ASTM-A231 › Historical Revision Information
Standard Specification for Chromium-Vanadium Alloy Steel Spring Wire
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This specification covers round chromium-vanadium alloy steel spring wires having properties and quality intended for the manufacture of springs used at moderately elevated temperatures. Wires shall either be in the annealed and cold-drawn or oil-tempered condition as specified by the purchaser. The steel may either be ingot cast or strand cast, and the finished wire shall be free from detrimental pipe and undue segregation. Specimens shall undergo cast or heat analysis, and shall conform to required chemical compositions for carbon, manganese, phosphorus, sulfur, silicon, chromium, and vanadium. Wrap tests shall also be performed wherein mechanical properties shall be assessed for tensile strength requirements. Metallurgical properties, such as the surface condition and decarburization, shall be inspected as well. For all test procedures, one specimen shall be taken for each ten coils, or fraction thereof, in a lot. Each cast or heat in a given lot shall be tested.
Scope
1.1 This specification covers round chromium-vanadium 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.
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.
Keywords
alloy; chromium-vanadium; spring; wire; ICS Number Code 77.140.25 (Spring steels)
To find similar documents by ASTM Volume:
01.03 (Steel--Plate, Sheet, Strip, Wire; Stainless Steel Bar)
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Document Number
ASTM-A231/A231M-04
Revision Level
2004 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Sept. 1, 2004
Document Type
Specification
Page Count
4 pages
Committee Number
A01.03