Hastelloy C22 is a high-performance, nickel-based superalloy known for its outstanding corrosion resistance, oxidation stability, and strong performance in aggressive chemical environments. Classified as a Ni-Cr-Mo alloy, C22 maintains mechanical integrity under extreme thermal cycles and offers exceptional resistance to pitting, crevice corrosion, and stress-induced cracking.
The alloy is optimized for powder-bed fusion manufacturing, including laser-based metal additive processes, where homogenous particle density and flowability directly impact final part quality. Its chemistry - high chromium and molybdenum with balanced nickel content -enables long-term durability for critical hardware exposed to heat, chemicals, and cyclic loads.
Turbine-adjacent components, shafts, fasteners, and structural hardware requiring oxidation resistance and environmental reliability.
High-stress engine and drivetrain parts, corrosion-exposed exhaust components, and durable support-free prototypes for validation cycles.
Biocompatible surgical tools, wear-resistant device housings, and custom component builds where long exposure to sterilization cycles demands chemical resilience.
Injection molds, dies, and tooling inserts are exposed to repetitive thermal cycling and mechanical stress without premature degradation.
Pumps, valves, pressure hardware, marine components, and chemical processing fixtures where corrosion safety margins are critical.
Missile, actuator, and weapon-system micro-mechanisms require dimensional stability, crack resistance, and mechanical reliability in harsh environments.
| Property | Value |
|---|---|
| Tensile Strength | 690 – 760 MPa |
| Yield Strength | 283 – 360 MPa |
| Modulus of Elasticity | ~205 GPa |
| Elongation at Break | 40 – 45% |
| Thermal Conductivity | 9.6 – 11.0 W/m·K |
| Density | 8 g/cm³ |
| Melting Point | 1355 – 1399°C |
| Hardness | 18 – 24 HRC |
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