ASTM-A407 › Historical Revision Information
Standard Specification for Steel Wire, Cold-Drawn, for Coiled-Type Springs
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Scope
1.1 This specification covers round, cold-drawn, steel spring wire having properties and quality intended for the manufacture of the following types of upholstery springs:
1.1.1 Type A - Coiled (Marshall pack),
1.1.2 Type B - Coiled and knotted,
1.1.3 Type C - Coiled and knotted (offset style),
1.1.4 Type D - Coiled and hooked (single and cross helicals),
1.1.5 Type E - Coiled and hooked (short tension-regular tensile strength),
1.1.6 Type F - Coiled and hooked (short tension-high tensile strength),
1.1.7 Type G - Regular lacing,
1.1.8 Type H - Automatic lacing,
1.1.9 Type I - Zig-zag (U-formed),
1.1.10 Type J - Square-formed, and
1.1.11 Type K - Sinuous for furniture spring units.
1.2 These types of upholstery springs are used in the manufacture of automotive seat springs, furniture springs, bed spring units, mattresses, furniture cushions, and automobile seats. This wire is not intended for the manufacture of mechanical springs.
Keywords
coiled-type; cold-drawn; sinuous; springs; square-formed; upholstery; wire ; zig-zag
To find similar documents by ASTM Volume:
01.03 (Steel--Plate, Sheet, Strip, Wire; Stainless Steel Bar)
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Document Number
ASTM-A407-07
Revision Level
2007 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Jan. 1, 2007
Document Type
Specification
Page Count
3 pages
Committee Number
A01.03