BS 4638:1970
Current
Date published:
Specification for carbon steel wire for zigzag and square-form springs
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.
Related Information
77.140.25 Spring steels
Similar Standards
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BS 1429:1980
Specification for annealed round steel wire for general engineering springs
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BS 4637:1970
Specification for carbon steel wire for coiled springs (bedding and seating)
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BS EN 10089:2002
Hot rolled steels for quenched and tempered springs. Technical delivery conditions
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BS EN 10092-1:2003
Hot rolled spring steel flat bars, Flat bars. Dimensions and tolerances on shape and dimensions