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ASTM A877/A877M-17

Current Revision

Standard Specification for Steel Wire, Chromium-Silicon Alloys, Chrome-Silicon-Vanadium Alloy Valve Spring Quality

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1.1 This specification covers the highest quality of round and shaped chromium-silicon and chromium-silicon-vanadium alloys of 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.

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 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.


This specification covers the highest quality of round chromium-silicon alloy steel valve spring wires, 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. This wire shall be either in the annealed and cold-drawn or oil-tempered condition. The steel may be made by any commercially accepted steel making process, shall be continuously cast, and shall be free from detrimental pipe and undue segregation and surface imperfections. Heat analysis, tensile testing, wrap testing, and surface inspection by magnetic or eddy current defect analysis shall be done. Both heat and product analysis shall conform to the chemical composition requirements specified for carbon, manganese, phosphorus, sulfur, silicon, and chromium. The mechanical requirements for the steel wire including cooling, heat treatment, and tensile strength, and the metallurgical requirements including etched surface testing, decarburization, and inclusion content are detailed.


SDO ASTM: ASTM International
Document Number A877
Publication Date March 15, 2017
Language en - English
Page Count 6
Revision Level 17
Supercedes
Committee A01.03
Publish Date Document Id Type View
March 15, 2017 A0877_A0877M-17 Revision
May 1, 2016 A0877_A0877M-16 Revision
Oct. 1, 2010 A0877_A0877M-10E01 Revision
Oct. 1, 2010 A0877_A0877M-10 Revision
March 1, 2005 A0877_A0877M-05 Revision
March 10, 1999 A0877_A0877M-99 Revision
Sept. 1, 2023 A0877_A0877M-17R23 Reaffirmation