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BS 3189:1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Method for specifying phosphate conversion coatings for metals

Available format(s)

Hardcopy , PDF

Superseded date

15-10-2000

Superseded by

BS EN 12476:2000

Language(s)

English

Published date

28-06-1991

£142.00
Excluding VAT

Committees responsible
National foreword
Method for specifying
1 Scope
2 Normative references
3 Information to be supplied by the purchaser to the
     coater
4 Coating classification code
5 Sampling
6 Treatment of basis metals before coating
7 Phosphate conversion coating
8 Heat treatment after coating
9 After treatment
Annexes
A Guidance information
B Recommendations for phosphate conversion coatings
     to provide corrosion protection
C Recommendations for phosphate conversion coatings
     to ensure good adhesion of paints, varnishes and
     related coatings and to improve corrosion
     resistance
D Recommendations for phosphate conversion coatings
     to facilitate cold forming
E Recommendations for phosphate conversion coatings
     to facilitate sliding action
F Guidance on heat treatment of steel
G Appearance of types of phosphate conversion
     coatings
H Determination of corrosion resistance
J Identification of phosphate conversion coatings
Tables
1 Summary of principal types of phosphate conversion
     coatings
A.1 Characteristics of phosphate conversion coatings
B.1 Recommendations for phosphate conversion coatings
     and after-treatment to provide corrosion protection
C.1 Recommendations for phosphate conversion coatings
     to ensure good adhesion of painted and related
     coatings and to improve corrosion resistance
D.1 Recommended zinc phosphate conversion coating mass
     per unit area to facilitate cold forming
E.1 Recommended manganese phosphate conversion coating
     mass per unit area to facilitate sliding action
F.1 Hydrogen embrittlement relief after phosphating
G.1 Usual appearance of phosphate conversion coatings
H.1 Minimum permissible exposure time (in hours) before
     first corrosion for non-after-treated, phosphated
     ferrous components
J.1 Identification of phosphate conversion coating type

Specifies coatings primarily intended for application to ferrous metals, aluminium, zinc, cadmium and their alloys.

Committee
STI/33
DevelopmentNote
SUPERSEDES BS 3189: 1973
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 9717:2017 Identical

ISO 3892:2000 Conversion coatings on metallic materials Determination of coating mass per unit area Gravimetric methods
ISO 4519:1980 Electrodeposited metallic coatings and related finishes — Sampling procedures for inspection by attributes
ISO 3768:1976 Metallic coatings — Neutral salt spray test (NSS test)

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