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ASTM A961/A961M-11

Historical Revision

Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications

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1.1 This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications under any of the following individual product specifications:


This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications. If the primary melting is required it shall incorporate separate degassing or refining and may be followed by secondary melting, such as electroslag remelting or vacuum remelting. If secondary melting is employed, the heat shall be defined as all of the ingot remelted from a single primary heat. Material requiring heat treatment shall be treated as specified in the individual product specification using the following procedures such as full annealing, solution annealing, isothermal annealing, normalizing, tempering and post-weld heat treatment, stress relieving. Heat analysis shall be used to determine the percentages of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, tantalum, copper, cobalt, nitrogen, aluminum, vanadium, cerium to meet the required chemical composition. The product analysis shall be used to determine if the chemical composition shall conform to the limits of the product specified. Mechanical tests shall be performed to determine the mechanical properties such as hardness, tensile properties, and impact properties.


SDO ASTM: ASTM International
Document Number A961
Publication Date May 1, 2011
Language en - English
Page Count 8
Revision Level 11
Supercedes
Committee A01.22
Publish Date Document Id Type View
Oct. 15, 2024 A0961_A0961M-24B Revision
Aug. 15, 2024 A0961_A0961M-24A Revision
May 1, 2024 A0961_A0961M-24 Revision
May 1, 2023 A0961_A0961M-23 Revision
Sept. 1, 2021 A0961_A0961M-21 Revision
June 1, 2020 A0961_A0961M-20 Revision
Nov. 1, 2019 A0961_A0961M-19A Revision
March 1, 2019 A0961_A0961M-19 Revision
Dec. 1, 2016 A0961_A0961M-16A Revision
June 1, 2016 A0961_A0961M-16 Revision
Nov. 1, 2015 A0961_A0961M-15 Revision
Nov. 1, 2014 A0961_A0961M-14 Revision
Oct. 1, 2013 A0961_A0961M-13 Revision
Nov. 1, 2012 A0961_A0961M-12A Revision
May 1, 2012 A0961_A0961M-12 Revision
May 1, 2011 A0961_A0961M-11 Revision
Oct. 1, 2008 A0961_A0961M-08A Revision
May 1, 2008 A0961_A0961M-08 Revision
Feb. 1, 2007 A0961_A0961M-07 Revision
March 1, 2005 A0961_A0961M-05 Revision
Sept. 1, 2004 A0961_A0961M-04A Revision