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ASTM A891-98

Current Revision

Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels

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1.1 This specification covers precipitation hardening iron base superalloy forgings which are primarily intended for use as turbine rotor disks and wheels.

1.2 Two heat treatments are covered. Selection will depend upon design, service conditions, mechanical properties, and elevated temperature characteristics.

1.3 All of the provisions of Specification A788, apply, except as amended herein.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


SDO ASTM: ASTM International
Document Number A891
Publication Date Sept. 10, 1998
Language en - English
Page Count 3
Revision Level 98
Supercedes
Committee A01.06
Publish Date Document Id Type View
Sept. 10, 1998 A0891-98 Revision
April 10, 2003 A0891-98R03 Reaffirmation