YS/T 974-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 974-2025	RFQ	ASK	3 days	Copper and copper alloy strip for composite contact materials	Valid
YS/T 974-2014	209	Add to Cart	3 days	Copper and copper alloy strip for compound contacts	Valid

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Older Standard (superseded by this standard): YS/T 974-2014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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