ASTM A29/A29M-23

Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought

ASTM International, 07/01/2023

Publisher: ASTM

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Published:01/07/2023

Pages:17

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1.1 This specification2 covers a group of common requirements which, unless otherwise specified in the purchase order or in an individual specification, shall apply to carbon and alloy steel bars under each of the following ASTM specifications (or under any other ASTM specification which invokes this specification or portions thereof):

Title of Specification ASTM
Designation^A Hot-Rolled Carbon Steel Bars: Steel Bars, Carbon, Quenched and Tempered A321 Steel Bars and Shapes, Carbon Rolled from "T'' Rails A499 Steel Bars, Carbon, Merchant Quality, M-Grades A575 Steel Bars, Carbon, Hot-Wrought, Special Quality A576 Steel Bars, Carbon, Merchant Quality, Mechanical Properties A663/A663M Steel Bars, Carbon, Hot-Wrought, Special Quality, Mechanical Properties A675/A675M Carbon and Alloy Steel Bars for Springs A689 Cold-Finished Carbon Steel Bars: Steel Bar, Carbon and Alloy, Cold-Finished A108 Cold-Drawn Stress-Relieved Carbon Steel Bars Subject to Mechanical Property Requirements A311/A311M Hot-Rolled Alloy Steel Bars: Steel Bars, Alloy, Standard Grades A322 Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements A304 Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered A434/A434M Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both A739 Cold-Finished Alloy Steel Bars: Steel Bars, Alloy, Hot-Rolled or Cold-Finished, Quenched and Tempered A434/A434M Steel Bars, Carbon, Hot-Wrought or Cold-Finished, Special Quality, for Pressure Piping Components A696 ^A These designations refer to the latest issue of the respective specifications, which appear either in the Annual Book of ASTM Standards, Vol 01.05, or as reprints obtainable from ASTM.

1.2 In case of any conflict in requirements, the requirements of the purchase order, the individual material specification, and this general specification shall prevail in the sequence named.

1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall used independently of the other, and values from the two systems shall not be combined.

1.4 For purposes of determining conformance to this specification and the various material specifications referenced in 1.1, dimensional values shall be rounded to the nearest unit in the right-hand place of figures used in expressing the limiting values in accordance with the rounding method of Practice E29.

Note 1: Specification A29/A29M previously listed dimensional tolerances for cold-finished bars; these are now found in Specification A108.

1.5 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.

1.6 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.

ASTM A29/A29M-23

Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought

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