| ASTM A407-23 - 1.4.2023 | ||||||||
| 1. 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 ACoiled (Marshall pack), 1.1.2?Type BCoiled and knotted, 1.1.3?Type CCoiled and knotted (offset style), 1.1.4?Type DCoiled and hooked (single and cross helicals), 1.1.5?Type ECoiled and hooked (short tensionregular tensile strength), 1.1.6?Type FCoiled and hooked (short tensionhigh tensile strength), 1.1.7?Type GRegular lacing, 1.1.8?Type HAutomatic lacing, 1.1.9?Type IZig-zag (U-formed), 1.1.10?Type JSquare-formed, and 1.1.11?Type KSinuous 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. 1.3?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. | ||||||||
| 2. Referenced Documents | ||||||||
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