ASTM-A417 › Standard Specification for Steel Wire, Cold-Drawn, for Zig-Zag, Square-Formed, and Sinuous-Type Upholstery Spring Units (Withdrawn 2008)
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This specification covers round, uncoated, cold-drawn spring wire in coils intended for the manufacture of upholstery springs such as zig-zag, square-formed, and sinuous. The steel shall be made by open-heart, basic-oxygen, or electric-furnace processes. Heat analysis shall be made to determine the percentage of elements, such as carbon and manganese, present in the spring wire. Tension and wrap tests shall be done for one test specimen for each ten coils. Workmanship, inspection, packaging, product marking, and loading are also covered.
Scope
1.1 This specification covers round, uncoated, cold-drawn spring wire in coils having properties and quality intended for the manufacture of the following upholstery springs:
1.1.1 Type A—Zig-zag (U-formed),
1.1.2 Type B—Square-formed, and
1.1.3 Type C—Sinuous for furniture spring units.
1.2 These types of upholstery springs are used in the manufacture of automotive seat springs and furniture springs. The wire is not intended for the manufacture of mechanical springs.
Keywords
cold-drawn; sinuous; spring; square-formed; upholstery; wire; zig-zag; ICS Number Code 77.140.25 (Spring steels)
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01.03 (Steel--Plate, Sheet, Strip, Wire; Stainless Steel Bar)
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Document Number
ASTM-A417-93(2004)
Revision Level
1993 R04 EDITION
Status
Cancelled
Modification Type
Withdrawn
Publication Date
Jan. 1, 2004
Document Type
Specification
Page Count
3 pages
Committee Number
A01.03