ASTM A231/A231M: Standard Specification for Chromium-Vanadium Alloy Steel Spring Wire
SDO: ASTM: ASTM International
DOD Adopted ANSI Approved Approved
This specification covers round and shaped chromiumvanadium alloy steel spring wire having properties and quality intended for the manufacture of springs used at moderately elevated temperatures. This wire shall be either in the annealed and cold-drawn or oil-tempered condition as specified by the purchaser.
The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
Within the text, the inch-pound units are shown in brackets.
*A Summary of Changes section appears at the end of this standard.
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