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ASTM A891-98(2003)

Заменен
Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels — 3 стр.
Область применения

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.

ICS
77.140.85 Iron and steel forgings / Чугунные и стальные поковки
Сборник ASTM
01.05 Steel--Bars, Forgings, Bearing, Chain, Tool / Сталь - Прутья, Поковки и Заготовки, Балки
Тематика
Steel--Structural, Tubes, Plate, Coated