HASTELLOY® alloy G-30 (UNS N06030) Ni 46, Cr 30.0 Fe 15.0, Mo 5.5, W 2.5 Good resistance to a variety of environments, such as : phosphoric acid, sulfuric acid, and nitric fluoride applications. Also oxidizing acid mixtures.
Resists the formation of grain boundary precipitates in weld heat affected zone, making it very suitable for use in applications as-welded.