ASTM ASTM A940/A940M-06(2016) - August 15, 2019 - admin Click here to purchase 1.1 This specification covers vacuum treated, alloy steel forgings, differentially heat treated for turbine rotors. Product Details Published: 03/01/2016 Number of Pages: 4 File Size: 1 file , 76 KB Post navigation JIS M 0202:1999/AMENDMENT 1:2015JIS M 0202:1999