Hastelloy is a registered trademark of Haynes International Corp. There are a number of grades but the most common is "C". The UNS number is N10276 amd the ASTM material reference is A494 gr CW-12MW. The material has excellent resistance to localized corrosion and to both oxidizing and reducing media. The material can be provided in the forms of plate, sheet, castings, tubing and rod.

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