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Designation: A 29/A 29M – 05 Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for1 This standard is issued under the fixed designati

时间:2021-11-22 10:40:29 作者:chenshuiixu1 来源:De 阅读:1018次
Designation: A 29/A 29M – 05 Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for1 This standard is issued under the fixed designati
1. Scope* 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 DesignationA Hot-Rolled Carbon Steel Bars: Steel Bars, Carbon, Quenched and Tempered A 321 Steel Bars and Shapes, Carbon Rolled from “T’’ Rails A 499 Steel Bars, Carbon, Merchant Quality, M-Grades A 575 Steel Bars, Carbon, Hot-Wrought, Special Quality A 576 Steel Bars, Carbon, Merchant Quality, Mechanical Properties A 663/A 663M Steel Bars, Carbon, Hot-Wrought, Special Quality, Mechanical Properties A 675/A 675M Steel Bars for Springs, Carbon and Alloy A 689 Cold-Finished Carbon Steel Bars: Steel Bars, Carbon and Alloy, Cold-Finished A 108 Cold-Drawn Stress-Relieved Carbon Steel Bars Subject to Mechanical Property Requirements A 311/A 311M Hot-Rolled Alloy Steel Bars: Steel Bars, Alloy, Standard Grades A 322 Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements A 304 Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered A 434 Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both A 739 Cold-Finished Alloy Steel Bars: Steel Bars, Alloy, Hot-Rolled or Cold-Finished, Quenched and Tempered A 434 Steel Bars, Carbon, Hot-Wrought or Cold-Finished, Special Quality, for Pressure Piping Components A 696 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 inch-pound units or SI units are to be regarded as the 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 the specification. 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 E 29. NOTE 1—Specification A 29 previously listed dimensional tolerances for cold-finished bars; these are now found in Specification A 108. 2. Referenced Documents 2.1 ASTM Standards: 3 A 108 Specification for Steel Bars, Carbon and Alloy, Cold-Finished A 304 Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements A 311/A 311M Specification for Cold-Drawn, StressRelieved Carbon Steel Bars Subject to Mechanical Property Requirements A 321 Specification for Steel Bars, Carbon, Quenched and Tempered A 322 Specification for Steel Bars, Alloy, Standard Grades A 370 Test Methods and Definitions for Mechanical Testing of Steel Products A 434 Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered A 499 Specification for Steel Bars and Shapes, Carbon Rolled from “T” Rails A 575 Specification for Steel Bars, Carbon, Merchant Quality, M-Grades A 576 Specification for Steel Bars, Carbon, Hot-Wrought, 1 Special Quality This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.15 on Bars. Current edition approved May 1, 2005. Published May 2005. Originally approved in 1957. Last previous edition approved in 2004 as A 29/A 29M–04e1 . 2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-29/SA-29M in Section II of that Code1018
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