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1.1 This specification covers two classes of uncoated, high-strength, hard-drawn steel wire for use in the manufacture of prestressed concrete pipe. In application, the wire is helically wrapped on the pipe maintaining tension by mechanical means not including drawing dies.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.
1.3 Supplementary requirements describe hydrogen embrittlement resistance test acceptance criteria.
1.4 The following caveat pertains only to the test method portions of this specification, 6.2.3 and 6.4.3: This standard does not purport to address 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.
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
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A1032 Test Method for Hydrogen Embrittlement Resistance for Steel Wire Hard Drawn Used for Prestressing Concrete Pipe
E328 Test Methods for Stress Relaxation for Materials and Structures
ICS Number Code 77.140.15 (Steels for reinforcement of concrete)
UNSPSC Code 31152207(Prestressed concrete steel wire)