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Thermal Stability

Room-Temperature Properties of Plate After Thermal Exposure

Condition 0.2% Yield Strength Ultimate Tensile Strength 4D Elongation Reduction of Area Impact Strength
ksi MPa ksi MPa % % ft.-lbs. J
Solution Annealed 50.2 346 116.3 802 56.3 50.9 186.5* 253*
+ 1200°F (649°C)/1,000 hr. 83.3 574 145.9 1006 37.6 40.0 53.5 73
+ 1200°F (649°C)/4,000 hr. 88.5 610 152.4 1051 34.4 36.4 53.4 72
+ 1200°F (649°C)/8,000 hr. 90.4 623 152.8 1054 34.3 36.6 51.5 70
+ 1400°F (760°C)/1,000 hr 71.6 494 138.7 956 39.7 45.2 57.0 77
+ 1400°F (760°C)/4,000 hr 67.9 468 136.5 941 38.6 41.2 51.3 70
+ 1400°F (760°C)/8,000 hr 64.5 445 136.0 938 37.1 36.9 35.5 48
+ 1400°F (760°C)/1,000 hr. 50.7 350 121.2 836 49.9 51.7 90.0 122
+ 1600°F (871°C)/4,000 hr. 49.7 343 119.7 825 48.0 51.3 80.6 109
+ 1600°F (871°C)/8,000 hr. 47.6 328 118.8 819 49.8 50.5 67.0 91

*Did not break

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