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BSI BS 6137:1982

Specification for electroplated coatings of tin/lead alloys
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BSI BS 6137:1982

Specification for electroplated coatings of tin/lead alloys

PUBLISH DATE 1982
PAGES 12
BSI BS 6137:1982

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:

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

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.

SDO BSI: British Standards Institution
Document Number 6137
Publication Date Feb. 26, 1982
Language en - English
Page Count
Revision Level
Supercedes
Committee STI/33
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