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ASTM A877/A877M: Standard Specification for Steel Wire, Chromium-Silicon Alloy, Chrome-Silicon - Vanadium Alloy Valve Spring Quality

Publication Date: Oct 1, 2010
SDO: ASTM: ASTM International
 DOD Adopted   ANSI Approved Approved

This specification covers the highest quality of round and shaped chromium-silicon alloy steel valve spring wire, uniform in quality and temper, intended for the manufacture of valve springs and other springs requiring high-fatigue properties when used at moderately elevated temperatures. It is similar to the grade VD (referenced in EN 10270-2) intended for high fatigue levels. This wire shall be either in the annealed and cold-drawn or quenched and tempered condition as specified by 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.

*A Summary of Changes section appears at the end of this standard.

alloy
chromium-silicon
valve spring
wire

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