BS 970-5:1972

Specification for wrought steels in the form of blooms, billets, bars and forgings-Carbon and alloy spring steels for the manufacture of hot formed springs

BSI Group , 04/22/1974

$132.00 $264.16

General requirements: information to be supplied by the purchaser, product analysis and permitted variations, frequency of tests etc. En steels replaced. Specific requirements for spring steels supplied to close limits of chemical composition; composition of individual steels. Specific requirements for spring steels supplied to hardenability requirements; chemical compositions of individual steels, hardenability data. Standard sizes and tolerances appended.