Haynes® 25 alloy, vacuum investment castings, solution treated, tested at 650°C (1200°F)
Subcategory: Cobalt Base; Metal; Superalloy
Key Words: UNS R30605, AMS 5537, AMS 5759, AMS 5796, AMS 5795
| Component | Wt. % |  | | | C | 0.1 | | | Co | 51 | | | Cr | 20 | | | Fe | Max 3 | | | Mn | 1.5 | | | Ni | 10 | | | Si | Max 0.4 | | | W | 15 | |
|
Material Notes:
Excellent high-temperature strength with good resistance to oxidizing environments up to 980°C for prolonged exposures and excellent resistance to sulfidation and excellent resistance to metal galling. Applications in the aerospace industry, including parts in military and commercial gas turbine engines. Data provided by the manufacturer, Haynes International, Inc.
| Physical Properties | Metric | English | Comments |
|
| Density | 9.13 g/cc | 0.33 lb/in³ | at RT |
Mechanical Properties |
|
| Tensile Strength, Ultimate | 510 MPa | 74000 psi | |
| Tensile Strength, Yield | 185 MPa | 26800 psi | at 0.2% |
| Elongation at Break | 30 % | 30 % | in 5D |
| Reduction of Area | 34 % | 34 % | |
| Modulus of Elasticity | 225 GPa | 32600 ksi | RT |
| Modulus of Elasticity at Elevated Temperature | 146 GPa | 21200 ksi | 1000°C (1830°F) |
| Modulus of Elasticity at Elevated Temperature | 154 GPa | 22300 ksi | 900°C (1650°F) |
| Modulus of Elasticity at Elevated Temperature | 163 GPa | 23600 ksi | 800°C (1470°F) |
| Modulus of Elasticity at Elevated Temperature | 174 GPa | 25200 ksi | 700°C (1290°F) |
| Modulus of Elasticity at Elevated Temperature | 181 GPa | 26300 ksi | 600°C (1110°F) |
| Modulus of Elasticity at Elevated Temperature | 188 GPa | 27300 ksi | 500°C (930°F) |
| Modulus of Elasticity at Elevated Temperature | 197 GPa | 28600 ksi | 400°C (750°F) |
| Modulus of Elasticity at Elevated Temperature | 204 GPa | 29600 ksi | 300°C (570°F) |
| Modulus of Elasticity at Elevated Temperature | 214 GPa | 31000 ksi | 200°C (390°F) |
| Modulus of Elasticity at Elevated Temperature | 222 GPa | 32200 ksi | 100°C (212°F) |
| Charpy Impact | 262 J | 193 ft-lb | at RT, 148 J at -196°C (-320°F), 182 J at -138°C (-216°F), 212 J at -78°C (-108°F), 243 J at -29°C (-20°F), 297 J at 260°C (500°F), 273 J at 540°C (1000°F), 230 J at 650°C (1200°F), 194 J at 760°C (1400°F), 163 J at 870°C (1600°F), 144 J at 980°C (1800°F) |
Electrical Properties |
|
| Electrical Resistivity | 8.86e-005 ohm-cm | 8.86e-005 ohm-cm | RT |
| Electrical Resistivity at Elevated Temperature | 0.0001011 ohm-cm | 0.0001011 ohm-cm | 900°C (1650°F) |
| Electrical Resistivity at Elevated Temperature | 0.0001066 ohm-cm | 0.0001066 ohm-cm | 700°C (1290°F) |
| Electrical Resistivity at Elevated Temperature | 0.0001078 ohm-cm | 0.0001078 ohm-cm | 800°C (1470°F) |
| Electrical Resistivity at Elevated Temperature | 9.5e-005 ohm-cm | 9.5e-005 ohm-cm | 1000°C (1830°F) |
Thermal Properties |
|
| CTE, linear 20°C | 12.3 µm/m-°C | 6.83 µin/in-°F | 25-100°C (77-212°F) |
| CTE, linear 250°C | 12.9 µm/m-°C | 7.17 µin/in-°F | 25-200°C (77-390°F) |
| CTE, linear 500°C | 13.6 µm/m-°C | 7.56 µin/in-°F | 25-300°C (77-570°F) |
| CTE, linear 500°C | 14.3 µm/m-°C | 7.94 µin/in-°F | 25-500°C (77-930°F) |
| CTE, linear 500°C | 14.3 µm/m-°C | 7.94 µin/in-°F | 25-400°C (77-750°F) |
| CTE, linear 1000°C | 14.6 µm/m-°C | 8.11 µin/in-°F | 25-600°C (77-1110°F) |
| CTE, linear 1000°C | 15.1 µm/m-°C | 8.39 µin/in-°F | 25-700°C (77-1290°F) |
| CTE, linear 1000°C | 15.8 µm/m-°C | 8.78 µin/in-°F | 25-800°C (77-1440°F) |
| CTE, linear 1000°C | 16.5 µm/m-°C | 9.17 µin/in-°F | 25-900°C (77-1650°F) |
| CTE, linear 1000°C | 17 µm/m-°C | 9.44 µin/in-°F | 25-1000°C (77-1830°F) |
| Thermal Conductivity | 9.4 W/m-K | 65.2 BTU-in/hr-ft²-°F | RT |
| Thermal Conductivity at Elevated Temperature | 10.9 W/m-K | 75.6 BTU-in/hr-ft²-°F | 100°C (212°F) |
| Thermal Conductivity at Elevated Temperature | 12.9 W/m-K | 89.5 BTU-in/hr-ft²-°F | 200°C (390°F) |
| Thermal Conductivity at Elevated Temperature | 14.8 W/m-K | 103 BTU-in/hr-ft²-°F | 300°C (570°F) |
| Thermal Conductivity at Elevated Temperature | 16.8 W/m-K | 117 BTU-in/hr-ft²-°F | 400°C (750°F) |
| Thermal Conductivity at Elevated Temperature | 18.7 W/m-K | 130 BTU-in/hr-ft²-°F | 500°C (930°F) |
| Thermal Conductivity at Elevated Temperature | 20.7 W/m-K | 144 BTU-in/hr-ft²-°F | 600°C (1110°F) |
| Thermal Conductivity at Elevated Temperature | 22.6 W/m-K | 157 BTU-in/hr-ft²-°F | 700°C (1290°F) |
| Thermal Conductivity at Elevated Temperature | 24.7 W/m-K | 171 BTU-in/hr-ft²-°F | 800°C (1470°F) |
| Thermal Conductivity at Elevated Temperature | 26.7 W/m-K | 185 BTU-in/hr-ft²-°F | 900°C (1650°F) |
| Thermal Conductivity at Elevated Temperature | 29.2 W/m-K | 203 BTU-in/hr-ft²-°F | 1000°C (1830°F) |
| Melting Point | 1330 - 1410 °C | 2430 - 2570 °F | |
| Solidus | 1330 °C | 2430 °F | |
| Liquidus | 1410 °C | 2570 °F | |
Some of the values displayed above may have been converted from their original units and/or rounded in
order to display the information in a consistant format. Users requiring more precise data for scientific or
engineering calculations can click on the property value to see the original value as well as raw conversions
to equivalent units. We advise that you only use the original value or one of its raw conversions in your
calculations to minimize rounding error. We also ask that you refer to MatWeb's disclaimer and terms of use
regarding this information. MatWeb data and tools provided by MatWeb, LLC.
|
