• BS 4638:1970

BS 4638:1970

Specification for carbon steel wire for zigzag and square-form springs

BSI Group , 10/22/1970

Publisher: BS

File Format: PDF

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Requirements for patented cold drawn plain carbon steel round wire in three grades of tensile strength. Chemical composition, standard sizes and tolerances, methods of testing, mechanical properties and details of packing and identification. Cross References:BS 443BS 1121BS 4545BS 6562:Part 1

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