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ASTM A790/A790M-14a

Historical Revision

Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

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1.1 This specification2 covers seamless and straight-seam welded ferritic/austenitic steel pipe intended for general corrosive service, 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 Optional supplementary requirements are provided for pipe when a greater degree of testing is desired. These supplementary requirements call for additional tests to be made and, when desired, one or more of these may be specified in the order.

1.3 Appendix X1 of this specification lists the dimensions of welded and seamless stainless steel pipe as shown in ANSI B36.19. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

1.4 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. The inch-pound units shall apply unless the M designation of this specification is specified in the order.

Note 1: The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as nominal diameter, size, and nominal size.


The specification covers seamless and straight-seam welded ferritic/austenitic steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. The pipe shall be made by the seamless or an automatic welding process, with no addition of filler metal in the welding operation. Heat analysis shall be made to determine the percentages of the elements specified. Tension tests, hardening tests, flattening tests, hydrostatic tests and nondestructive electric tests shall be made to conform to the specified requirements.


SDO ASTM: ASTM International
Document Number A790
Publication Date Oct. 1, 2014
Language en - English
Page Count 10
Revision Level 14a
Supercedes
Committee A01.10
Publish Date Document Id Type View
March 1, 2024 A0790_A0790M-24 Revision
May 1, 2023 A0790_A0790M-23 Revision
March 1, 2022 A0790_A0790M-22 Revision
March 1, 2020 A0790_A0790M-20 Revision
Sept. 1, 2019 A0790_A0790M-19 Revision
March 1, 2018 A0790_A0790M-18 Revision
Sept. 1, 2017 A0790_A0790M-17 Revision
March 1, 2016 A0790_A0790M-16 Revision
Oct. 1, 2014 A0790_A0790M-14A Revision
March 1, 2014 A0790_A0790M-14 Revision
May 1, 2013 A0790_A0790M-13A Revision
April 1, 2013 A0790_A0790M-13 Revision
Sept. 1, 2012 A0790_A0790M-12 Revision
Oct. 15, 2011 A0790_A0790M-11 Revision
Oct. 1, 2010 A0790_A0790M-10 Revision
Oct. 1, 2009 A0790_A0790M-09A Revision
Aug. 1, 2009 A0790_A0790M-09 Revision
Oct. 1, 2008 A0790_A0790M-08A Revision
March 1, 2008 A0790_A0790M-08 Revision
Nov. 1, 2007 A0790_A0790M-07A Revision
Sept. 1, 2007 A0790_A0790M-07 Revision
Sept. 15, 2005 A0790_A0790M-05B Revision
June 1, 2005 A0790_A0790M-05A Revision
March 1, 2005 A0790_A0790M-05 Revision
June 1, 2004 A0790_A0790M-04A Revision
March 1, 2004 A0790_A0790M-04 Revision
April 10, 2003 A0790_A0790M-03 Revision
Nov. 10, 2002 A0790_A0790M-02A Revision
Sept. 10, 2002 A0790_A0790M-02 Revision
March 10, 2001 A0790_A0790M-01 Revision
March 10, 2001 A0790_A0790M-00A Revision