ASTM A679/A679M-06 - 1.5.2006
 
1. Scope

1.1 This specification covers round, uncoated, high tensile strength, cold-drawn steel spring wire, having properties and quality suitable for the manufacture of mechanical springs and wire forms subject to high static stresses or infrequent dynamic load, or both.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.

 
2. Referenced Documents

AIAGB-5

02.00 Primary Metals Identification Tag Application Standard

B32.4

Preferred Metric Sizes for Round, Square, Rectangle, and Hexagon Metal Products

A370-26

Standard Test Methods and Definitions for Mechanical Testing of Steel Products

A751-25

Standard Test Methods and Practices for Chemical Analysis of Steel Products

A510M-08

Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel [Metric] (Withdrawn 2011)

A700-14(2019)

Standard Guide for Packaging, Marking, and Loading Methods for Steel Products for Shipment

A941-26a

Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys (Includes all amendments and changes 4/15/2026).

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

A510-08

Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel