ASTM-A891/A891M:2015 Edition
$35.75
A891/A891M-10(2015) Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
| Published By | Publication Date | Number of Pages |
| ASTM | 2015 | 3 |
ASTM A891/A891M-10-Reapproved2015
Historical Standard: Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
ASTM A891/A891M
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 A788/A788M, apply, except as amended herein.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 non-conformance with the standard.
Keywords
age hardened; alloy steel—turbine disk; alloy steel—turbine wheel; creep; elevated temperature service; forging; precipitation hardened; stress rupture; superalloy ;
ICS Code
ICS Number Code 77.140.85 (Iron and steel forgings)
DOI: 10.1520/A0891_A0891M-10R15
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