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ASTM A193/A193M-14a

Historical Revision

Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

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1.1 This specification2 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. See Specification A962/A962M for the definition of bolting. Bars and wire shall be hot-wrought and may be further processed by centerless grinding or by cold drawing. Austenitic stainless steel may be carbide solution treated or carbide solution treated and strain-hardened. When strain hardened austenitic steel is ordered, the purchaser should take special care to ensure that Appendix X1 is thoroughly understood.

1.2 Several grades are covered, including ferritic steels and austenitic stainless steels designated B5, B8, and so forth. Selection will depend upon design, service conditions, mechanical properties, and high temperature characteristics.

1.3 The following referenced general requirements are indispensable for application of this specification: Specification A962/A962M.

Note 1: The committee formulating this specification has included several steel types that have been rather extensively used for the present purpose. Other compositions will be considered for inclusion by the committee from time to time as the need becomes apparent.

Note 2: For grades of alloy-steel bolting suitable for use at the lower range of high temperature applications, reference should be made to Specification A354.

Note 3: For grades of alloy-steel bolting suitable for use in low temperature applications, reference should be made to Specification A320/A320M.

1.4 Nuts for use with bolting are covered in Section 13.

1.5 Supplementary Requirements are provided for use at the option of the purchaser. The supplementary requirements shall apply only when specified in the purchase order or contract.

1.6 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply.

1.7 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 standard.


This specification covers alloy steel and stainless steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Ferritic steels shall be properly heat treated as best suits the high temperature characteristics of each grade. Immediately after rolling or forging, the bolting material shall be allowed to cool to a temperature below the cooling transformation range. The chemical composition requirements for each alloy are presented in details. The steel shall not contain an unspecified element for ordered grade to the extent that the steel conforms to the requirements of another grade for which that element is a specified element. The tensile property and hardness property requirements are discussed, the tensile property requirement is highlighted by a full size fasteners, wedge tensile testing.


SDO ASTM: ASTM International
Document Number A193
Publication Date Nov. 15, 2014
Language en - English
Page Count 13
Revision Level 14a
Supercedes
Committee A01.22
Publish Date Document Id Type View
Oct. 15, 2024 A0193_A0193M-24A Revision
March 1, 2024 A0193_A0193M-24 Revision
March 1, 2023 A0193_A0193M-23 Revision
Nov. 1, 2022 A0193_A0193M-22A Revision
Sept. 1, 2022 A0193_A0193M-22 Revision
May 15, 2020 A0193_A0193M-20 Revision
Nov. 1, 2019 A0193_A0193M-19 Revision
Nov. 15, 2017 A0193_A0193M-17 Revision
March 1, 2016 A0193_A0193M-16 Revision
Nov. 1, 2015 A0193_A0193M-15A Revision
June 1, 2015 A0193_A0193M-15 Revision
Nov. 15, 2014 A0193_A0193M-14A Revision
June 1, 2014 A0193_A0193M-14 Revision
Aug. 8, 2012 A0193_A0193M-12B Revision
March 1, 2012 A0193_A0193M-12 Revision
Nov. 1, 2011 A0193_A0193M-11A Revision
May 1, 2011 A0193_A0193M-11 Revision
May 15, 2010 A0193_A0193M-10A Revision
May 1, 2010 A0193_A0193M-10 Revision
June 1, 2009 A0193_A0193M-09 Revision
Aug. 1, 2008 A0193_A0193M-08B Revision
May 1, 2008 A0193_A0193M-08A Revision
April 1, 2008 A0193_A0193M-08 Revision
March 1, 2007 A0193_A0193M-07 Revision
March 1, 2006 A0193_A0193M-06A Revision
Jan. 15, 2006 A0193_A0193M-06 Revision
June 1, 2005 A0193_A0193M-05 Revision
Oct. 1, 2004 A0193_A0193M-04C Revision
July 1, 2004 A0193_A0193M-04B Revision
May 11, 2004 A0193_A0193M-04A Revision
May 10, 2003 A0193_A0193M-03 Revision
Oct. 10, 2001 A0193_A0193M-01B Revision
Oct. 10, 2001 A0193_A0193M-01A Revision
Oct. 10, 2001 A0193_A0193M-01 Revision
Oct. 10, 2001 A0193_A0193M-00B Revision
Oct. 10, 2001 A0193_A0193M-00A Revision
Not Available A0193_A0193M-98A Revision