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ASTM A891-98
Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
STANDARD published on 10.9.1998
The information about the standard:
Designation standards: ASTM A891-98
Note: WITHDRAWN
Publication date standards: 10.9.1998
SKU: NS-4676
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM A891-98 :
Keywords:
age hardened, creep, elevated temperature service, forging, alloy steel-turbine disk, forging, alloy steel-turbine wheel, precipitation hardened, stress rupture, superalloy
Additional information
| 1. 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, 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. |
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