YS/T 974: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 974-2025 | English | RFQ |
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Copper and copper alloy strip for composite contact materials
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YS/T 974-2025
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| YS/T 974-2014 | English | 209 |
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Copper and copper alloy strip for compound contacts
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YS/T 974-2014
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Basic data | Standard ID | YS/T 974-2025 (YS/T974-2025) | | Description (Translated English) | Copper and copper alloy strip for composite contact materials | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.30 | | Date of Issue | 2025-04-10 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | YS/T 974-2014 | | Issuing agency(ies) | Ministry of Industry and Information Technology | YS/T 974-2014: Copper and copper alloy strip for compound contacts---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.
Copper and copper alloy strip for compound contacts
ICS 77.150.30
H62
People's Republic of China Nonferrous Metals Industry Standard
Composite contact material with copper and copper alloy strip
Issued on. 2014-10-14
2015-04-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. Shaoxing City of Bo Electric Co., Ltd., color Obote Cu-Al Industry Co., Ltd.
The main drafters of this standard. Xu Gaolei, Yaoyou Fu, Xin Jiang industry, Zhang Xijun, Ren Jing, Qian system, Tahara morning.
Composite contact material with copper and copper alloy strip
1 Scope
This standard specifies the requirements for the composite contact material with copper and copper alloy strip, test methods, inspection rules, marking, packaging, transportation, storage
Storage, quality certificate and contract (purchase order) content.
This standard applies to the composite material contact with copper and copper alloy strip.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 228.1-2010 tensile testing of metallic materials - Part 1. Test method (ISO 6892-1.2009, MOD)
GB/T 351 metal material resistivity measurement method
GB/T 4340.1 Vickers hardness test - Part 1. Test methods
GB/T 5121 (all parts) of copper and copper alloys -
GB/T 5231 Wrought copper and copper alloy chemical composition and shape of the product
GB/T 8888 heavy non-ferrous metal processing products, packaging, labeling, transportation and storage
GB/T 26303.3 copper and copper alloy processing material Dimensions detection plate and strip Part 3
YS/T 478 copper and copper alloy conductivity eddy current testing methods
YS/T 482 copper and copper alloy analysis photoemission spectroscopy
YS/T 483 copper and copper alloy analysis X-ray Fluorescence Spectrometry
YS/T 668 copper and copper alloy physical and chemical detection sampling method
YS/T 815 methods for preparing copper and copper alloy mechanical and technological properties of the sample
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
With thickness difference thetransversethicknessdifference
In the width direction of the center of symmetry of any two points on the strip thickness difference at any one cross section.
4 Requirements
4.1 Categories
4.1.1 strip grades, status, must also comply with the provisions in Table 1.
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