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GB/T 24269-2009 English PDF

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GB/T 24269-2009: Specification for CuCrFe electric contact material
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GB/T 24269-2009English139 Add to Cart 3 days [Need to translate] Specification for CuCrFe electric contact material Valid GB/T 24269-2009

PDF similar to GB/T 24269-2009


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Basic data

Standard ID GB/T 24269-2009 (GB/T24269-2009)
Description (Translated English) Specification for CuCrFe electric contact material
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K14
Classification of International Standard 29.120.99
Word Count Estimation 6,688
Date of Issue 2009-06-19
Date of Implementation 2010-02-01
Regulation (derived from) Announcement of Newly Approved National Standards No. 9, 2009 (No. 149 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the copper-chromium (45) Iron (5) electrical contacts (hereinafter referred to as electrical contacts) the technical requirements, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to the production of vacuum impregnation electrical contacts. This product is mainly used in the vacuum switch vacuum interrupter.

GB/T 24269-2009: Specification for CuCrFe electric contact material

---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.
Specification for CuCrFe electric contact material ICS 29.120.99 K14 National Standards of People's Republic of China Ferrochrome copper electrical contacts Posted 2009-06-19 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee for Electrotechnical alloy (SAC/TC228) centralized. This standard is drafted by. Guilin Electrical Apparatus Research Institute, Wenzhou Hongfeng Electrical Alloy Co., Ltd. Participated in the drafting of this standard. Shaanxi Strip Industrial Co., Ltd., Shaanxi Baoguang Vacuum Electric Co., Ltd. The main drafters of this standard. Sectors that Undermine Xieyong Zhong, Chen, Wang Xiaojun, Zhao Jun, Wang Wenjing, Zhang Lan, Feng Cui too. Ferrochrome copper electrical contacts

1 Scope

This standard specifies the copper-chromium (45) iron (5) electrical contacts (hereinafter referred to as electrical contacts) technical requirements, test methods, inspection rules, marks, Packaging, transport and storage. This standard applies to the use of vacuum impregnation production of electrical contacts. The products are mainly used vacuum switch vacuum interrupter.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample Program (ISO 2859-1.1999, IDT) GB/T 5587 silver-based contact materials basic shapes, dimensions, symbols and standards JB/T 5351 vacuum switch contact material basic performance test method JB/T 6237.3 electrical contact material silver chemical analysis - Part 3. Phenanthroline spectrophotometric determination of iron content JB/T 7098 copper chromium contact material and technical conditions JB/T 8443 (all parts), copper-chromium contact materials for chemical analysis method JB/T 8985 electrical contact material microstructure examination method Grades 3 and Size 3.1 Significance of symbols represented brands Meaning grades symbol shown in Figure 1. Cu  copper symbol Cr  chromium symbol (45 Chromium content, % Fe  iron symbol (5  Mass fraction of iron, % Figure 1 3.2 Size Electrical contacts Size agreed by both parties. 4. Technical Requirements 4.1 Dimensions and Tolerances Specific electrical contacts the dimensions and tolerances agreed by both parties. 4.2 Appearance 4.2.1 electrical contacts end surface and outer surface after machining, are not allowed scratches, dents, porosity, inclusions, cracks, and other defects off the block.

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