ASTM ASTM A471/A471M-09(2014) - August 15, 2019 - admin Click here to purchase 1.1 This specification covers vacuum-treated alloy steel forgings intended for use as turbine rotor disks and wheels. Product Details Published: 10/01/2014 Number of Pages: 5 File Size: 1 file , 81 KB Post navigation ASTM C1113/C1113M-09(2013)ASTM A471/A471M-09