ASTM-A229 › Historical Revision Information
Standard Specification for Steel Wire, Quenched and Tempered for Mechanical Springs

ASTM-A229 - 2012 EDITION - SUPERSEDED
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This specification covers two classes of oil-tempered steel spring wire intended especially for the manufacture of mechanical springs and wire forms. The steel may be made by any commercially accepted steel-making process and shall either be ingot cast or strand cast. The finished wire shall be free of detrimental pipe and undue segregation. The wire shall be oil quenched and tempered to produce the desired mechanical properties such as tensile strength. Cast, heat, and product analysis shall conform to the chemical composition requirements prescribed for carbon, manganese, phosphorus, sulfur, and silicon. Tension, wrap, and surface tests shall be performed. The surface of the wire as-received shall be free of rust, excessive scale die marks, pits, and scratches detrimental to the end application. Other metallurgical requirements such as microstructure and decarburization are detailed.

ORDER

Scope

1.1 This specification covers two classes of round and shaped quenched and tempered steel spring wire intended especially for the manufacture of mechanical springs and wire forms.

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 are not necessarily exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems can result in non-conformance with the standard.

Keywords

springs; tempered; wire; Mechanical springs; Oil-tempered steel wire--specifications; Steel springs--specifications; 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)

To find similar documents by classification:

77.140.25 (Spring steels)

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Document Number

ASTM-A229/A229M-12

Revision Level

2012 EDITION

Status

Superseded

Modification Type

Revision with Title Change

Publication Date

April 30, 2012

Document Type

Specification

Page Count

4 pages

Committee Number

A01.03