Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM A877/A877M-05

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

Standard Specification for Steel Wire, Chromium-Silicon Alloy Valve Spring Quality A0877_A0877M-05 ASTM|A0877_A0877M-05|en-US Standard Specification for Steel Wire, Chromium-Silicon Alloy Valve Spring Quality Standard new BOS Vol. 01.03 Committee A01
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Abstract

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.

Scope

1.1 This specification covers the highest quality of round 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. This wire shall be either in the annealed and cold-drawn or oil-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. Within the text, the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other.

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Details
Book of Standards Volume: 01.03
Developed by Subcommittee: A01.03
Pages: 4
DOI: 10.1520/A0877_A0877M-05
ICS Code: 77.140.25