Creep and Stress-Rupture Strength

Solution annealed Sheet

Temperature Creep Approximate Initial Stress to Produce Specified Creep in
10 Hours 100 Hours 1,000 Hours
°F °C % ksi MPa ksi MPa ksi MPa
1400 760 0.5 18.7 129 14.5 100 11 76
1 20.5 141 15.5 107 12 83
R 33* 228* 26 179 20 138
1500 816 0.5 13.2* 91* 10.2 70 7.7 53
1 14.0* 97* 10.8 74 8.5 59
R 23.5 162 17.0 117 12.2 84
1600 871 0.5 9.5 66 7.3 50 5.0* 34*
1 10.0 69 7.7 53 5.3* 37*
R 16.5 114 11.4 79 7.3 50
1700 927 0.5 6.5 45 4.3 30 2.9* 20*
1 7.4 51 4.8 33 3.2* 22*
R 11.7 81 7.4 51 4.5 31
1800 982 0.5 - - 2.9 20 1.7 12
1 - - 3.3 23 1.9 13
R - - 5.2 36 2.3 16

*Significant extrapolation

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