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BS 4638

70th Edition, October 22, 1970

Complete Document

Specification for Carbon Steel Wire for Zigzag and Square-Form Springs

Includes all amendments and changes through Reaffirmation Notice , June 1, 2016


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Active, Most Current

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INCLUDES AMENDMENT 2
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Product Details:

  • Revision: 70th Edition, October 22, 1970
  • Published Date: June 1, 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 10
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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.