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1.1 This specification covers hot-wrought steel bars to be used for the manufacture of general-purpose springs such as coil, torsion, and leaf.
1.2 The values stated in inch-pound units are to be regarded as the standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A255 Test Methods for Determining Hardenability of Steel
A304 Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
A322 Specification for Steel Bars, Alloy, Standard Grades
A576 Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality
E112 Test Methods for Determining Average Grain Size
ICS Number Code 77.140.25 (Spring steels)
UNSPSC Code 30263600(Carbon steel bars); 30263700(Steel alloy bars)