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Creep and Stress-Rupture Data

Average Rupture Data, Sheet*

Test Temperature Average Rupture Life Strength for Time Indicated
10 h 100 h 1000 h
°F °C ksi MPa ksi MPa ksi MPa
1200 649 62.5 431 50.0 345 38.0 262
1350 732 39.0 269 28.2 194 20.2 139
1500 816 23.5 162 15.0 103 9.9 68
1700 927 9.6 66 5.8 40 - -

*0.045 in (1.1 mm) to 0.063 in (1.6 mm) thick

Average Rupture Data, Plate*

Test Temperature Average Rupture Life Strength for Time Indicated
10 h 100 h 1000 h
°F °C ksi MPa ksi MPa ksi MPa
1200 649 80.0 552 58.0 400 27.0 186
1300 704 56.0 386 38.0 262 16.0 110
1400 760 38.0 262 24.5 169 9.8 68
1500 816 25.0 172 16.0 110 5.8 40
1600 871 16.5 114 9.8 68 3.0 21

*1-in. (25.4mm) thick plate

Average Creep Data, Sheet*

Test Temperature Creep Approximate Initial Stress to Produce Specified Creep in:
10 h 100 h 1,000 h
°F °C % ksi MPa ksi MPa ksi MPa
1200 649 0.2 45.0 310 31.5 217 21.0 145
0.5 50.0 345 35.5 245 24.0 165
1.0 56.5 390 40.0 276 27.0 186
1350 732 0.2 22.0 152 14.1 97 9.0 62
0.5 25.0 172 16.2 112 10.4 72
1.0 29.0 200 19.0 131 12.2 84
1500 816 0.2 10.2 70 5.9 41 - -
0.5 11.8 81 7.0 48 - -
1.0 13.8 95 8.4 58 - -

*0.045 in (1.1 mm) to 0.063 (1.6 mm) thick

Average Creep Data, Plate*

Test Temperature Creep Approximate Initial Stress to Produce Specified Creep in:
10 h 100 h 1,000 h 10,000 h
°F °C % ksi MPa ksi MPa ksi MPa ksi MPa
1200 649 0.2 45.0 310 27.0 186 17.0** 117** - -
0.5 54.0 372 32.6 255 19.0 131 - -
1.0 56.0 386 34.0 234 20.8 143 13.5 93
1300 704 0.2 24.0 165 12.5 86 6.7** 46** - -
0.5 29.0 200 16.5 114 9.0 62 - -
1.0 34.0 234 20.0 138 12.0 83 7.2 50
1400 760 0.2 13.0 90 6.5 45 3.3** 23** - -
0.5 16.9 117 9.2 63 4.8 33 - -
1.0 20.7 143 11.8 81 6.7 46 3.7 26
1500 816 0.2 7.8 54 3.8 26 1.9** 13** - -
0.5 10.0 69 5.7 39 3.0 21 - -
1.0 12.5 86 6.9 48 3.8 26 2.2 15
1600 871 0.2 4.7 32 2.2 15 1.1** 7.6** - -
0.5 6.3 43 3.5 24 1.9 13 - -
1.0 7.6 52 4.1 28 2.2 15 1.1 8

*1 in (25.4 mm) thick plate           **Extrapolated

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