... 03, ASTM B637-03, AMS 5662M, AMS 5663M, DIN 2.4668, UNS N07718 and API 6A718. Bright round bar: Dia13 ... -200mm 1. Aprecipitation hardening nickel-base superalloy.2. Double vacuum melting(VIM+VAR) with extremely low content of gas.3. ... 03, ASTM B637-03, AMS 5662M, AMS 5663M, DIN 2.4668, UNS N07718 and API 6A718.Available SizeBright bar: Φ13 ... cryogenic storage tank. Ni-Base Super Alloy 718 (VIM+VAR)