A nickel alloy with exceptional resistance to “wet process” phosphoric acid HASTELLOY® G-35® alloy (UNS N06035) was designed to resist “wet process” phosphoric acid (P2 O5 ), which is used in the production of fertilizers. Tests in real-world solutions indicate that G-35 alloy is far superior to other metallic materials in this acid. It was also designed to resist localized attack in the presence of chlorides, since this can be a problem beneath deposits in evaporators used to concentrate “wet process” phosphoric acid. Furthermore, G-35 alloy is much less susceptible to chloride-induced stress corrosion cracking than the stainless steels and nickel-chromium-iron alloys traditionally used in “wet process” phosphoric acid.
HASTELLOY(r) X alloy is used industrial furnace applications such as structural components. This alloy is also used in gas turbines in the hot combustor zone sections and petrochemical process equipment.
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