ASTM A891/A891M Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
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ASTM International
Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
N A891/A891M
Annotation
This specification covers precipitation hardening iron base superalloy forgings which are primarily intended for use as turbine rotor disks and wheels.
Two heat treatments are covered. Selection will depend upon design, service conditions, mechanical properties, and elevated temperature characteristics.
All of the provisions of Specification A788/A788M, apply, except as amended herein.
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.
*A Summary of Changes section appears at the end of this standard
Автоматический перевод:
Стандартная спецификация для штамповок суперсплава на основе железа упрочнения осаждением для дисков ротора турбины и колес
Эта спецификация покрывает осадки, укрепляющие штамповки суперсплава на основе железа, которые, прежде всего, предназначаются для использования в качестве дисков ротора турбины и колес.
