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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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A510 Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel
A510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel (Metric)
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ANSI StandardB 32.4M Preferred Metric Sizes for Round, Square, Rectangle, and Hexagon Metal Products
Military StandardMIL-STD-163 Steel Mill Products, Preparation for Shipment and Storage
Federal StandardFed. Std. No. 123 Marking for Shipment (Civil Agencies)
AIAG StandardAIAG B-5 02.00 Primary Metals Identification Tag Application Standard
ICS Number Code 77.140.25 (Spring steels)