Chinese Standard: 'GB/T 1527-2017'
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Drawn tube of copper and copper alloys
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GB/T 1527-2017
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| Standard ID | GB/T 1527-2017 (GB/T1527-2017) | | Description (Translated English) | Drawn tube of copper and copper alloys | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.30 | | Word Count Estimation | 11,127 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-06-01 | | Older Standard (superseded by this standard) | GB/T 1527-2006 | | Quoted Standard | GB/T 228.1-2010; GB/T 231.1; GB/T 242; GB/T 246; GB/T 2828.1; GB/T 4340.1; GB/T 5231; GB/T 5248; GB/T 8888; GB/T 10119; GB/T 10567.1; GB/T 10567.2; GB/T 16866; GB/T 26303.1; YS/T 347; YS/T 482; YS/T 483; YS/T 668; YS/T 815; GB/T 5121.1; GB/T 5121.2 | | Drafting Organization | Zhongyang Luoyang Copper Co., Ltd., Zhejiang HaiLiang Co., Ltd., Jinlong Precision Copper Tube Group Co., Ltd., Jiangsu Cilonglong Precision Copper Tube Co., Ltd., Jiangyin Xinhua Hong Copper Co., Ltd., Wuxi Ronda Metal Material Co., Qingdao Hongtai Copper Co., Ltd., Shandong Zhongjia New Material Co., Ltd., Shandong Hengyuan Copper Co., Ltd., Shangyu Jinying Copper Co., Ltd., Zhejiang Feile Copper Co., Ltd., Bai Lu Da (Xiamen) Industrial Co., Ltd., Group Co., Ltd | | Administrative Organization | National Standardization Technical Committee for Nonferrous Metals (SAC / TC 243) | | Proposing organization | China Nonferrous Metals Industry Association | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee | | Summary | This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and order (or contract) of copper and copper alloy drawing pipes. This standard applies to general purpose round, square (square) shaped copper and copper alloy drawn pipe (hereinafter referred to as pipe). | GB/T 1527-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.150.30
H 62
Replacing GB/T 1527-2006
Drawn tube of copper and copper alloys
铜及铜合金拉制管
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. JUNE 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword . 3
1 Scope .. 5
2 Normative references . 5
3 Requirements . 6
4 Test methods . 12
5 Inspection rules .. 14
6 Marking, packing, transportation, storing, and certificate of quality . 16
7 Order form (or contract) content . 16
Foreword
This Standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB 1527-2006 [should be. 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”.
This Standard was proposed by China Non-Ferrous Metals Industry Association.
This Standard shall be under the jurisdiction of China National Technical
Committee for Non-Ferrous Metals Standardization (SAC/TC 243).
Responsible drafting organizations of this Standard. Chinalco Luoyang Copper
Co., Ltd., Zhejiang Hailiang Co., Ltd., Golden Dragon Precise Copper Tube
Drawn tube of copper and copper alloys
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
GB/T 5231 Designation and chemical composition of wrought copper and
copper alloys
GB/T 5248 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 10119 Determination of dezincification corrosion resistance of brass
GB/T 10567.1 Wrought copper and copper alloys - Detection of residual
stress - Mercury nitrate test
GB/T 10567.2 Wrought copper and copper alloys - Detection of residual
stress - Ammonia test
GB/T 16866 Dimensions and tolerances of copper and copper alloy
seamless tubes
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 483 Methods for analysis of copper and copper alloys - X-Ray
fluorescence spectrometric (wavelength dispersive)
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 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.
Example 1. A round tube made of T2 (T11050), at O60 (softening annealing)
state, with an outer diameter of 20 mm, and a wall thickness of 0.5 mm is
marked as.
Round copper tube GB/T 1527-T2 O60-ϕ20×0.5
Or Round copper tube GB/T 1527-T11050 O60-ϕ20×0.5
Example 2. A rectangular tube made of H62 (T27600), at O82 (ANNEAL to 1/2
hard) state, with a long side of 20 mm, a short side of 15 mm, and a wall
thickness of 0.5 mm is marked as.
Rectangular copper tube GB/T 1527-H62O82-20×15×0.5
Or Rectangular copper tube GB/T 1527-T27600O82-20×15×0.5
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. The content of As of
HAs65-0.04 designation is 0.03%~0.06%. The content of other elements is the
same as that of H65 designation.
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. The
mechanical properties at room temperature of pure copper, high copper
rectangular (square) tubes are determined by negotiation between supplier and
demander. The longitudinal mechanical properties at room temperature of
brass, cupronickel tubes shall comply with the provisions of Table 4.
(O60), and light annealing (O50) states. The average grain size of tube is
determined by negotiation between supplier and demander.
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.
3.10.2 It is allowed that, there are minor, localized defects such as fine
scratches, pits, indentations, and spots, which do not cause the outer diameter
and wall thickness of the tube to exceed the permissible deviations, on the
surface of tube. Minor straightening and turning traces, ring traces......
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