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GB/T 29094-2012 PDF English

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GB/T 29094-2012: Temper designations for copper and copper alloys
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GB/T 29094-2012150 Add to Cart Auto, 9 seconds. Temper designations for copper and copper alloys Valid

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GB/T 29094-2012: Temper designations for copper and copper alloys

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT29094-2012
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.150.30 H 62 Temper designations for copper and copper alloys Issued on. DECEMBER 31, 2012 Implemented on. OCTOBER 1, 2013 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China.

Table of Contents

Foreword... 3 1 Scope... 4 2 Basic principles... 4 3 Temper designations... 4 Annex A (Informative) Cross references between new and old temper codes ... 13

Foreword

This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard modifies and adopts the United States ASTM B601-2009, Standard classification for temper designations for copper and copper alloys - wrought and cast. The difference between this Standard and ASTM B601-2009, Standard classification for temper designations for copper and copper alloys - wrought and cast, are as follows. -- in M tempers (as manufactured tempers), M08 (as low-pressure cast) is added in this Standard than the ASTM standard; -- in OS tempers (annealed tempers, with grain size prescribed), OS030 temper (with nominal average grain size 0.30 mm) is added in this Standard than in the ASTM standard; -- in TD tempers (solution heat-treated + cold-worked), TD08 temper (solution heat- treated and cold-worked to spring) is added in this Standard than in the ASTM standard; -- in TH tempers (solution heat-treated + cold-worked + precipitation hardened), TH08 temper (spring + precipitation hardened) is added in this Standard than in the ASTM standard. This Standard shall be under the jurisdiction of the National Technical Committee 243 on Nonferrous Metals of Standardization Administration of China (SAC/TC 243). The responsible drafting organizations of this Standard. Zhejiang Hailiang Co., Ltd., CHINALCO Luoyang Copper Co., Ltd., CHINALCO Shenyang Nonferrous Metal Processing Co., Ltd., Nongbo Powerway Alloy Material Co., Ltd., China Nonferrous Metal Industry Research Institute of Quality, Metrology and Quality. The participating drafting organizations of this Standard. CHINALCO Shanghai Copper Co., Ltd., Shenzhen GEM Co., Ltd. The main drafters of this Standard. Cao Jianguo, Yang Lijuan, Wei Lianyun, Zhao Wanhua, Wang Yanjie, Cai Jihua, Yan Li, Shao Shengzhong, Liu Yong, Zhu Yingli, Zhao Baohong, Wang Yunsong, Cao Hui. Temper designations for copper and copper alloys

1 Scope

This Standard specifies the basic principles and methods for temper designations for copper and copper alloys. This Standard applies to copper and copper alloy products.

2 Basic principles

2.1 Temper designations for copper and copper alloys are classified into three classes. 2.2 The first-class temper is expressed using a capitalized English letter, representing the basic production mode of products. 2.3 One Arabic numeral or one capitalized English letter, added after the first-class temper, expresses the second-class temper, representing the functions or specific production process of products.

3 Temper designations

3.1 Designations for the first-class tempers 3.1.1 M -- as-manufactured tempers Applicable to tempers produced in the product by the primary manufacturing operations of casting or hot working. 3.2 Designations for the second- and third-class tempers 3.2.1 Designations for the second- and third-class tempers of as-manufactured tempers (M) The designations for the second- and third-class tempers of as-manufactured tempers shall be as specified in Table 1. 3.2.2 Designations for the second- and third-class tempers of cold-worked tempers (H) 3.2.4 Designations for the second- and third-class tempers of heat-treated tempers (T) The designations for the second- and third-class tempers of heat-treated tempers (T) shall be as specified in Table 7.

Annex A

(Informative) Cross references between new and old temper codes ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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