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ASTM A336/A336M-23

Current Revision

Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts

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1.1 This specification2 covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associated equipment.

1.2 Forgings made of steel grades listed in Specification A335/A335M may also be ordered under this specification. The chemical, tensile, heat treatment, and marking requirements of Specification A335/A335M shall apply, except the forging shall conform to the chemical requirements of Tables 1 and 2 of Specification A335/A335M only with respect to heat analysis. On product analysis they may deviate from these limits to the extent permitted in Table 1 of this specification.

1.3 Supplementary Requirements S1 to S10 are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.

1.4 Unless the order specifies the applicable “M” specification designation, the material shall be furnished to the inch-pound units.

1.5 Specification A336/A336M formerly included austenitic steel forgings, which are now found in Specification A965/A965M.

1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.7 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 deals with ferritic alloy steel forgings for high-pressure and high-temperature parts, such as boilers, pressure vessels, and associated equipment. The steel grades covered here include the following: Grade F1; Grade F11, Classes 1, 2, and 3; Grade F12; Grade F5; Grade F5A; Grade F9; Grade F6; Grades F21 and F22, Classes 1 and 3; Grade F91, Grade F3V; and Grade F22V. Other steel grades may also be treated under this specification. Alloy steels shall be melted, forged, and rough machined at stipulated conditions. Except as permitted for Grade F22V, steel forgings shall be annealed or normalized and tempered, but may alternatively be liquid quenched and tempered as well. Impact and Charpy V-notch tests shall be performed wherein specimens shall conform to specified mechanical requirements such as notch toughness, tensile strength, yield strength, elongation, and reduction of area. Materials shall also undergo heat and product analyses and conform to specified chemical requirements.


SDO ASTM: ASTM International
Document Number A336
Publication Date Nov. 1, 2023
Language en - English
Page Count 8
Revision Level 23
Supercedes
Committee A01.06
Publish Date Document Id Type View
Nov. 1, 2023 A0336_A0336M-23 Revision
May 1, 2021 A0336_A0336M-21 Revision
Sept. 1, 2019 A0336_A0336M-19 Revision
Sept. 1, 2018 A0336_A0336M-18A Revision
March 1, 2018 A0336_A0336M-18 Revision
Dec. 1, 2015 A0336_A0336M-15 Revision
Dec. 1, 2010 A0336_A0336M-10A Revision
May 1, 2010 A0336_A0336M-10 Revision
Feb. 15, 2009 A0336_A0336M-09 Revision
May 1, 2008 A0336_A0336M-08 Revision
April 1, 2007 A0336_A0336M-07 Revision
Sept. 1, 2006 A0336_A0336M-06A Revision
March 1, 2006 A0336_A0336M-06 Revision
March 1, 2005 A0336_A0336M-05 Revision
Sept. 10, 2003 A0336_A0336M-03A Revision
April 10, 2003 A0336_A0336M-03 Revision
April 24, 2000 A0336_A0336M-99E01 Revision