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加工铜及铜合金牌号和化学成分
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GBT 5231-2022
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标准编号: GB/T 5231-2022 (GB/T5231-2022)
中文名称: 加工铜及铜合金牌号和化学成分
英文名称: Designation and chemical composition of wrought copper and copper alloys
行业: 国家标准 (推荐)
中标分类: H62
国际标准分类: 77.120.30
字数估计: 30,384
发布日期: 2022-03-09
实施日期: 2022-10-01
起草单位: 中铝洛阳铜加工有限公司、浙江海亮股份有限公司、宁波博威合金材料股份有限公司、有色金属技术经济研究院有限责任公司、宁波兴业盛泰集团有限公司、宁波长振铜业有限公司、安徽楚江科技新材料股份有限公司、安徽鑫科铜业有限公司、宁波金田铜业(集团)股份有限公司、江西耐乐铜业有限公司、江苏萃隆精密铜管股份有限公司、江苏隆达超合金股份有限公司、沈阳有色金属加工有限公司、山西春雷铜材有限责任公司、广东精艺金属股份有限公司、中铜华中铜业有限公司、中铝沈阳有色金属加工有限公司、沈阳有色金属研究所有限公司、中色奥博特铜铝业有限公司
归口单位: 全国有色金属标准化技术委员会(SAC/TC 243)
提出机构: 中国有色金属工业协会
发布机构: 国家市场监督管理总局、国家标准化管理委员会
GB/T 5231-2022: 加工铜及铜合金牌号和化学成分
GB/T 5231-2022 英文名称: Designation and chemical composition of wrought copper and copper alloys
1 范围
本文件规定了加工铜及铜合金的牌号和化学成分。
本文件适用于以压力加工方法生产的铜及铜合金加工产品及其所用的铸锭和坯料。
2 规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文
件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于
本文件。
GB/T 8170 数值修约规则与极限数值的表示和判定
GB/T 29091 铜及铜合金牌号和代号表示方法
3 术语及定义
本文件没有需要界定的术语和定义。
4 牌号和代号
4.1 加工铜及铜合金牌号和代号的命名方法按GB/T 29091的规定进行。
4.2 本文件牌号与国外标准相应牌号对照表见附录A。
注:表1~表5中,“C”打头的代号及牌号等同美国ASTM标准的牌号。
5 化学成分
5.1 加工铜及铜合金的牌号和化学成分应符合表1~表5的规定。
5.2 表1~表5中含量有上下限者为合金元素;含量为单个数值者,铜为最低限量,“Cu+所列元素总
和”为最低限量,其他杂质元素为最高限量。
5.3 “所列元素总和”指有极限值规定的元素含量和余量的总和。
5.4 表1~表5中未列出元素的极限值,可由供需双方协商确定。
5.5 表1~表5中的数值修约按GB/T 8170的规定进行,各元素的修约位数应与表1~表5中规定的
极限数位一致,并采用修约值比较法进行判定。
GB/T 5231-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.120.30
CCS H 62
Replacing GB/T 5231-2012
Designation and chemical composition of wrought copper
and copper alloys
ISSUED ON: MARCH 09, 2022
IMPLEMENTED ON: OCTOBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 8
2 Normative references ... 8
3 Terms and definitions... 8
4 Designations and codes ... 8
5 Chemical composition ... 9
Annex A (informative) Comparison between the designations in this document and the
corresponding designations in foreign standards ... 34
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2020
“Directives for standardization - Part 1: Rules for the structure and drafting of
standardizing documents”.
