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HAYNES® Alloys

Creep and Stress-Rupture Strength

Cold-Rolled Sheet, Solution Treated and Aged

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
1000 540 0.5 - - - - - -
1.0 - - - - - -
Rupture - - 115.0 795 100.0 690
1100 595 0.5 - - - - - -
1.0 - - - - - -
Rupture 109.0 750 95.0 655 82.0 565
1200 650 0.5 - - - - 60.0 415
1.0 - - - - 62.0 425
Rupture 90.0 620 77.0 530 64.0 440
1300 705 0.5 - - 55.0 380 38.0 260
1.0 - - 56.5 390 42.0 290
Rupture 74.0 510 60.0 415 45.0 310
1400 760 0.5 52.0 360 34.0 235 21.0 145
1.0 53.5 370 37.0 255 23.3 160
Rupture 57.0 395 41.0 285 27.0 185
1500 815 0.5 32.0 220 19.2 130 10.7 74
1.0 35.0 240 21.0 145 11.4 79
Rupture 38.0 260 25.0 170 14.5 100
1600 870 0.5 18.4 125 9.9 68 - -
1.0 20.4 140 10.2 70 - -
Rupture 24.0 165 14.1 97 6.8 47

Comparison of Sheet Materials, Stress to Rupture in 1,000 Hours

HAYNES® 263 alloy has stress rupture strength between 1000 and 1600°F (540 and 870°C) which is higher than for alloy X-750, but less than that for Waspaloy alloy. Its rupture strength also exceeds that for alloy 718 above about 1300°F (705°C), and 242 alloy above about 1200°F (650°C).
263 Creep

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