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ASTM A689-97(2002)
- Standard Specification for Carbon and Alloy Steel Bars for Springs
- standard by ASTM International, 01/10/2002
- Publisher: ASTM
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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.