BS 5431:1976

This standard BS 5431:1976 Specification for bending springs for use with copper tubes for water, gas and sanitation is classified in these ICS categories:

• 21.160 Springs

This British Standard specifies the dimensions, properties and colour code of steel bending springs intended to support the wall during bending operations on copper tubes complying with the requirements of BS 2871-1:1971, Tables W, X and Y. Dimensions and properties of the springs are specified for sizes of tube up to and including 22 mm diameter.

Dimensions, properties and colour code for internal and external steel bending springs.