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Yield Strength
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31000 lbs/in²
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Tensile Strength
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79000 lbs/in²
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Elongation percent in 2 inches
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58 %
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Hardness (Rockwell B)
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72
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1000°F
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18000 lbs/in²
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1100°F
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13000 lbs/in²
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1200°F
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8700 lbs/in²
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1300°F
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4500 lbs/in²
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Density
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0.29 lbs/in³
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Modulus of Elasticity in Tension
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28.0 x 106 lbs/in²
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Specific Heat (32 to 212°F)
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0.12 BTU/ºF/lbs
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Thermal Conductivity at 212°F
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9.3 BTU/hr.ft²/ft/ºF
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Thermal Conductivity at 932°F
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12.8 BTU/hr.ft²/ft/ºF
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Mean Coefficient of Thermal Expansion per °F (32 to 212°F)
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9.3 x 10-6 ºF
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Mean Coefficient of Thermal Expansion per °F (32 to 600°F)
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9.5 x 10-6 ºF
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Mean Coefficient of Thermal Expansion per °F (32 to 1000°F)
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10.3 x 10-6 ºF
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Mean Coefficient of Thermal Expansion per °F (32 to 1200°F)
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10.7 x 10-6 ºF
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Melting Point Range
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2550 to 2600 ºF
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Electrical Resistivity
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72 µΩ.cm
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Max. Operating Temp. (Continuous Service)
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1650 ºF
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Max. Operating Temp. (Intermittent Service)
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1500 ºF
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Welding Properties
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Very Good-Tough Welds
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Drawing and Stamping
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Good
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Hot Working - Initial Forging
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2100 to 2300 ºF
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Annealing Temp.
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1750 to 2050 ºF
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Stress Relieving Temp.
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400 to 750 ºF
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