HASTELLOY® X alloy is a nickel-chromium-iron-molybdenum alloy that offers excellent oxidation resistance and strength at elevated temperatures.
Chemical composition
| Composition |
USN N06002 |
| Nickel | Balance |
| Carbon | 0.05 - 0.15 |
| Chromium | 20.5 - 23.0 |
| Iron | 17.0 - 20.0 |
| Molybdenum | 8.0 - 10.0 |
| Cobalt | 0.5 - 2.5 |
| Tungsten | 0.20 - 1.0 |
| Manganese | 1.00 max |
| Silicon | 1.00 max |
| Phosphorus | 0.040 max |
| Sulfur | 0.030 max |
Physical properties
| Metric | English | |
| Density | 8.22 g/cm³ | 0.297 lbs/in³ |
| Modulus of elasticity | 205 GPa | 29.7 Mpsi |
| Electrical Resistivity | 1,115 µohm*mm | 45.4 µohm*in |
| Thermal Conductivity | 9.2 W/(m*°C) | 63 BTU*in/(hr*ft²*°F) |
| Coefficient of thermal expansion | 13.8 µm/(m*°C) | 7.7 µin/(in*°F) |
*Values calculated at 22 °C [72 °F]
Mechanical properties
| Cold worked % |
Yield strength |
Ultimate tensile strength |
Elongation |
| 0 | 427 MPa [62 ksi] | 827 MPa [120 ksi] | 38 |
| 20 | 1014 MPa [147 ksi] | 1165 MPa [169 ksi] | 5.8 |
| 37 | 1131 MPa [164 ksi] | 1303 MPa [189 ksi] | 3.9 |
|
50 |
1379 MPa [200 ksi] | 1558 MPa [226 ksi] | 3.1 |
|
60 |
1310 MPa [210 ksi] | 1627 MPa [230 ksi] | 2.4 |
|
* Values are typical and may not represent all diameters. Test method will affect results. |
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