Hastelloy Alloys

Hastelloy Alloys 

Hastelloy is a trademarked name for a family of corrosion-resistant metal alloys primarily composed of nickel, with other elements such as molybdenum, chromium, and iron. These alloys are designed for high-performance applications where resistance to corrosion, oxidation, and high-temperature stability is essential.

Other Series

HASTELLOY C-276、UNS N10276、2.4819、HASTELLOY C276、NS3304、NS334、NiMo16Cr15Fe6W4、HASTELLOY C-22、Inconel 22、Alloy C-22、UNS NO6022、2.4602、HASTELLOY C-4、UNS NO6455、2.4610、NS335、NiMo16Cr16Ti、HASTELLOY C-2000、UNS NO6002、2.4675、HASTELLOY B-2、HASTELLOY B2、UNS N10665、2.4617、NS322、NiMo28、 HASTELLOY B-3、HASTELLOY B3、UNS N10675、2.4600、NS323、NiMo28、hastelloy G-3、hastelloy G3、N06985‌、NW6690‌1、UNS N06985、NS3404、Nicrofer、023hMo、2.4619、HASTELLOY G-30、UNS NO6030、NS3404、‌2.4603、N06030、NICR30FEMO、‌Nicrofer4825hMo、‌HASTELLOY G-35、UNS NO6035、2.4643、Hastelloy X、GH3536、GH536、NC22FeD、2.4665、NiCr22Fe18Mo、UNS NO6002、Hastelloy C2000、UNS N06200、2.4675、Hastelloy D-205、Hastelloy X、N06002、2.4665、UNS N06002、Haynes 25、R30605、L605、UNS R30605、Haynes HR-120、N08120、UNS N08120、Haynes HR-160、N12160、UNS N12160、Haynes 214、N07041、Haynes 230、N06230、Haynes 230-W、N06231、Haynes 242、N10242、Haynes 556、R30556、HASTELLOY G-50 alloy、NS3310、Hastelloy G-50、N06950、HASTELLOY N alloy、N10003、HASTELLOY N、‌HASTELLOY S alloy、UNS N06635、HASTELLOY S、HASTELLOY W alloy、HASTELLOY W、N10004、HAYNES 75 alloy、HAYNES 75、UNS N06075、HAYNES 233 alloy、HAYNES 233、N06233、HAYNES 242 alloy、HAYNES 242、UNS N10242、GH242、HAYNES 263 alloy、HAYNES 263、UNS N07263、W.Nr 2.4650、HAYNES 282 alloy、HAYNES 282、N07208、HAYNES 556 alloy、HAYNES 556、UNS R30556、HAYNES HR-120 alloy、HAYNES HR-120、UNS N08120、HAYNES HR-160 alloy、HAYNES HR-160、UNS N12160、HAYNES HR-224 alloy、HAYNES HR-224、HAYNES HR-235 alloy、HAYNES HR-235、UNS N06235、HAYNES N-86 alloy、HAYNES N-86、HAYNES NS-163 alloy、HAYNES NS-163、HAYNES R-41 alloy、HAYNES R-41、Rene41、HAYNES Waspaloy alloy、HAYNES Waspaloy、HASTELLOY Alloys、HASTELLOY

Key Types of Hastelloy Alloys and Their Common Uses

Hastelloy C-276

◆ Composition: Primarily nickel, with molybdenum and chromium as key elements.
◆ Properties: Excellent resistance to a wide variety of aggressive chemical environments, especially in the presence of chlorine, sulfuric acid, and hydrochloric acid. It is highly resistant to stress corrosion cracking.
◆ Applications: Chemical processing, power plants, pollution control equipment, and pharmaceutical manufacturing.

Hastelloy C-22

◆ Composition: Similar to C-276 but with a slightly different balance of alloying elements, including more chromium.
◆ Properties: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in highly aggressive environments like hydrochloric acid, sulfuric acid, and other chlorides.
◆ Applications: Chemical and petrochemical processing, marine environments, flue gas desulfurization.

Hastelloy B-2

◆ Composition: Primarily nickel with high levels of molybdenum.
◆ Properties: Outstanding resistance to hydrochloric acid and other reducing environments.
◆ Applications: Ideal for applications where exposure to hydrochloric acid in reducing conditions is expected.

Hastelloy X

◆ Composition: A nickel-based alloy with significant amounts of iron and chromium.
◆ Properties: Excellent high-temperature strength, oxidation resistance, and weldability. It can maintain its structural integrity at temperatures as high as 2,000°F (1,093°C).
◆ Applications: Aerospace and gas turbine applications, combustion chambers, and exhaust systems.

Hastelloy C-4

◆ Composition: Nickel, molybdenum, and chromium, with small amounts of iron and tungsten.
◆ Properties: Excellent resistance to both oxidizing and reducing environments, particularly in acid-rich environments.
◆ Applications: Applications involving sulfuric acid, phosphoric acid, and other aggressive chemicals.

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General Applications of Hastelloy Alloys

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Chemical Processing

Due to their exceptional corrosion resistance, Hastelloy alloys are used in reactors, heat exchangers, and piping systems that handle aggressive chemicals.

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Aerospace

Hastelloy X, for example, is used in jet engines, gas turbines, and other components that need to withstand high temperatures and oxidation.

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Marine

The alloys are often used in saltwater environments where resistance to corrosion is crucial.

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Pharmaceutical

Used in equipment for the production of drugs and in environments requiring sterile conditions due to their resistance to corrosion and contamination.