Haynes 25/L605 is a Cobalt-Nickel-Chromium-Tungsten alloy that combines good high temperature strength with good resistance to oxidising environments up to 980oC (1795oF) for long exposures. It also has excellent resistance to sulphidation.
Haynes 25/L605 is also known as Udimet L605.
| Chemical Composition | Specifications | Designations | Key Features | Typical Applications | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
AMS 5796 AMS 5759 ASTM F90 BS HR 40 ISO 15156-3 (NACE MR 0175) |
W.Nr 2.4964 UNS R30605 AWS 060 |
Good resistance to oxidising environments at high temperatures for long exposures Excellent resistance to sulphidation High temperature static applications** |
Parts for gas turbine engines and bearings | |||||||||||||||||||||||||||||||||
| Density | 9.13 g/cm³ | 0.330 lb/in³ |
| Melting Point | 1410°C | 2570°F |
| Coefficient of Expansion | 12.3 μm/m °C (20 – 100°C) | 6.8 x 10-6 in/in °F (70 – 212°F) |
| Modulus of Rigidity | 98 kN/mm² | 14214 ksi |
| Modulus of Elasticity | 225 kN/mm² | 32634 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 depending on load** and environment | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 900 – 1500 | 131 – 218 | -200 to +900 | -330 to +1650 |
| Spring Temper | 1400 – 1800 | 203 – 261 | -200 to +900 | -330 to +1650 |
The above tensile strength ranges are typical. If you require different please ask.
* Trade name of Haynes International
** Static applications = still/fixed/motionless/rigid
