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ASTM A335/A335M-24b

Current Revision

Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

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1.1 This specification2 covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.

1.2 Several grades of ferritic steels (see Note 1) are covered. Their compositions are given in Table 1.

Note 1: Ferritic steels in this specification are defined as low- and intermediate-alloy steels containing up to and including 10 % chromium.

1.3 Supplementary requirements (S1 to S9) of an optional nature are provided. Supplementary requirements S1 through S6 call for additional tests to be made, and when desired, shall be so stated in the order together with the number of such tests required as applicable.

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

1.5 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 seamless ferritic alloy-steel pipe for high-temperature service. The pipe shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Grade P2 and P12 steel pipes shall be made by coarse-grain melting practice. The steel material shall conform to chemical composition, tensile property, and hardness requirements. Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices. The range of pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practices. The different mechanical test requirements for pipes, namely, transverse or longitudinal tension test, flattening test, and hardness or bend test are presented.


SDO ASTM: ASTM International
Document Number A335
Publication Date Oct. 15, 2024
Language en - English
Page Count 11
Revision Level 24b
Supercedes
Committee A01.10
Publish Date Document Id Type View
Oct. 15, 2024 A0335_A0335M-24B Revision
Aug. 15, 2024 A0335_A0335M-24A Revision
April 1, 2024 A0335_A0335M-24 Revision
May 1, 2023 A0335_A0335M-23 Revision
Nov. 1, 2022 A0335_A0335M-22 Revision
Nov. 1, 2021 A0335_A0335M-21A Revision
March 1, 2021 A0335_A0335M-21 Revision
Sept. 1, 2019 A0335_A0335M-19A Revision
March 1, 2019 A0335_A0335M-19 Revision
Nov. 1, 2018 A0335_A0335M-18B Revision
Sept. 1, 2018 A0335_A0335M-18A Revision
March 1, 2018 A0335_A0335M-18 Revision
Sept. 1, 2015 A0335_A0335M-15A Revision
May 1, 2015 A0335_A0335M-15 Revision
Oct. 1, 2011 A0335_A0335M-11 Revision
Nov. 1, 2010 A0335_A0335M-10B Revision
May 1, 2010 A0335_A0335M-10A Revision
April 1, 2010 A0335_A0335M-10 Revision
Dec. 1, 2009 A0335_A0335M-09A Revision
Oct. 1, 2009 A0335_A0335M-09 Revision
May 1, 2006 A0335_A0335M-06 Revision
May 1, 2005 A0335_A0335M-05A Revision
March 1, 2005 A0335_A0335M-05 Revision
April 10, 2003 A0335_A0335M-03 Revision
Sept. 10, 2002 A0335_A0335M-02 Revision
March 10, 2001 A0335_A0335M-01 Revision
March 10, 2001 A0335_A0335M-00 Revision
Not Available A0335_A0335M-95A Revision