GB/T 5588-2017Technical specification for silver-nickel,silver-iron electrical contacts (English PDF)
银镍、银铁电触头技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 1, 2017
Implementation date
May 1, 2018
Scope
GB/T 5588-2017 is the English-translated version of 银镍、银铁电触头技术条件.
GB/T 5588-2017 is the Chinese standard "Technical specification for silver-nickel,silver-iron electrical contacts". Its scope clause reads: This 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. Its clauses include requirements.
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Document preview — GB/T 5588-2017
National Standard of the People's Republic of China
- ICS
- 29.120.99
- Classification
- K 14
- Replacing
- GB/T 5588-2002
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 surface quality
- 3.2 Dimensions and tolerances
- 3.3 Representative symbols, chemical composition and mechanical properties
- 3.4 microstructure and metallographic defects
- 4 test methods
- 4.1 surface quality
- 4.2 Size and tolerance
- 4.3 chemical composition and mechanical properties
- 4.4 microstructure and metallographic defects
- 5 inspection rules
- 5.1 Batch
- 5.2 test items and their order
- 5.3 Sampling and pass judgment
- 5.4 Explanations
- 6 logo, packaging, transportation, storage and certification
- 6.1 mark
- 6.2 Packaging
- 6.3 Transportation
- 6.4 Storage
- 6.5 Certificate
- Appendix A (Normative) Silver Nickel, silver iron contact silver content analysis method
- Appendix B (Normative) Normal inspection subsamples
1 Scope
This 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 references
The 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-iron
3 requirements
3.1 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.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 5588
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5588-2017 | Technical specification for silver-nickel,silver-iron electrical contacts | current edition | Current |
| GB/T 5588-2002 | Technical specification for silver-nickel,silver-iron electrical contacts | previous edition | Superseded |
This page sells the current edition, GB/T 5588-2017. Earlier editions are listed for reference only.
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