This specification covers swaged welded, cast, or forged turnbuckles with and without jam nuts. A turnbuckle is an internally threaded loop or sleeve intended for assembly with a threaded stud, eye, hook, or jaw at each end, used for applying tension to rods, wire rope, and so forth. Turnbuckles shall be of the following types and grades: Type I (forged, spread, resistance welded and arc or gas welded); Type II; and Type III. Turnbuckles shall be of the following classes; Class A; Class B; Class C; Class D; Class E; Class F; Class G; and Class H. The following tests shall be performed: proof test; breaking strength test; bending test; and galvanizing test.
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1.1 This specification covers swaged welded, cast, or forged turnbuckles with and without jam nuts.
1.2 A turnbuckle is an internally threaded loop or sleeve intended for assembly with a threaded stud, eye, hook, or jaw at each end, used for applying tension to rods, wire rope, and so forth.
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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
B633 Specification for Electrodeposited Coatings of Zinc on Iron and Steel
D3951 Practice for Commercial Packaging
forged turnbuckles; open turnbuckle body; pipe turnbuckle body; rigging turnbuckle body; swaged turnbuckle; turnbuckle; welded turnbuckle; Forgings--specifications; Castings; Shipbuilding steel materials--specifications; Swaged welded/cast/forged turnbuckles; Turnbuckles; Welded steel shipbuilding materials ;
ICS Number Code 21.060.70 (Clamps and staples)
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