Alloy 80A offers outstanding creep resistance properties.
A precipitation hardened alloy, Alloy 80A offers high tensile and creep rupture properties up to 815ºC.
| % | Ni | Cr | Cu | Co | C | Mn | Si | S | Fe | Ti | Al | B | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Balance | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.8 | 1 | 0 | 0 |
| Max | Balance | 21 | 0.2 | 2 | 0.1 | 1 | 1 | 0.015 | 3 | 2.7 | 1.8 | 0.008 | 0.15 |
Alloy 80A demonstrates excellent corrosion resistance combined with high mechanical properties and creep resistance up to 815ºC. Good machinability and weldability make the alloy perfect for use in a variety of markets including aerospace, oil and gas and motorsport.
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| 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 | 595°C | 648.9°C | 705°C | 760°C | 815°C | 982°C |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultimate Tensile Strength /Mpa, + | 1186 | 1180 | 1162 | 1157 | 1122 | 1115 | 1105 | 1082 | 1058 | 996 | 926 | 767 | 625 | 94 |
| 0.2% Yield Strength /Mpa + | 751 | 749 | 740 | 749 | 744 | 742 | 745 | 746 | 741 | 725 | 667 | 600 | 464 | 59 |
| Reduction of area % + | 32 | 32 | 33 | 33 | 34 | 34 | 36 | 36 | 36 | 36 | 35 | 35 | 36 | >60 |
| Elongation % + | 46 | 45 | 45 | 45 | 46 | 45 | 47 | 47 | 43 | 40 | 42 | 47 | 58 | 75 |
| 10,000 hr Rupture Strength, MPa | - | - | - | - | - | - | - | 600 | 440 | - | 220 | 130 | 54 | - |
| Coefficient of Thermal Expansion /µm/m°C ** | 12.7 | 12.7 | 12.7 | 13.3 | 13.7 | 14.1 | 14.1 | 14.4 | - | 15 | - | 16.2 | 16.2 | 18.1 |
| Thermal Conductivity /kcal/(hr.m.°C) ** | 9.63 | 9.98 | 9.98 | 12.38 | 13.85 | 15.31 | 15.31 | 16.68 | - | 17.89 | - | 21.07 | 21.07 | 24.42 |
| Modulus of Elasticity / GPa | 183 | 179 | 179 | 173 | 168 | 163 | 163 | 157 | - | 150 | - | 142 | 134 | 112 |
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