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JB/T 5067-1999Sherardizing of iron and steel parts (English PDF)

钢铁制件粉末渗锌

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

June 28, 1999

Implementation date

January 1, 2000

Scope

JB/T 5067-1999 is the English-translated version of 钢铁制件粉末渗锌.

JB/T 5067-1999 is the Chinese standard "Sherardizing of iron and steel parts". Its scope clause reads: This standard specifies the technical requirements and test methods for sherardizing of iron and steel articles (hereinafter referred to as "sherardizing").

This standard is applicable to sherardizing of parts and members made of carbon steel, low alloy steel, cast iron, etc. This standard is not applicable to the sherardizing of iron and steel articles that need to be tempered at a temperature below 340°C to meet the mechanical properties requirements of the articles. Its clauses include definitions.

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Document preview — JB/T 5067-1999

National Standard of the People's Republic of China

Replacing: JB/T 5067-1991

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

Foreword
1 Scope
2 Normative references
3 Definitions
4 Information to be supplied by the purchaser to the supplier
5 Technical requirements
6 Sampling
7 Inspection methods
Annex A (Informative) Selection of thickness of sherardized coatings

1 Scope

This standard specifies the technical requirements and test methods for sherardizing of iron and steel articles (hereinafter referred to as "sherardizing").

This standard is applicable to sherardizing of parts and members made of carbon steel, low alloy steel, cast iron, etc.

This standard is not applicable to the sherardizing of iron and steel articles that need to be tempered at a temperature below 340°C to meet the mechanical properties requirements of the articles.

2 Normative references

The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions cited are valid. All normative documents are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.

GB/T 4956-1985 Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method

GB/T 13825-1992 Metallic coatings - Determination of the mass for hot dip galvanized coatings on ferrous materials - Gravimetric method

JB/T 5069-1991 Metallized coatings of steel parts - Metallographic determination method

3 Definitions

3.1 sherardizing

a surface treatment process of forming a sherardized coating on the surface of iron or steel by inter-diffusion of zinc and iron atoms which are produced by heating the sherardizing medium which is used as the source of zinc

3.2 sherardized coating

a coating of zinc-iron alloy layers formed on the surface of iron or steel by inter-diffusion of zinc and iron atoms

3.3 sherardizing medium

sherardizing medium consisting of zinc supplying component containing zinc atoms, with or without filling component and activating component as required […]

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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

Cited by

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GB/T 35505-2017|JB/T 10174-2008|JB/T 9200-2008|JB/T 6956-2007|JB/T 9201-2007|JB/T 6050-2006

Editions of JB/T 5067

Edition	Title	Revision	Status
JB/T 5067-1999	Sherardizing of iron and steel parts	current edition	Current
JB/T 5067-1991	Sherardizing of iron and steel parts	previous edition	Superseded

This page sells the current edition, JB/T 5067-1999. Earlier editions are listed for reference only.

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