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HAYNES® Alloys

Thermal Stability

Comparative Thermal Stability Data of Gamma-Prime Strengthened Alloys (Sheet)

Room Temperature Tensile Data – Exposed* at 1200°F (649°C) for 1,000 hours

Alloy 0.2% Yield Strength Ultimate Tensile Strength Elongation
- ksi MPa ksi MPa %
263 113.6 783 166.6 1149 21.3
282® 112.9 778 172.8 1191 25.8
Waspaloy 136.5 941 196.2 1353 22.6
R-41 141.9 979 189.4 1306 8.9

Room Temperature Tensile Data – Exposed* at 1400°F (760°C) for 1,000 hours

Alloy 0.2% Yield Strength Ultimate Tensile Strength Elongation
- ksi MPa ksi MPa %
263 92.7 639 160.3 1105 32.4
282® 104.1 718 170.5 1176 22.8
Waspaloy 112.9 779 182.4 1258 24.0
R-41 167.0 1151 197.2 1359 1.9

Room Temperature Tensile Data – Exposed* at 1500°F (816°C) for 1,000 hours

Alloy 0.2% Yield Strength Ultimate Tensile Strength Elongation
- ksi MPa ksi MPa %
263 71.4 492 144.0 993 34.7
282® 91.9 634 159.8 1102 22.3
Waspaloy 103.5 714 170.1 1173 22.8
R-41 137.9 951 177.5 1224 1.8

Room Temperature Tensile Data – Exposed* at 1600°F (871°C) for 1,000 hours

Alloy 0.2% Yield Strength Ultimate Tensile Strength Elongation
- ksi MPa ksi MPa %
263 55.0 379 125.2 863 40.9
282® 72.9 505 141.4 975 24.2
Waspaloy 84.6 584 149.3 1030 18.1
R-41 103.8 715 148.0 1021 2.6

*Thermal exposure was applied to samples in the age-hardened condition (263 alloy: 1472°F (800°C)/8h/AC, Waspaloy alloy : 1825°F (996°C)/2h/AC + 1550°F (843°C)/4h/AC + 1400°F (760°C)/16h/AC, R-41 alloy: 1650°F (899°C)/4h/AC, 282® alloy: 1850°F (1010°C)/2h/AC + 1450°F (788°C)/8h/AC)

Effect of Thermal Exposure on Yield Strength (At the Exposure Temperature)

282 - thermal exposure

Room Temperature Properties of HAYNES® 282® Plate after Thermal Exposure*

Exposure
Temperature
Duration 0.2% Offset
Yield Strength
Ultimate
Tensile Strength
 Elongation   Reduction 
of Area
°F °C h ksi MPa ksi MPa % %
1200 649 0 102 705 167 1152 30 33
100 116 798 181 1247 27 31
1,000 118 814 181 1248 26 29
4,000 120 830 182 1255 26 29
8,000 119 819 183 1264 24 27
16,000 118 816 183 1260 23 25
1400 760 0 102 705 167 1152 30 33
100 110 759 177 1223 27 30
1,000 108 742 178 1226 26 29
4,000 103 707 175 1205 21 22
8,000 100 690 173 1191 20 21
16,000 96 658 168 1161 20 19
1600 871 0 102 705 167 1152 30 33
100 90 618 162 1114 31 36
1,000 77 533 155 1065 30 30
4,000 71 487 148 1022 32 31
8,000 69 473 146 1006 32 31
16,000 66 452 142 978 33 32
*Thermal exposure was applied to the samples in the age-hardened condition (1850ºF(1010ºC)/2h/AC+1450ºF(788ºC)/8h/AC)
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