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JB/T 5351-2014Contact materials for vacuum switches - Test methods for basic properties (English PDF)

真空开关触头材料基本性能试验方法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

July 9, 2014

Implementation date

November 1, 2014

Scope

JB/T 5351-2014 is the English-translated version of 真空开关触头材料基本性能试验方法.

JB/T 5351-2014 is the recommended Chinese machinery industry standard that gives the test methods for the basic properties of contact materials used in vacuum switches.

The properties it covers are density, hardness, electrical conductivity and gas content, the gases being oxygen and nitrogen. The methods apply to vacuum contact materials of every kind whose density, hardness, conductivity and gas content have to be determined.

GB/T 231.1 and GB/T 5586 are quoted in the text. Classified under CCS K14 and ICS 29.120.99, it replaces JB/T 5351-1991. Issued on 9 July 2014, it has applied since 1 November 2014.

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Document preview — JB/T 5351-2014

National Standard of the People's Republic of China

ICS: 29.120.99
Replacing: JB/T 5351-1991

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword
Scope
Normative references
About this standard
Related standards
Classification and status

1 Foreword

JB/T 5351-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.

It replaces the earlier edition JB/T 5351-1991.

2 Scope

This standard is the recommended Chinese machinery industry standard that gives the test methods for the basic properties of contact materials used in vacuum switches. The properties it covers are density, hardness, electrical conductivity and gas content, the gases being oxygen and nitrogen. The methods apply to vacuum contact materials of every kind whose density, hardness, conductivity and gas content have to be determined. GB/T 231.1 and GB/T 5586 are quoted in the text. Classified under CCS K14 and ICS 29.120.99, it replaces JB/T 5351-1991.

3 Normative references

JB/T 5351-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 231.1

GB/T 5586

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Related standards

Other editions:

JB/T 5351-1991 (earlier edition)

6 Classification and status

International classification (ICS): 29.120.99

Prefix JB/T: recommended standard.

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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

Normative references

Cited by

Similar standards

GB/T 24273-2009|GB/T 40996-2021|JB/T 5410-2015|JB/T 4107.1-2014|JB/T 4107.2-2014|JB/T 4107.3-2014

Editions of JB/T 5351

Edition	Title	Revision	Status
JB/T 5351-2014	Contact materials for vacuum switches - Test methods for basic properties	current edition	Current
JB/T 5351-1991	Contact materials for vacuum switches - Test methods for basic properties	previous edition	Superseded

This page sells the current edition, JB/T 5351-2014. Earlier editions are listed for reference only.

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