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GB/T 34497-2023: Copper and copper alloy strip and foil for terminal connectors
Status: Valid GB/T 34497: Evolution and historical versions
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| GB/T 34497-2023 | English | 529 |
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Copper and copper alloy strip and foil for terminal connectors
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GB/T 34497-2023
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| GB/T 34497-2017 | English | 320 |
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Copper and copper alloy strip and foil for terminals and connectors
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GB/T 34497-2017
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Basic data | Standard ID | GB/T 34497-2023 (GB/T34497-2023) | | Description (Translated English) | Copper and copper alloy strip and foil for terminal connectors | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.30 | | Word Count Estimation | 26,218 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Older Standard (superseded by this standard) | GB/T 34497-2017 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 34497-2023: Copper and copper alloy strip and foil for terminal connectors---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 77:150:30
CCSH62
National Standards of People's Republic of China
Replace GB/T 34497-2017
Copper and copper alloy foil materials for terminal connectors
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document replaces GB/T 34497-2017 "Copper and Copper Alloy Strip Foil Materials for Terminal Connectors": Compared with GB/T 34497-2017,
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) The representation of individual grades/codes has been changed, and the grades TSn0:1, TBe2:0, TSi1-0:25, and QSn10-0:3 have been changed to TSn0:12,
TBe2, TNi1:3-0:25, QSn10-0:2, change the code names C17000, C17200, T18865, and C75210 to T17700, respectively:
T17720, T18664, C75200 (see 4:1, 4:1:1 of the:2017 version);
b) The width requirements of individual grades have been changed: The widths of HSn77-1, HSn75-1, HSn88-1, HSn88-2 and QSn10-0:2 are changed from
10mm~410mm is modified to 10mm~620mm (see 4:1, 4:1:1 of the:2017 version);
c) The supply status of TZr0:1 has been changed from cold working status (H status) to solid solution heat treatment cold working precipitation heat treatment status
(TH state) (see 4:1, 4:1:1 of the:2017 version);
d) Deleted the chemical composition list (see Table 2 of the:2017 version);
e) Added TCr1-0:15, HSn88-0:7, QSn2-0:2, QSn2-0:1-0:03 grades, mechanical properties of foil materials, and 90° bending test
Conditions, electrical properties and bending stress relaxation properties (see 4:1, 5:3~5:6);
f) Deleted the plate shape requirements and test methods (see 4:3:7 and 5:2:2 of the:2017 edition);
g) Added flatness requirements and test methods (see 5:2:7 and 6:2);
h) Changed T2, TP2, TNi1:3-0:25, TSn2-0:6-0:15, TSn1:5-0:8-0:06, H65, H66, H70, H85, QSn6:5-0:1,
Some mechanical property requirements of QSn6:5-0:4, QSn8-0:3, BSi2-0:45, BZn18-18, BZn18-26 (see 5:3,:2017 version
4:4);
i) Added T2, TP2, TSn0:12, TZr0:1, TBe2, TMg0:5, TNi1:3-0:25, TSn1:5-0:8-0:06, TSn2-0:6-0:15,
TSn2-0:2-0:06, TFe0:75, H85, H80, H68, HSn71-1, HSn75-1, HSn88-1, QSn4-0:15-0:10-0:03,
90° bending test conditions for QSn10-0:2, BZn18-18, BZn18-26, and BSi2-0:45 (see 5:4);
j) Added bends for T2, TNi1:3-0:25, TFe2:5, QSn4-0:3, QSn6:5-0:1, QSn8-0:3, BSi3:2-0:7, BSi2-0:45
Curvature stress relaxation properties (see 5:6);
k) The mechanical property test method has been changed (see 6:3, 5:3 of the:2017 edition);
l) The electrical performance test method has been changed (see 6:5, 5:5 of the:2017 edition);
m) The bending stress relaxation test method has been changed (see 6:6, 5:6 of the:2017 edition);
n) Changed the sampling requirements for mechanical properties and process properties (see 7:4, 6:4 of the:2017 edition):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by the China Nonferrous Metals Industry Association:
This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243):
This document was drafted by: Ningbo Xingye Shengtai Group Co:, Ltd:, Anhui Xinke Copper Co:, Ltd:, Anhui Chujiang High Precision Copper Strip Co:, Ltd:
Company, Zhejiang Zhetong Five Star Metal Materials Co:, Ltd:, Ningbo Xingye Xintai New Electronic Materials Co:, Ltd:, Shanghai Five Star Copper Co:, Ltd:
Division, Taiyuan Jinxi Chunlei Copper Co:, Ltd:, Kemeilong Precision Copper Strip (Henan) Co:, Ltd:, Suzhou Jinjiang Electronic Technology Co:, Ltd:, Ningbo
Xinyue Alloy Materials Co:, Ltd:, Tongling Nonferrous Metals Group Co:, Ltd: Jinwei Copper Branch, China Nonferrous Metals Zhengrui (Shandong) Copper Co:, Ltd:
company:
The main drafters of this document: Hu Mingli, Liu Feng, Ma Jimiao, Luo Yi, Wang Sheng, Sun Honggang, Chen Jun, Zhu Weikang, Ma Li, Yang Lijiao, Guo Yuhui,
Lu Changjian, Han Tan, Hu Tongsheng, Guo Lili, Men Yuhang, Mao Yaodong, Wen Zhiling, Wu Xiaolong, Jiang Qiaofu, Chen Haiqing, Wang Shaohua, Liu Aikui,
Xu Yingchun, Wang Zhiping, Wang Lei, Zhang Ying, Yu Yixiang, Chen Jiacheng, Wan Xiangyang, Pang Yongjie:
This document was first published in:2017 and this is the first revision:
Copper and copper alloy foil materials for terminal connectors
1 Scope
This document specifies the classification and marking, technical requirements, test methods, inspection rules, and standards of copper and copper alloy strips and foils for terminal connectors:
Logging, packaging, transportation, storage, accompanying documents and order form content:
This document applies to copper and copper alloy foil materials for terminal connectors (hereinafter referred to as "foil materials"):
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 232 Bending test method for metal materials
GB/T 351 Measurement method of resistivity of metallic materials
GB/T 4340:1 Vickers hardness test of metallic materials Part 1: Test methods
GB/T 5121 (all parts) Chemical analysis methods for copper and copper alloys
GB/T 5231 Processed copper and copper alloy grades and chemical composition
GB/T 8170 Numerical rounding rules and expression and determination of limit values
GB/T 8888 Packaging, marking, transportation, storage and quality certificate of heavy non-ferrous metal processing products
GB/T 26303:3 Methods for testing dimensions of copper and copper alloy processed materials - Part 3: Plate and strip
GB/T 32791 Eddy current test method for electrical conductivity of copper and copper alloys
GB/T 34505-2017 Room temperature tensile test method for copper and copper alloy materials
GB/T 39152 Bending stress relaxation test method for copper and copper alloys
YS/T 482 Analysis methods for copper and copper alloys Spark discharge atomic emission spectrometry
YS/T 483 Analysis method for copper and copper alloys X-ray fluorescence spectrometry (wavelength dispersion type)
YS/T 668 Sampling method for physical and chemical testing of copper and copper alloys
3 Terms and definitions
There are no terms or definitions to be defined in this document:
4 Classification and tagging
4:1 Product classification
The grade, code, status, and specifications of the foil material should comply with the provisions of Table 1:
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