ASTM A970 PDF

The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Nominal head dimensions were previously provided to inform manufacturers of these systems as to typical head dimensions. Standard Specification for Headed Steel Bars for Concrete Reinforcement Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. In either case the threads should be carefully cut or rolled so that the engagement of the threads results in a uniform load in the head-to-bar connection.

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More A This standard applies only to headed bars with welded, threaded or forged heads. Material, manufacturing and testing requirements for the reinforcing bars shall be in accordance with other ASTM documents listed herein.

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. Scope 1. Heads are forge-formed, machined from bar stock, or cut from plate. Attachment can be accomplished through: 1. The requirements in Annex A1 only apply when specified by the purchaser see 4.

Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the specification. 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.

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