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ASTM A789/A789M-24

Current Revision

Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

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1.1 This specification2 covers grades of average wall thickness, or, if specified on the order, minimum wall thickness, of stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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. Within the text, the SI units are shown in brackets. The inch-pound units shall apply unless the M designation of this specification is specified in the order.

1.3 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.


This specification covers standard requirements for grades of nominal wall thickness, stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. Heat and product analyses shall be performed wherein the steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, nitrogen, copper, and others. All tubes shall be furnished in the heat-treated condition in accordance with the specified temperature and quench conditions. When the final heat treatment is in a continuous furnace, or when heat treated condition is obtained directly by quenching after hot forming, the number of tubes of the same size and from the same heat in a lot shall be determined from the prescribed sizes of the tubes. The material shall conform to the prescribed tensile and hardness properties. Mechanical tests such as tension test, flaring test (for seamless tubes), flange test (for welded tubes), hardness test, and reverse flattening test shall be performed on the steel tubing. Each tube shall also be subjected to the nondestructive electric test or the hydrostatic test.


SDO ASTM: ASTM International
Document Number A789
Publication Date March 1, 2024
Language en - English
Page Count 7
Revision Level 24
Supercedes
Committee A01.10
Publish Date Document Id Type View
March 1, 2024 A0789_A0789M-24 Revision
March 1, 2022 A0789_A0789M-22 Revision
March 1, 2020 A0789_A0789M-20 Revision
Sept. 1, 2018 A0789_A0789M-18 Revision
Sept. 1, 2017 A0789_A0789M-17A Revision
March 15, 2017 A0789_A0789M-17 Revision
Sept. 1, 2016 A0789_A0789M-16A Revision
March 1, 2016 A0789_A0789M-16 Revision
Oct. 1, 2014 A0789_A0789M-14 Revision
Oct. 1, 2013 A0789_A0789M-13AE01 Revision
Oct. 1, 2013 A0789_A0789M-13A Revision
April 1, 2013 A0789_A0789M-13 Revision
Oct. 1, 2010 A0789_A0789M-10A Revision
May 1, 2010 A0789_A0789M-10 Revision
Aug. 1, 2009 A0789_A0789M-09 Revision
Oct. 1, 2008 A0789_A0789M-08B Revision
April 15, 2008 A0789_A0789M-08A Revision
April 1, 2008 A0789_A0789M-08 Revision
Nov. 1, 2007 A0789_A0789M-07 Revision
Sept. 1, 2005 A0789_A0789M-05B Revision
June 1, 2005 A0789_A0789M-05A Revision
March 1, 2005 A0789_A0789M-05 Revision
July 1, 2004 A0789_A0789M-04A Revision
March 1, 2004 A0789_A0789M-04 Revision
Nov. 10, 2002 A0789_A0789M-02A Revision
Oct. 10, 2002 A0789_A0789M-02 Revision
Sept. 10, 2001 A0789_A0789M-01A Revision
Sept. 10, 2001 A0789_A0789M-01 Revision
Sept. 10, 2001 A0789_A0789M-00B Revision