GB/T 29094-2012 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 29094-2012 | English | 150 |
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Temper designations for copper and copper alloys
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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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