Nickel
NI-625
The material 2.4856 / NI-625 is a corrosion-resistant, high-strength nickel-chromium-molybdenum superalloy. Its high chromium and molybdenum content give the alloy outstanding resistance to pitting, crevice, and general corrosion, even in aggressive chloride-containing and marine environments. Unlike many nickel-based superalloys, 2.4856 derives its strength primarily through solid-solution strengthening rather than precipitation hardening, giving it an excellent combination of high strength, toughness, and ductility across a wide temperature range, from cryogenic conditions up to approximately 980 °C.
Properties
- High strength and toughness over a wide temperature range
- Excellent corrosion resistance (pitting, crevice, and general)
- Good oxidation resistance at elevated temperatures
- Excellent fatigue and thermal-fatigue strength
Applications
- Chemical and petrochemical process equipment
- Offshore and marine parts (pumps, valves, piping)
- Exhaust, manifold and thermal shielding components
- Heat exchangers and complex flow-path geometries
- Defence Applications
Example parts
Turbine blades from Nickel NI-625
Turbine blades from Nickel NI-625
Material data sheet
Is this the right material for you?
- Corrosion-critical applications (seawater, acids, chlorides)
- Oxidation resistance up to approx. 980°C, load-bearing use up to approx. 650°C
- Complex geometries requiring good weldability and low cracking tendency
- Maximum strength requirements (use NI718 / 2.4668)
- Applications relying on hardening by aging
- Weight-critical applications (try our titanium or aluminum)
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