Hastelloy C-2000* Specification
*Trade name of
Haynes International
- W.NR 2.4675
- UNS N06200
- AWS 055
Applicable Standards:
- ASTM B619
- ASTM B574
This alloy was developed to broaden the application range of one alloy. With the addition of Copper to the Nickel-Chromium-Molybdenum system, Hastelloy C-2000 is resistant to an extensive range of corrosive chemicals, including sulphuric, hydrochloric and hydrofluoric acids. The combination of Molybdenum and Copper provide excellent corrosion resistance to reducing media, while the high Chromium content gives good oxidising resistance.
| 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:
- Chemical processing
| Approximate Chemical Composition | |
| Ni | 59% |
| Cr | 23% |
| Mo | 16% |
| Cu | 1.6% |
| Properties | ||
| DENSITY | 8.5 g/cm3 | 0.307 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 | 79 kN/mm2 | 11458 ksi |
| MODULUS OF ELASTICITY | 206 kN/mm2 | 29878 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 | 700 - 1000 N/mm2 | 102 - 145 ksi | -200 to +400oC | -330 to +750oF |
| Spring Temper | 1300 - 1600 N/mm2 | 189 - 232 ksi | -200 to +400oC | -330 to +750oF |
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