A Nickel-Chromium alloy with an addition of aluminium to give outstanding resistance to oxidation and other forms of high temperature corrosion. It also has high mechanical properties at elevated temperatures.
Inconel® 601 is also known as Nicrofer 6023, Incoloy 601, Nicrimphy 601, and Pyromet 601.
| Element | Min % | Max % |
| Ni | 58.00 | 63.00 |
| Cr | 21.00 | 25.00 |
| S | – | 0.015 |
| Mn | – | 1.00 |
| Al | 1.00 | 1.70 |
| C | – | 0.10 |
| Cu | – | 1.00 |
| Si | – | 0.50 |
| Fe | bal | |
Density
8.11g/cm³ | 0.293 lb/in³
Melting Point
1411°C | 2571°F
Coefficient of Expansion
13.75 μm/m °C (20 – 100°C) | 7.6 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity
81.2 kN/mm² | 11777 ksi
Modulus of Elasticity
206.5 kN/mm² | 29951 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 | 480 – 870 | 900 – 1600 | 1 | Air |
| Temperature depends on composition and amount of cold work. | |||||
Properties
| Condition | Approx. tensile strength | Approx. operating temperature | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 700 – 900 | 102 – 131 | -200 to +1000 | -330 to +1830 |
| Spring Temper | 1200 – 1450 | 174 – 210 | -200 to +1000 | -330 to +1830 |