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ASTM A230/A230M-05

Historical Revision

Standard Specification for Steel Wire, Carbon Valve Spring Quality

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1.1 This specification covers the highest quality of round carbon steel spring wire, uniform in quality and temper, intended especially for the manufacture of valve springs and other springs requiring high-fatigue properties.

1.2 The values stated in either SI (metric) 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 independent of the other.


This specification deals with the highest quality of round carbon steel spring wire, uniform in quality and temper, intended especially for the manufacture of valve springs and other springs requiring high-fatigue properties. The steel wire shall be subjected to continuous casting, hardening, and tempering to produce the desired mechanical properties. The steel shall conform to the chemical requirements for carbon, manganese, phosphorus, sulfur, and silicon. Mechanical properties shall be determined by the tension test, wrap test, twist test, and special surface inspection. The material as represented by tension test specimens shall conform to the tensile requirements for tensile strength and reduction of area. Metallurgical characterization of steel shall include decarburization, surface condition, and microstructure.


SDO ASTM: ASTM International
Document Number A230
Publication Date March 1, 2005
Language en - English
Page Count 4
Revision Level 05
Supercedes
Committee A01.03
Publish Date Document Id Type View
Sept. 1, 2019 A0230_A0230M-19 Revision
March 1, 2005 A0230_A0230M-05 Revision
March 10, 1999 A0230_A0230M-99 Revision
July 1, 2011 A0230_A0230M-05R11E01 Reaffirmation