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GB/T 1527-2017 PDF English

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GB/T 1527-2017: Drawn tube of copper and copper alloys
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GB/T 1527: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 1527-2017English145 Add to Cart 0-9 seconds. Auto-delivery Drawn tube of copper and copper alloys Valid
GB/T 1527-2006English439 Add to Cart 3 days Drawn tube of copper and copper alloys Obsolete
GB/T 1527-1997English359 Add to Cart 3 days Drawn tube of copper and copper alloys Obsolete
GB/T 1527-1987EnglishRFQ ASK 3 days Drawing copper tube Obsolete

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GB/T 1527-2017: Drawn tube of copper and copper alloys

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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 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 Group Inc., Jiangsu Cuilong Precision Copper Tube Corporation, Jiangyin New Huahong Copper Co., Ltd., Wuxi Longda Metal Material Co., Ltd., Qingdao Hongtai Copper Co., Ltd, Shandong Zhongjia New Materials Co., Ltd., Shandong Hengyuan Copper Co., Ltd., ShangYu JinYing Copper Co., Ltd., Zhejiang Naile Copper Co., Ltd., La Vida Industrial Co., Ltd., Baiyin Nonferrous Group Co., Ltd.. Main drafters of this Standard. Zhao Wanhua, Guo Huiwen, Lu Yan, Cao Jianguo, Zhao Xuelong, Wei Lianyun, Yang Haili, Wang Xiangdong, Lei Yu, Zhou Haoping, Wang Qiang, Chen Hua, Zhou Xiangdong, Su Dongdong, Li Fupeng, Yang Shuhu, Zhao Qinhai, Peng Yongcong, Yan Zhifu, Liu Haifeng, Sun Lijin, Liang Xingqiang, Luo Qiliang, Liu Jinlong, Zhang Huawei, Long Jia, Deng Yusheng, Liu Shengwei. The previous releases of versions of the standard replaced by this Standard are. - GB/T 1527-1979, GB/T 1527-1987, GB/T 1527-1997, GB/T 1527-2006. 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

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. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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