This Standard replaces GB/T 5231-2012 “Designation and chemical composition of
wrought copper and copper alloys”. In this Standard, 213 designations in GB/T 5231-
2012 are kept, 133 designations are added, 346 designations in total. Compared with
GB/T 5231-2012, in addition to structural and editorial changes, the main technical
changes in this Standard are as follows:
a) Add GB/T 29091 as a normative reference (see Chapter 2 of this Edition);
b) Add that “the naming method of the designations and codes of wrought copper
and copper alloys shall be carried out according to the provisions of GB/T 29091”
(see Chapter 4 of this Edition);
c) Delete that "The sum of impurities is the sum of all impurity elements other than
the main components, mainly Ag, As, Bi, Cd, Co, Cr, Fe, Mn, Ni, O, P, Pb, S, Sb,
Se, Si, Sn, Te, Zn and other elements” (see 2.3 of Edition 2012);
d) Delete that "When copper or zinc is the allowance element, the difference between
all the analyzed elements and 100% may be taken" (see 2.4 of Edition 2012);
e) Add that "The sum of the elements listed in 'Cu+' is the minimum limit" (see 5.2
of this Edition); Add that "'The sum of the elements listed' means the sum of the
elemental contents and allowances for which limit values are specified." (see 5.3
of this Edition);
f) Add that "The rounding of numerical values in Tables 1 to 5 shall be carried out
in accordance with the provisions of GB/T 8170. The rounding digits of each
element shall be consistent with the limit digits specified in Tables 1 to 5. The
rounding value comparison method shall be used for judgment" (see 5.5 of this
Edition);
g) The changes to Table 1 are as follows:
1) Add 20 designations and codes of pure copper: TUP0.002, TUP0.003,
TUP0.008, TUAg0.08, T1.5, TAg0.05, TAg0.08, TAg0.2, TSn0.15-0.01,
TSn0.12, TSn0.15, TSn0.3, TSn0.5, TZr0.1, TMg0.15, TMg0.25, TUAl0.15,
TUAl0.25, TUAl0.35, TUAl0.60 (see Table 1 of this Edition);
2) Change "dispersed oxygen-free copper" to "dispersed copper" in the
classification (see Table 1 of this Edition, Table 1 of Edition 2012);
3) Change the code of TMg0.2. Change T18658 to T15615. Change from
"wrought high copper" to "wrought copper" (see Table 1 of this Edition, Table
2 of Edition 2012);
4) Delete the footnotes "Arsenic, bismuth and antimony may not be analyzed,
but the supplier must ensure that it is not greater than the limit value", "The
oxygen content of TU2 of oxygen-free copper for electricians is not more than
0.002%", "Pure copper wire billets for contact materials of electric
locomotives: Bi≤0.0005%, Pb≤0.0050%, O≤0.035%, P≤0.001%, and the sum
of other impurities≤0.03%" (see Table 1 of Edition 2012);
5) Change the footnote from "Conductive T2 copper with P not more than 0.001%
can be supplied through negotiation between the two parties" to "T2 copper P
for conductive use is not more than 0.001%" (see Table 1 of this Edition, Table
1 of Edition 2012);
6) Change the footnote from "This value is Cu+Ag+Te", "This value is
Cu+Ag+Te+P" and "This value is Cu+Ag+S+P" to "This value is the sum of
2012);
h) The changes to Table 2 are as follows:
1) Add 28 designations and codes of high copper alloys: TBe1.9-0.2, TBe0.3-0.5,
TBe0.3-0.7, TBe0.3-1.2, TBe2.4, TBe2.8, TNi0.6-0.2, TNi1.1-0.25, TNi1.3-
0.25, TNi1-1-0.25, TCr0.3-0.2-0.05, TCr0.5-0.15-0.1, TCr0.3-0.15-0.03,
TCr0.3-0.1-0.02-0.03, TCr0.3-0.1-0.02, TCr0. 6. TCr0.9, TMg0.35, TMg0.45,
TMg0.6-0.2, TMg0.3-0.2, TSn2-0.6-0.15, TSn1.5-0.8-0.06, TSn2-0.2-0.06,
TFe5, TFe0. 75. TZn0.9-0.5, TTi3.0 (see Table 2 of this Edition);
2) Add the footnote "This value contains Ag" in the copper content of some
3) Add the provisions of "Sum of copper + listed elements"; Delete the provisions
of “Sum of impurities” (see Table 2 of this Edition, Table 2 of Edition 2012);
i) The changes to Table 3 are as follows:
1) Add 52 designations and codes of brass: H96, H62.5, H60, H58, HCr90-0.3,
HAs65-0.04, HAs63-0.04, HAs63-0.1, HAs62-0.04, HPb65-1.5, HPb63-1.5,
HPb63-1.5-0.6, HPb63-1-0.6, HPb62-1-0.6, HPb62-3.4, HPb61-1.5, HPb61-3,
HPb59-1.8, HPb59-2.8, HPb57-3, HSn88-0.7, HSn88-1, HSn88-2, HSn75-1,
HSn71-1- 0.06, HSn71-1, HSn60-0.8, HSn60-0.4-0.2, HSn60-1-0.04, HSn61-
0.8-1.8, HBi58-1.5, HBi62-1.4-1, HMn61-2-1-0.5, HMn61-2- 1-1, HMn61-3-
