2017Drawn tube of copper and copper alloys (English PDF)

铜及铜合金拉制管

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 12, 2017

Implementation date

June 1, 2018

Scope

GB/T 1527-2017 is the English-translated version of 铜及铜合金拉制管.

GB/T 1527-2017 is the Chinese standard for general-purpose drawn tubes of copper and copper alloys, in round and rectangular or square sections. It sets the product classification by designation, temper and size, with a marking example, and requires chemical composition to GB/T 5231 and dimensions and tolerances to GB/T 16866.

It also covers room-temperature mechanical properties, flattening and drift-expanding tests, residual stress, dezincification corrosion resistance and surface quality, with the matching test methods, including eddy-current testing and grain size.

The inspection rules deal with lots of not more than 5000 kg, sampling and the judging of results, and marking, packing, transport, storage and the quality certificate follow GB/T 8888.

It replaces GB/T 1527-2006, was issued on 12 July 2017 and has applied since 1 June 2018.

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Document preview — GB/T 1527-2017

National Standard of the People's Republic of China

ICS: 77.150.30
Classification: H 62
Replacing: GB/T 1527-2006

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

Foreword3
1 Scope5
2 Normative references5
3 Requirements6
4 Test methods12
5 Inspection rules14
6 Marking, packing, transportation, storing, and certificate of quality16
7 Order form (or contract) content16

Foreword

This Standard is drafted in accordance with the rules given in GB/T 1.1-2009.

This Standard replaces GB/T 1527-2006 "Drawn tube of copper and copper alloys". As compared with GB/T 1527-2006, the main technical changes are as follows.

- ADD representation method of alloy code;

- According to the new national standard, MODIFY alloy designation and state;

- ADD high copper TCr1 (C18200) designation and corresponding requirements;

- DELETE 1/3 hard-state products and corresponding requirements;

- MODIFY the wall thickness range of pure copper tubes from "0.5 mm~15 mm" to "0.3 mm~20 mm".

- MODIFY the length specification of the tubes, SEE Table 2;

- MODIFY the mechanical property index of some tubes, SEE Table 3, Table 4;

- ADD the provision that "the inspection method for the overall dimensions of the tubes shall be in accordance with the provisions of GB/T 26303.1";

- ADD the chemical analysis methods of YS/T 482 and YS/T 483;

- According to the provisions of GB/T 228.1-2010, MODIFY the tensile test piece;

- ADD the provisions that "the sampling method shall be in accordance with the provisions of YS/T 668; the preparation of test pieces for mechanical and technological properties shall be carried out in accordance with the provisions of YS/T 815".

1 Scope

This Standard specifies the requirements, test methods, inspection rules, marking, packing, transportation, storing, certificate of quality, and order form (or contract) content, etc. of drawn tube of copper and copper alloys.

This Standard applies to general-purpose round, rectangular (square) copper, and drawn tube of copper alloys (hereafter known as tube for short).

2 Normative references

The following documents are indispensable for the application of this document.

For the dated references, only the versions with the dates indicated are applicable to this document. For the undated references, the latest version (including all the amendments) are applicable to this document.

GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1: Method of test at room temperature

GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method

GB/T 242 Metal materials - Tube - Drift-expending test

GB/T 246 Metal materials - Tube - Flattening test

GB/T 2828.1 Sampling procedures for inspection - Part 1.by acceptance quality limit (AQL) retrieval by Batch inspection sampling plan

GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1: Test method

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

3 Requirements

3.1 Product classification

3.1.1 Designations, states, specifications

The designation, state, and specification of the tubes shall comply with the provisions of Table 1 and Table 2.

3.1.2 Marking example

Product marking is expressed in the order of product name, standard number, designation, state, and specification. Marking examples are as follows. […]

3.2 Chemical composition

The designation and chemical composition of the tubes shall conform to the provisions of the corresponding designation in GB/T 5231.

3.3 Overall dimensions and their permissible deviations

The dimensions and their permissible deviations of the tubes shall conform to the provisions of GB/T 16866.

3.4 Mechanical properties

The longitudinal mechanical properties at room temperature of pure copper, high copper round tubes shall comply with the provisions of Table 3.

3.5 Technological properties

3.5.1 Flattening test or drift-expending test can be carried out on the round tubes at O60 state. There shall be no visible cracks and clefts on the tubes after the test. […]

3.8 Residual stress

After the tube is tested for residual stress, there shall be no visible cracks.

3.9 Dezincification corrosion resistance

The tubes, which have a requirement for corrosion resistance, can be tested for dezincification corrosion resistance. The requirements are determined by negotiation between supplier and demander.

3.10 Surface quality

3.10.1 The inner and outer surfaces of the tube shall be smooth and clean. There shall be no delamination, pinholes, cracks, peeling, bubbles, rough draw bead, inclusions, and other defects which affect the use.

4 Test methods

4.1 Chemical composition

The analysis of chemical composition of the tube shall be conducted in accordance with the provisions of GB/T 5121 (all parts), or YS/T 482, or YS/T 483.

4.2 Overall dimensions and their permissible deviations

The inspection method for the overall dimensions of tube shall be in accordance with the provisions of GB/T 26303.1.

4.3 Mechanical properties

4.4 Technological properties

4.5 Electromagnetic (eddy-current)

The electromagnetic (eddy-current) test of tube shall be conducted in accordance with the provisions of GB/T 5248.

4.6 Grain size

The grain size inspection of tube shall be conducted in accordance with the provisions of YS/T 347.

4.7 Residual stress

4.8 Dezincification corrosion resistance

The inspection method for the dezincification corrosion resistance of tube shall be in accordance with the provisions of GB/T 10119.

4.9 Surface quality

The surface quality of tube shall be inspected by visual method.

5 Inspection rules

5.1 Inspection and acceptance

5.2 Lot grouping

The tubes shall, in lots, be submitted for acceptance. Each lot shall be made up of the same designation, state, and specification. The weight of each lot shall be not greater than 5000 kg.

5.3 Inspection items

5.4 Sampling

Tube sampling shall conform to the provisions of Table 6. The sampling method shall be in accordance with the provisions of YS/T 668. The preparation of test pieces for mechanical and technological properties shall be conducted in accordance with the provisions of YS/T 815.

5.5 Determination of inspection results

5.5.1 When the chemical composition (except for the oxygen content of TU1 and TU2 oxygen-free copper) is unacceptable, this lot of tubes shall be judged as unacceptable.

5.5.2 When the overall dimensions and their permissible deviations and surface quality of tubes are unacceptable, disqualification is judged by piece.

5.5.3 When there are unacceptable test pieces in the test results of oxygen content of TU1 and TU2 oxygen-free copper, mechanical properties, technological properties, grain size, residual stress, and dezincification corrosion resistance, it shall, from this lot of tubes, take double test pieces for repeated tests. If the repeated test results are all qualified, then the whole lot of tubes is judged as qualified.

5.5.4 When electromagnetic (eddy-current) is unacceptable, the single tube is judged as unacceptable.

6 Marking, packing, transportation, storing, and certificate of quality

The marking, packing, transportation, storing, and certificate of quality of tubes shall conform to the provisions of GB/T 8888.

7 Order form (or contract) content

The order form (or contract) for ordering the materials listed in this Standard shall include the following contents. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 5121

Cited by

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

Editions of GB/T 1527

Edition	Title	Revision	Status
GB/T 1527-2017	Drawn tube of copper and copper alloys	current edition	Current
GB/T 1527-2006	Drawn tube of copper and copper alloys	previous edition	Superseded

This page sells the current edition, GB/T 1527-2017. Earlier editions are listed for reference only.

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