GB/T 5588-2017 English PDFUS$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 5588-2017: Technical specification for silver-nickel, silver-iron electrical contacts Status: Valid GB/T 5588: Historical versions
Basic dataStandard ID: GB/T 5588-2017 (GB/T5588-2017)Description (Translated English): Technical specification for silver-nickel, silver-iron electrical contacts Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K14 Classification of International Standard: 29.120.99 Word Count Estimation: 12,130 Date of Issue: 2017-11-01 Date of Implementation: 2018-05-01 Older Standard (superseded by this standard): GB/T 5588-2002 Regulation (derived from): National Standard Announcement 2017 No. 29 Issuing agency(ies): General Administration of Quality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 GB/T 5588-2017: Technical specification for silver-nickel, silver-iron electrical 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.Technical specification for silver-nickel, silver-iron electrical contacts ICS 29.120.99 K14 National Standards of People's Republic of China Replacing GB/T 5588-2002 Silver nickel, silver iron contact technical conditions Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Requirements 1 3.1 surface quality 1 3.2 Dimensions and tolerances 3.3 Representative symbols, chemical composition and mechanical properties 1 3.4 microstructure and metallographic defects 2 4 test methods 2 4.1 surface quality 2 4.2 Size and tolerance 2 4.3 chemical composition and mechanical properties 2 4.4 microstructure and metallographic defects 3 5 inspection rules 3 5.1 Batch 3 5.2 test items and their order 3 5.3 Sampling and pass judgment 3 5.4 Explanations 3 6 logo, packaging, transportation, storage and certification 4 6.1 mark 4 6.2 Packaging 4 6.3 Transportation 4 6.4 Storage 4 6.5 Certificate 4 Appendix A (Normative) Silver Nickel, silver iron contact silver content analysis method 6 Appendix B (Normative) Normal inspection subsamples 8 ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 5588-2002 "silver nickel, silver iron contact technical conditions", compared with GB/T 5588-2002, the main technology The content changes as follows. --- Increasing the terms allowed to add additives (see Table 1); --- Increasing the metallographic examination of extruded electrical contact materials requirements (see 3.4); --- Modify the inspection rules, reducing the number of samples (see Chapter 5). This standard proposed by the China Electrical Equipment Industry Association. This standard by the National Electrotechnical Standardization Technical Committee (SAC/TC228) centralized. This standard was drafted by. Guilin Electric Institute of Science and Technology Co., Ltd., Fuda Alloy Materials Co., Ltd., Zhejiang Tianyin alloy technology Co., Ltd., Wenzhou Hongfeng Electrical Alloy Co., Ltd., Zhejiang Le Silver Alloy Co., Ltd., Wenzhou Zhongxi Electric Alloy Co., Ltd., Guilin Ginger Electrical and Electronic Materials Technology Co., Ltd., Chongqing Chuan-yi metal functional materials Branch, Guangzhou City, Ji Gui Electric Alloy Co., Ltd., Anping County fly Cheong Electrical Alloy Co., Ltd., Ningbo Hanbo Precious Metal Alloy Co., Ltd., Foshan Tongbao Precision Alloy Co., Ltd., Foshan City Shun Germany Jiarun Electric Co., Ltd., Wenzhou Star Contact Technology Co., Ltd., the United States and Thailand Lok Electric (Suzhou) Co., Ltd., Ningbo Electrical Alloy Materials Co., Ltd., Guangdong Province Industry Analysis and Testing Center. The main drafters of this standard. Wang Zhenyu, Bo Xiaoping, Zhao Liwen, Xie Yongzhong, Chen Xiao, Zheng Xiaojie, Zheng Yuanlong, Huang Xiwen, Tian Maojiang, Wang Changming, Yan Hongcai, Shi Jianhua, Huo Zhiwen, Liu Jialiang, Yan Xiaofang, Chen Jing, Hu Li Fu, Wang Haitao, Wu Xinhe, Wu Chaoqun. This standard replaces the standards previously issued as. --- GB/T 5588-1993, GB/T 5588-2002. Silver nickel, silver iron contact technical conditions1 ScopeThis standard specifies the requirements of flaky silver-nickel, silver-iron electrical contacts, sampling, test methods, signs, labels, packaging. This standard applies to the production of powder metallurgy flaky silver nickel, silver iron electrical contact (hereinafter referred to as the electrical contact) products, the product is mainly used in Contactor, relays and electrical switches and other low-voltage electrical appliances.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1-2012 Sampling procedures for inspection - Part 1 - Batch-by-lot inspection by acceptance quality limit (AQL) plan GB/T 5586 electrical contact materials - Basic performance test methods GB/T 5587 silver-based electrical contacts basic shape size, symbols and labels GB/T 26871 electrical contact materials metallographic test methods GB/T 26872-2011 electrical contact material metallographic patterns JB/T 4107.4 Methods of chemical analysis of electrical contact materials - Part 4 - Determination of nickel content in silver-nickel JB/T 4107.5 Methods of chemical analysis of electrical contact materials - Part 5. Determination of iron content in silver-iron3 requirements3.1 surface quality No electrical contact surface cracks, bubbling, delamination; the surface and the edge should not have more than 0.10mm hollow and more than 0.10mm high hair Spines, the surface of the maximum allowable length of less than 0.20mm inclusions. The surface should not have a length greater than 0.20mm rust. 3.2 Dimensions and tolerances Unless otherwise agreed by both parties, the size and tolerances of the electrical contacts shall comply with the requirements of GB/T 5587. 3.3 Representative symbols, chemical composition and mechanical and physical properties Electrical contacts represent symbols, chemical composition and mechanical and physical properties should meet the requirements of Table 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 5588-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 5588-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 5588-2017_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5588-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
