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Hastelloy C-4

Hastelloy C-4

Hastelloy C-4 is an alloy composed of Nickel, Chromium, and Molybdenum that offers remarkable stability at elevated temperatures, as well as good ductility and corrosion resistance. Furthermore, it boasts exceptional resistance to both high temperature corrosion and stress corrosion cracking.

Equivalent grades

• Hastelloy C-4
• UNS N06455
• DIN 2.4610
• Alloy C-4
• NiMo16Cr16Ti

Chemical Composition Reference


Physical Property Reference

• Density: 8.64 g/cm³

• Tensile Strength: 690-860 MPa

• Yield Strength: 172-345 MPa

• Modulus of Elasticity: 211 GPa

• Heat Treatment: 1065 ℃

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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Hastelloy C-4

Essential details
Hastelloy C-4 is a Nickel-Chromium-Molybdenum alloy that offers exceptional stabilization at the elevated temperatures, good ductility and resistance to corrosion properties. It retains its characteristics even after aging up to 1200℉ to 1900℉ or 649℃ to 1038℃. Alloy C-4 offers resistance to grain development precipitation in the welding area so it is highly suitable for the chemical processes in the welding condition. It offers extremely high resistance to stress corrosion cracking and oxidizing conditions up to 1900℉ or 1038℃.

Hastelloy C-4 offers resistance to mineral acids, organic and inorganic acids, sea water and brine solutions. It has service temperature up to 1900℉ or 1038℃. Outstanding resistance to high temperature corrosion and stress corrosion cracking. Great material for use in chemical processing plants and nuclear fuel processing.


- Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings

- Flue gas desulfurization systems

- Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping

- Sour gas wells

- Pulp and paper production, Waste treatment

pharmaceutical and food processing equipment

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