ASTM-A891:2003 Edition
$35.75
A891-98(2003) Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
Published By | Publication Date | Number of Pages |
ASTM | 2003 | 3 |
ASTM A891-98-Reapproved2003
Historical Standard: Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
ASTM A891
Scope
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 A 788, 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.
Keywords
age hardened; creep; elevated temperature service; forging; alloy steelāturbine disk; forging; alloy steelāturbine wheel; precipitation hardened; stress rupture; superalloy
ICS Code
ICS Number Code 77.140.85 (Iron and steel forgings)
DOI: 10.1520/A0891-98R03