3-2-0.8, HMn57-2-2-1, HSi76-3-0.06, HSi68-1.5, HSi68-1, HSi58-1.2,
zinc is not more than 0.2%" (see Table 4 of this Edition, Table 4 of Edition
2012);
5) Delete the footnote that "Arsenic, antimony and bismuth may not be analyzed,
but the supplier must ensure that it is not greater than the threshold value" (see
Table 4 of Edition 2012);
6) Add the footnote that "For QAl10-3-1.5 for diesel engines, the upper limit of
the mass fraction of aluminum can reach 11.0%" (see Table 4 of this Edition);
k) The changes to Table 5 are as follows:
8, BZn8-26, BZn10-25, BZn14-24, BZn12-24-1.1, BZn12-38-2, BSi3.2-0.7,
BSi2-0.45, BSi2- 0.8, BSi7-2-1, BCo19-0.4 (see Table 5 of this Edition);
2) Add the provisions of “Sum of copper + listed elements”; Delete the provisions
of “Sum of impurities” (see Table 5 of this Edition, Table 5 of Edition 2012);
3) Change the footnote from "For B19 cupronickel tape for special purposes,
materials with a mass fraction of silicon not more than 0.05% can be supplied"
to "For B19 cupronickel tape for precision machinery, the mass fraction of
silicon may not exceed 0.05%" (see Table 5 of this Edition, Table 5 of Edition
2012);
but the supplier must ensure that it is not greater than the threshold value", "To
ensure electrical properties, for BMn3-12 alloy, BMn40-1.5 and BMn43-0.5
alloys used for thermocouples, the maximum and minimum components are
specified, and it is allowed to slightly exceed the specifications in the table"
(see Table 5 of Edition 2012).
Attention is drawn to the possibility that some of the elements of this Standard may be
the subject of patent rights. The issuing authority shall not be held responsible for
identifying any or all such patent rights.
This Standard was proposed by China Nonferrous Metals Industry Association.
ferrous Metals of Standardization Administration of China (SAC/TC 243).
The drafting organizations of this Standard: Chinalco Luoyang Copper Processing Co.,
Ltd., Zhejiang Hailiang Co., Ltd., Ningbo Bowei Alloy Materials Co., Ltd., Nonferrous
Metal Technology and Economic Research Institute Co., Ltd., Ningbo Xingye Shengtai
Group Co., Ltd., Ningbo Changzhen Copper Co., Ltd., Anhui Chujiang Technology
New Materials Co., Ltd., Anhui Xinke Copper Co., Ltd., Ningbo Jintian Copper (Group)
Co., Ltd., Jiangxi Naile Copper Co., Ltd., Jiangsu Cuilong Precision Copper Tube Co.,
Designation and chemical composition of wrought copper
and copper alloys
This Standard specifies the designation and chemical composition of wrought copper
and copper alloys.
This Standard applies to wrought copper and copper alloy products produced by press
working and to ingots and billets used therefor.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 8170, Rules of rounding off for numerical values & expression and judgement
GB/T 29091, Copper and copper alloy designation and code system
3 Terms and definitions
There are no terms and definitions that need to be defined in this document.
4 Designations and codes
4.1 The naming method of the designations and codes of wrought copper and copper
alloys shall be carried out in accordance with the provisions of GB/T 29091.
4.2 See Annex A for the comparison table between the designations in this document
and the corresponding designations in foreign standards.
NOTE: In Tables 1 to 5, the codes and designations starting with "C" are equivalent to the
5 Chemical composition
5.1 The designations and chemical compositions of wrought copper and copper alloys
shall comply with the requirements in Tables 1 to 5.
5.2 In Table 1~Table 5, the content with upper and lower limits is the alloying element.
If the content is a single value, copper is the minimum limit, "Cu + sum of listed
elements" is the minimum limit, and other impurity elements are the maximum limit.
5.3 "Sum of listed elements" means the sum of element contents and allowances
specified with limit values.
5.4 The limit values of elements not listed in Tables 1 to 5 can be determined by
5.5 The rounding of values in Tables 1 to 5 shall be carried out according to the
provisions of GB/T 8170. The rounding digits of each element shall be consistent with
the limit digits specified in Table 1~Table 5. The rounding value comparison method is
used for judgement.
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