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BS 6137:1982

Current
Current

The latest, up-to-date edition.

Specification for electroplated coatings of tin/lead alloys
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

26-02-1982

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Information to be supplied by the purchaser to the
   electroplater
5 Coating classification
6 Sampling
7 Heat treatment of steel
8 Undercoats
9 Coatings
Appendices
A Guidance information
B Determination of tin content of the coating
C Determination of undercoat thickness and coating
   thickness
D Sulphur dioxide porosity test
E Adhesion tests
Table
1 Service condition and related recommended coating
   thickness
Figures
1 Cabinet with door
2 Hooded cabinet

Essential and additional information to be supplied to the manufacturer, classification of service conditions and coatings. Appendices give guidance notes on use and test methods.

This British Standard specifies requirements for electroplated coatings of tin/lead alloys with a nominal composition of 60 % of tin and actual tin content in the range 55 % to 70 % by mass of tin.

These coatings are intended for use on ferrous and non-ferrous basis metals and also on printed circuit boards.

A classification scheme is included by which the nature of the basis metal and the coating composition can be defined and which also contains provision for flow-melting and bright deposited coatings.

This standard specifies no requirements for the condition, finish or surface roughness of the basis material before electroplating (see A.3.1).

NOTE Attention is drawn to BS 9760, which specifies capability approval procedure and rules for printed circuits of assessed quality.

This standard does not apply to:

  1. threaded components (see BS 3382-5);
  2. tin/lead coated copper wire (see BS 4393);
  3. bearing overlays;
  4. terne plate;
  5. electroplating of steels with tensile strengths greater than 1 000 MPa (see note to clause 7).

Committee
STI/33
DevelopmentNote
Supersedes DEFSTAN 03-15/2(1992) (07/2003) Supersedes 80/51106 DC (09/2005) Reviewed and confirmed by BSI, May 2009. (04/2009)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 7587:1986 Similar to

BS 4479-1:1990 Design of articles that are to be coated General recommendations

BS 6041(1981) : 1981 METHOD OF SAMPLING OF ELECTRODEPOSITED METALLIC COATINGS AND RELATED FINISHES: PROCEDURES FOR INSPECTION BY ATTRIBUTES
BS 9760:1977 Specification for printed circuits of assessed quality: generic data and methods of test: capability approval procedure and rules
BS 3978:1966 Specification for water for laboratory use
BS 5411-12:1981 Methods of test for metallic and related coatings. Beta backscatter method for measurement of thickness
BS 5411-8:1976 Methods of test for metallic and related coatings Measurement of coating thickness of metallic coatings: X-ray spectrometric methods
BS 5411-5:1976 Methods of test for metallic and related coatings. Measurement of local thickness of metal and oxide coattings by the microscopical of cross sections.
BS 5411-1(1980) : 1980 AMD 8494 METHODS OF TEST FOR METALLIC AND RELATED COATINGS - DEFINITIONS AND CONVENTIONS CONCERNING THE MEASUREMENT OF THICKNESS
BS 4393:1969 Specification for tin or tin-lead coated copper wire
BS 6001(1972) : AMD 5054 SAMPLING PROCEDURES FOR INSPECTION BY ATTRIBUTES - SPECIFICATION FOR SAMPLING PLANS INDEXED BY ACCEPTABLE QUALITY LEVEL (AQL) FOR LOT - BY - LOT INSPECTION
BS 3382-5&6(1967) : 1967 SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - TIN ON COPPER AND COPPER ALLOY (INCLUDING BRASS) COMPONENTS - SILVER ON COPPER AND COPPER ALLOY (INCLUDING BRASS) COMPONENTS
BS 2011-2.1T:1981 Environmental testing. Tests Test T. Soldering

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PDF - English
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