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Its welding features, especially the resistance to cracking post welding, are deemed outstanding by the manufacturing community. When combined with fatigue, tensile, as well as rupture strength, this alloy has a wide-scale application. These alloy sheets are used for rings, fueled rockets, casings, as well as aircraft parts.
Common Names:
Executive Standards:
Plate, Sheet, and Coil
Round Bar:
Chemical Properties:
Chromium (%) | 17.00 to 21.00 |
Nickel + Cobalt (%) | 50.00 to 55.00 |
Columbium + Tantalum (%) | 4.75 to 5.50 |
Molybdenum (%) | 2.80 to 3.30 |
Aluminum (%) | 0.20 to 0.80 |
Titanium (%) | 0.65 to 1.15 |
Cobalt (%) | 1.00 Maximum |
Manganese (%) | 0.35 Maximum |
Carbon (%) | 0.80 Maximum |
Silicon (%) | 0.35 Maximum |
Sulfur (%) | 0.015 Maximum |
Phosphorus (%) | 0.015 Maximum |
Copper (%) | 0.30 Maximum |
Boron (%) | 0.006 Maximum |
Iron (%) | Balance |
Mechanical Properties:
Yield Strength | Ksi | 60 Minimum |
Mpa | 414 Minimum | |
Tensile Strength | Ksi | 120 Minimum |
Mpa | 827 Minimum | |
Elongation | % | 30 |
Physical Properties:
Density | Lbs/in3 | 0.296 |
g/cm3 | 8.19 | |
Specific Heat | Btu/lb °F | 0.104 |
J/kg °C | 435 | |
Thermal Expansion (Mean Coefficient) | in/in/° | 7.6 X 10 |
mm/m/°C | 13.0 | |
Elasticity Modulus | Ksi | 29.7 X 103 |
Mpa | 204.9 X 103 | |
Magnetic Permeability | Oersteds | 200 |
Annealed | – | 1.013 |
Annealed + Aged | – | 1.011 |
Melting Range | oF | 2300 to 2437 |
oC | 1260 to 1336 |



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