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ASTM A990-06

Historical Revision

Standard Specification for Castings, Iron-Nickel-Chromium and Nickel Alloys, Specially Controlled for Pressure Retaining Parts for Corrosive Service

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1.1 This specification covers iron-nickel-chromium and nickel alloy castings specially processed with restricted melt practices, weldability testing, and nondestructive examination (NDE) requirements.

1.2 A number of grades of iron-nickel-chromium and nickel alloy castings are included in this specification. Since these grades possess varying degrees of suitability for service in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished. Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics.

1.3 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply. The values stated in either inch-pound units or SI 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 nonconformance with the standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number A990
Publication Date Sept. 1, 2006
Language en - English
Page Count 7
Revision Level 06
Supercedes
Committee A01.18
Publish Date Document Id Type View
May 1, 2011 A0990-11 Revision
Oct. 1, 2010 A0990-10A Revision
April 1, 2010 A0990-10 Revision
March 1, 2008 A0990-08 Revision
Sept. 1, 2006 A0990-06 Revision
March 1, 2005 A0990-05 Revision
Sept. 10, 2003 A0990-03 Revision
Sept. 10, 2000 A0990-00E01 Revision
Sept. 10, 2000 A0990-00 Revision