Nimonic® 75 is a Nickel-Chromium alloy with good corrosion and heat resistance.
Nimonic® 75 is also known as Nicrofer 7520.
| Chemical Composition | Specifications | Designations | Key Features | Typical Applications | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BS HR 5 BS HR 504 |
W.Nr 2.4951 W.Nr 2.4630 UNS N06075 AWS 032 |
Good corrosion resistance Good heat resistance High temperature static applications ** |
Aerospace fasteners | ||||||||||||||||||||||||||||||||||||||||||
| Density | 8.37g/cm³ | 0.302 lb/in³ |
| Melting Point | 1380°C | 2520°F |
| Coefficient of Expansion | 11.0 μm/m °C (20 – 100°C) | 6.1 x 10-6 in/in °F (70 – 212°F) |
| Modulus of Rigidity | 75.6 kN/mm² | 10965 ksi |
| Modulus of Elasticity | 206 kN/mm² | 29878 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 | 450 – 470 | 840 – 880 | 0.5 – 1 | Air |
| Properties | ||||
|---|---|---|---|---|
| Condition | Approx. tensile strength | Approx. operating temperature depending on load** and environment | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 700 – 800 | 102 – 116 | -200 to +1000 | -330 to +1830 |
| Spring Temper | 1200 – 1500 | 174 – 218 | -200 to +1000 | -330 to +1830 |
The above tensile strength ranges are typical. If you require different please ask.
* Trade name of Special Metals Group of Companies
** High temperature static applications = still/fixed/motionless/rigid
