Designation: A 313/A 313M –03 Standard Speci?cation for Stainless Steel Spring Wire 1 This standard is issuedunder the ?xed designation A 313/A 313M; the number immediately following the designation indicates the year of original adoption or, in the caseof revision, the year of last revision. A number in parenthesesindicates the year of last reapproval. A superscript epsilon (e) indicates an edito