corrosion resistance nickel HASTELLOY G-35 alloy for valve parts 

Hastelloy G-35 is an upgrade version of Hastelloy G-30. It has extraordinary resistance in the wet process phosphoric acid production environment, which is widely used in fertilizer production. Its performance in this environment is far superior to Hastelloy G-30 and stainless steels. It can also resist localized corrosion and chloride-induced stress corrosion cracking in chlorides containing media. Because of its high chromium content, Hastelloy G-35 is extremely resistant to other oxidizing acids, such as nitric acid and mixtures containing nitric acid. As a result of its appreciable molybdenum content, it possesses moderate resistance to reducing acids, and unlike other nickel-chromium-molybdenum alloys, it is very resistant to caustic dealloying in hot sodium hydroxide.

Applications: Wet process phosphoric acid production evaporators, pickling equipment using nitric acid and hydrofluoric acid, caustic neutralizing systems, and chemical process industry systems involving nitric acid and chlorides.

Available Product Forms:
Rod, bar, forgings, wire, plate, sheet, strip, pipe, tube, pipe fittings. Flanges, Forged fittings, valve parts.

Specifications

Rod, Bar, Wire and Forging Stock: ASTM B564, ASTM B472, ASTM B574
Plate, Sheet and Strip: - ASTM B 575;

Pipe and Tube: - ASTM B622.

Pipe fittings: ASTM B366 WPHG35

flanges, Forged fittings, valve parts: ASTM B462

Chemical composition

mechanical property:

specifications:

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