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Creep and Stress-Rupture Strength

HAYNES® 263 Alloy Sheet, Age-Hardened*

Temperature Creep Approximate Initial Stress to Produce Specified Creep in
100h 1,000h
°F °C % ksi MPa ksi MPa
1200 649 1 75 517 58 400
R 77 531 64 441
1300 704 1 54 372 41 283
R 60 414 45 310
1400 760 1 37 255 25 172
R 42 290 28 193
1500 816 1 22 152 12 83
R 25 172 15 103
1600 871 1 11 76 6.0 41
R 14 97 7.4 51
1700 927 1 5.7 39 3.0 21
R 7.3 50 4.0 28

*Samples were age hardened by treating at 1472°F (850°C)/8h/AC

Comparison of Stress to Produce 1% Creep in 1000 Hours in Sheet

At temperatures of 1200°F (649°C) and above, HAYNES® 263 alloy has creep strength less than those of two other gamma-prime strengthened alloys, HAYNES® 282® alloy and HAYNES® Waspaloy alloy.  At temperatures greater than 1300°F (704°C), HAYNES® 263 has a creep strength far superior to that of HAYNES® 718 alloy.

263%20Creep%20Figure

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