Hastelloy C-22* Specification
*Trade name of
Haynes International
- W.NR 2.4602
- UNS N06022
- AWS 053
Applicable Standards:
- ASTM B619
- ASTM B574
- NACE MR0175 / ISO 15156-3
A Nickel-Chromium-Molybdenum alloy with better overall corrosion resistance and versatility than any other NiCrMo available. It has excellent resistance to localised corrosion and to a variety of mixed industrial chemicals.
| Good Mechanical Properties at Elevated Temperatures | No |
| Corrosion Resistant at Ambient Temperatures | Yes |
| Corrosion Resistant & Good Mechanical Properties at Elevated Temperatures | No |
| Oxidation Resistant | Yes |
| Precipitation Hardenable | No |
Applications include:
- Chlorination systems
- Nuclear fuel reprocessing
- Pickling systems
| Approximate Chemical Composition | |
| Ni | 56% |
| Cr | 22% |
| Mo | 13% |
| Co | 2.5% max |
| W | 3% |
| Fe | 3% |
| Properties | ||
| DENSITY | 8.69 g/cm3 | 0.314 lb/in3 |
| MELTING POINT | 1399oC | 2550oF |
| COEFFICIENT OF EXPANSION | 12.4 µm/m °C (20 - 100°C) |
6.9 x 10-6 in/in
°F (70 - 212°F) |
| MODULUS OF RIGIDITY | 78.6 kN/mm2 | 11400 ksi |
| MODULUS OF ELASTICITY | 205.5 kN/mm2 | 29806 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed/Spring Temper | Stress relieve at 400 - 450oC (750 - 840oF) for 2 hours and air cool. |
| CONDITION | APPROX TENSILE STRENGTH | APPROX SERVICE TEMPERATURE | ||
| Annealed | 800 - 1100 N/mm2 | 116 - 159 ksi | -200 to +400oC | -330 to +750oF |
| Spring Temper | 1400 - 1700 N/mm2 | 203 - 247 ksi | -200 to +400oC | -330 to +750oF |
Alternatively call us on +44 (0)1384 566775
or email us at
Print this page...
Request a Brochure...
