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Thermal Stability

Baseline Tensile Properties at RT and ET; Residual Tensile Properties at
Room Temperature and Exposure Temperature

Condition Test Temperature 0.2% Yield Strength Ultimate Tensile Strength 4D Elongation
°F °C ksi MPa ksi MPa %
Solution Annealed RT RT 83.6 576 151.4 1044 38.7
Age Hardened* RT RT 116.8 805 178.6 1231 17.3
1200 649 103.1 711 169.6 1169 18.0
1400 760 111.6 769 138.2 953 28.4
1500 816 100.6 694 113.5 783 32.0
1600 871 78.1 538 87.9 606 30.0
Age Hardened* + 1200°F/8000h RT RT 150.7 1039 188.5 1300 5.3
1200 649 129.7** 894** 182.6 1259 8.1**
Age Hardened* + 1400°F/8000h RT RT 151.6** 1045** 173.9** 1199** 0.1
1400 760 88.2 608 126.8 874 30.1**
Age Hardened* + 1500°F/8000h RT RT 113.5 783 156.6 1080 1.4
1500 816 58.2 401 88.5 610 26.8
Age Hardened* + 1600°F/8000h RT RT 83.3 574 122.9 847 2.0
1600 871 36.3 250 60.9 420 33.0

*Aged hardened at 2050°F (1121°C)/30 MAT/AC + 1650°F (899°C)/4H/AC
**Limited data

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