A Nickel-Chromium-Molybdenum alloy with better overall resistance and versatility than any other NiCrMo available. It has excellent resistance to localised corrosion and to a variety of mixed industrial chemicals.
Hastelloy C-22 is also known as Nicrofer 5621, Superimphy C22, and Inconel 622.
| Chemical Composition | Specifications | Designations | Key Features | Typical Applications | |||||||||||||||||||||||||||||||||||||||
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ASTM B574 ASTM B575 ASTM B619 ISO 15156-3 (NACE MR 0175) |
W.Nr 2.4602 UNS N06022 AWS 053 |
Better overall corrosion resistance than Hastelloy C-4 & C-276 and Inconel 625 Outstanding resistance to pitting, crevice corrosion and stress corrosion cracking |
Chlorination systems Nuclear fuel reprocessing Pickling systems |
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| Density | 8.69 g/cm³ | 0.314 lb/in³ |
| Melting Point | 1399°C | 2550°F |
| 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 |
| Heat Treatment of Finished Parts | |||||
|---|---|---|---|---|---|
| Condition as supplied by Alloy Wire | Type | Temperature | Time (Hr) | Cooling | |
| °C | °F | ||||
| Annealed or Spring Temper | Stress Relieve | 400 – 450 | 750 – 840 | 2 | Air |
| Properties | ||||
|---|---|---|---|---|
| Condition | Approx. tensile strength | Approx. operating temperature | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 800 – 1100 | 116 – 159 | -200 to +400 | -330 to +750 |
| Spring Temper | 1400 – 1700 | 203 – 247 | -200 to +400 | -330 to +750 |
The above tensile strength ranges are typical. If you require different please ask.
*Trade name of Haynes International
