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ASTM A891-98
Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
3 стр.
Заменен
Печатное изданиеЭлектронный (pdf)
81.12 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
Сборник (ASTM):
01.05 Steel--Bars, Forgings, Bearing, Chain, Tool / Сталь - Прутья, Поковки и Заготовки, Балки
Тематика:
Steel--Structural, Tubes, Plate, Coated
Описание
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 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.

Ключевые слова:
age hardened; creep; elevated temperature service; forging; alloy steel-turbine disk; forging; alloy steel-turbine wheel; precipitation hardened; stress rupture; superalloy