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Hastelloy is a nickel-based corrosion-resistant alloy, mainly divided into two categories: nickel-chromium alloys and nickel-chromium-molybdenum alloys. Hastelloy has good corrosion resistance and thermal stability, and is mostly used in the aviation business, chemical field, etc.
Hastelloy alloy is a generic name for the commercial grades of nickel-based corrosion-resistant alloys produced by Hastelloy International, Inc. These include nickel-molybdenum Hastelloy B-2, nickel-chromium-molybdenum Hastelloy C-4, etc.
Hastelloy grades include the following grades.
HASTELLOY B-2 Nickel-molybdenum alloy with excellent corrosion resistance in reducing environments HASTELLOY B-3 An upgraded version of B-2 with excellent corrosion resistance to hydrochloric acid at any temperature and concentration.
HASTELLOY C-4 Better thermal stability, good toughness and corrosion resistance at 650-1040 degrees C
HASTELLOY C-22 Better resistance to uniform corrosion in oxidizing media than C-4 and C-276, excellent resistance to localized corrosion HASTELLOY C-276 Better resistance to oxidizing and moderate reducing corrosion, excellent resistance to stress corrosion HASTELLOY C-2000 The most versatile corrosion resistant alloy, in both oxidizing and reducing environments Excellent resistance to uniform corrosion.
HASTELLOY G-35 An upgrade of G-30 with better corrosion resistance and thermal stability HASTELLOY G-30 A nickel-based alloy with high chromium content that performs well in phosphoric acid and other strong oxidizing acid mixtures
HASTELLOY X combines high strength, oxidation resistance and easy processing characteristics of each grade above have specific chemical composition, mechanical properties, each has its own strengths, can not be generalized to say what characteristics of Hastelloy.