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Yield Strength
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80000 psi
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Tensile Strength
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100000 psi
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Elongation percent in 2 inches
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20 %
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Hardness (Rockwell B)
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16 to 22
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1000°F
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9000 lbs/in²
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1100°F
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4200 lbs/in²
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1200°F
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4000 lbs/in²
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Creep Strength Load for 10000 Hr. with 1% Elongation at 1300°F
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1000 lbs/in²
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Density
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0.28 lbs/in³
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Modulus of Elasticity in Tension
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29.0 x 10-6 lbs/in²
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Specific Heat (32 to 212°F)
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0.11 BTU/ºF/lbs
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Thermal Conductivity at 212°F
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14.4 BTU/hr.ft²/ft/ºF
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Thermal Conductivity at 932°F
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16.6 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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2700 to 2790 ºF
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Electrical Resistivity
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57 µΩ.cm
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Max. Operating Temp. (Continuous Service)
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1250 ºF
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Max. Operating Temp. (Intermittent Service)
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1400 ºF
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Welding Properties
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Fair-Preheat 400-500°F, Anneal 1250°F after welding
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Drawing and Stamping
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Fair-Good
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Hot Working - Initial Forging
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2000 to 2200 ºF
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Annealing Temp.
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1500 to 1650 ºF
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