Precipitation-hardenable nickel-cobalt-chromium grade, Alloy 105 is ideal for high temperature service.
With the addition of molybdenum for solid-solution strengthening, Alloy 105 offers superior strength and heat resistance. The alloy has high creep-rupture properties at temperature up to 950°C.
% | Ni | Co | Cr | Mo | Mn | Cu | Si | C | S | P |
---|---|---|---|---|---|---|---|---|---|---|
Min | - | 18 | 14 | 4.50 | - | - | - | - | - | - |
Max | Balance | 22 | 15.7 | 5.50 | 1 | 0.20 | 0.1 | 0.17 | 0.01 | - |
Alloy 105 has excellent heat resistant properties, high strength and excellent oxidation resistance. The high creep-rupture properties of Alloy 105 makes the alloy perfect for critical gas turbine applications.
Alloy 105 can be heat treated as followed;
For optimum long term creep and ductility at 850-950°C:
4 hours at 1150°C, 16 hours at 1050-1065 °C and 16 hours at 850°C with air cooling after all heat treatment operations.
Where tensile strength, elongation and impact stength are more critical at temperature up to 700°C:
4 hours at 1125°C and 16 hours at 850°C with air cooling after all heat treatment operations.
Mechanical & Physical Properties | 21.1°C | 93.3°C | 148.9°C | 204.4°C | 315.6°C | 371.1°C | 426.7°C | 537.8°C | 648.9°C | 750°C | 815°C | 870°C | 982°C | 1093°C | 1204°C |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ultimate Tensile Strength /MPa | 1140 | 1123 | 1123 | 1084 | 1091 | 1101 | 1101 | 1064 | 1038 | - | - | - | 175 | - | - |
776 | 762 | 762 | 735 | 735 | 743 | 743 | 740 | 720 | - | - | - | 152 | - | - | |
31 | 31 | 31 | 38 | 30 | 39 | 39 | 37 | 38 | - | - | - | 73 | - | - | |
22 | 20 | 20 | 21 | 20 | 24 | 24 | 23 | 25 | - | - | - | 42 | - | - | |
- | - | - | - | - | - | - | - | 428 | 232 | 93 | 54 | - | - | - | |
- | - | - | - | - | - | - | - | 471 | 263 | 135 | 65 | 12 | - | - | |
12.2 | 12.2 | 12.2 | 12.8 | 13.1 | 13.4 | 13.4 | 13.7 | 14 | - | - | - | 18 | - | - | |
9.363 | 10.41 | 10.41 | 11.67 | 12.89 | 14.04 | 14.04 | 15.2 | 16.02 | - | - | - | 22.54 | - | - | |
188 | 184 | 184 | 179 | 174 | 168 | 168 | 161 | 154 | - | - | - | 110 | - | - |
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