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Description of ASTM-A704 2011ASTM A704 / A704M - 06(2011)Standard Specification for Welded Steel Plain Bar or Rod Mats for Concrete ReinforcementActive Standard ASTM A704 / A704M | Developed by Subcommittee: A01.05 Book of Standards Volume: 01.04 ASTM A704 / A704MAbstract This specification covers materials in mat (or sheet) form fabricated from hot-rolled, plain steel bars or rods to be used for the reinforcement of concrete. Mats consist of two layers of bars or rods that are assembled by welding at right angles to each other. Welding shall be done in such a way that the minimum tensile strength, yield strength, and elongation requirements shall be met. Tension and shear tests shall be performed to meet the required strength and elongation properties and maximum size of a bar or rod material. A retest shall be performed when a specimen fails to meet the specified requirements. All tests and inspections shall be made at the place of fabrication prior to shipment, unless otherwise specified, and shall be so conducted as not to interfere unnecessarily with fabricating operations. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification covers material in mat (or sheet) form fabricated from hot-rolled, plain steel bars or rods to be used for the reinforcement of concrete. Mats consist of two layers of bars or rods which are assembled by welding at right angles to each other. 1.2 This specification is applicable for orders in either inch-pound units (as A704) or in SI units [as A704M]. 1.3 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification.
ASTM Standards A185/A185M Specification for Steel Welded Wire Reinforcement, Plain, for Concrete A497/A497M Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment A706/A706M Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement U.S. Military Standard MIL-STD-29 Marking for Shipment and StorageU.S. Federal Standard Keywords concrete reinforcement; mats; steel bars; steel rods: Concrete reinforcement--specifications; Steel bars (concrete reinforcement- specifications); Welded steel bars/shapes--specifications; ICS Code ICS Number Code 77.140.15 (Steels for reinforcement of concrete) DOI: 10.1520/A0704_A0704M-06R11 ASTM International is a member of CrossRef. ASTM A704 / A704MThis book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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