Nickel alloys
EU
2.4610 | NiMo16Cr16Ti
US
Alloy C4 | UNS N06455
The combination of chromium with high molybdenum content gives the 2.4610 alloy its exceptional resistance to a wide range of chemicals such as reductic mineral acids, chloride, as well as organic and non-organic environments contaminated by chloride.

Hastelloy C4 - UNS N06455 nickel alloy - Available from stock
The 2.4610 alloy, also known by the names Hastelloy C4 or UNS N06455, is a nickel-molybdenum-chromium-titanium-based superalloy.
Technical overview of this alloy:
- Europe: 2.4610 | NiMo16Cr16Ti
- USA: Alloy C4 | UNS N06455
- Europe: DIN 17744
- USA: ASTM B622 | B619 | B626 | B575 | B574 | B366
- Exceptional corrosion resistance: particularly effective in reductic mineral acid media, solutions containing chloride, as well as organic and non-organic environments contaminated by chloride.
- Chemical stability: offers good resistance even in conditions with high temperatures and environments with harsh chemicals.
- The unique make-up of this superalloy means it can withstand pitting corrosion, stress corrosion, as well as stress corrosion cracking, making it an ideal choice for use in extreme conditions.
- The C4 Hastelloy alloy is known for its ability to provide reliable protection against corrosion in a wide range of chemical conditions, where traditional alloys may prove insufficient.
Properties
- Exceptional corrosion resistance: particularly effective in reductic mineral acid media, solutions containing chloride, as well as organic and non-organic environments contaminated by chloride.
- Chemical stability: offers good resistance even in conditions with high temperatures and environments with harsh chemicals.
Standards and Designations
Heat treatment
Special advantages
- The unique make-up of this superalloy means it can withstand pitting corrosion, stress corrosion, as well as stress corrosion cracking, making it an ideal choice for use in extreme conditions.
- The C4 Hastelloy alloy is known for its ability to provide reliable protection against corrosion in a wide range of chemical conditions, where traditional alloys may prove insufficient.
Conclusion
Application
- The Hastelloy C4 alloy is widely used in the chemical industry, e.g. for reactors, heat exchangers, distilling heads and other equipment exposed to extremely corrosive media.
- Suitable for wastewater treatment applications, pulp & paper manufacturing, and acid production processes.