ASTM A 471 - 06 Standard Specification for Vacuum-Treated Alloy Steel Forgings for Turbine Rotor Disks and Wheels

American Society for Testing and Materials (ASTM). Current edition approved June 15, 2006. Published June 2006. Originally approved in 1962. Last previous edition approved in 2005 as A 471 – 05. 6 p. This specification covers vacuum-treated alloy steel forgings intended for use as turbine rotor disks and wheels.
The values stated in inch-pound units are to be regarded as standard.