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Hastelloy C22 Hastelloy C22®, Nicrofer® 5621
Hastelloy C276 Nickelvac® HC-276, Inconel® C276, Nicrofer® 5716

 

Hastelloy® is one of the popular nickel steel alloys. More than most other metals of similar chemistry, Hastelloy® offers superior protection against powerful chemical corrosion and comes with one of the best high-temperature strengths of any other steel. It's no wonder that this types of steel choice for countless applications in energy, health and environmental, oil and gas, pharmaceutical and flue gas desulfurization industries are increasingly using.

Alloys of identical mechanical and chemical properties are available from other excellent and offer manufacturers alternatives to the various Hastelloy® brand alloys.

Nexus Metal & Alloys supplies Hastelloy C276 and Hastelloy C22 in the form of plate, sheet, strip, bar, wire, pipe, tubing, pipe fittings and flanges.

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Hastelloy C22 :

A most versatile product like nickel-chromium-molybdenum-tungsten alloy available today with improved resistance to both localized and uniform corrosion as well as to a variety of mixed industrial chemicals but the Hastelloy C-22 alloy exhibits superior weldability and is used as weld overlay consumablesover and alloy filler wire to improve resistance to corrosion.

Hastelloy C-22 alloy has exceptional resistance to a wide variety of chemical process environments, including strong oxidizers such as cupric and ferric chlorides, chlorine, hot contaminated solutions like (inorganic and organic), acetic anhydride and acetic acids, formic, and seawater and brine solutions. Hastelloy C-22 alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition..

Nexus Metal & Alloys supplies Hastelloy C22 in the form of Hastelloy plate, Hastelloy sheet, Hastelloy strip, Hastelloy bar, Hastelloy wire, Hastelloy pipe, Hastelloy tubing, Hastelloy pipe fittings and Hastelloy flanges.

Hastelloy C-22 should not be used in service temperatures above 1250° F due to the formation of detrimental phases which form above this temperature.

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Hastelloy C276 :

Excellent corrosion-resistant to both oxidizing and reducing media and excellent resistance to localized corrosion attack.
HASTELLOY® C-276 alloy is a nickel-molybdenum-chromium wrought alloy that is generally considered a versatile corrosion-resistance alloy. C-276 alloy is an improved wrought version of alloy C in that it usually doesn't need to be solution heat-treated after welding and has vastly improved fabricability. This alloy resists the formation of grain-boundary precipitaties in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition. However, in environments where attack of the C-276 alloy weld joint is experienced, C-22® weld filler materials should be considered.

HASTELLOY C-276 alloy has excellent resistance to a wide variety of chemical process environments, including strong oxidizers such as ferric and cupric chlorides, hot contaminated media (organic and inorganic), chlorine, formic and acetic acids, acetic anhydride, and seawater and brine solutions. It is used in flue gas desulfurization systems because of its excellent resistance to sulfur compounds and chloride ions encounted in most scrubbers. C-276 alloy has excellent resistance to pitting and to stress-corrosion cracking. It is also one of the few materials that withstands the corrosive effects of wet chlorine gas, hypochlorite, and chlorine dioxide.

Nexus Metal & Alloys supplies Hastelloy C22 in the form of Hastelloy plate, Hastelloy sheet, Hastelloy strip, Hastelloy bar, Hastelloy wire, Hastelloy pipe, Hastelloy tubing, Hastelloy pipe fittings and Hastelloy flanges.

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