| Physical Property* |
British Units |
Metric Units |
| Density (Solution Annealed) |
0.299 lb/in3 |
8.27 g/cm3 |
| Density (Age-Hardened) |
0.300 lb/in3 |
8.29 g/cm3 |
| Melting Range |
2370-2510°F |
1300-1375°C |
| Gamma-Prime Solvus |
1827°F |
997°C |
| Specific Heat |
RT |
0.104 Btu/lb.°F |
RT |
436 J/Kg.°C |
| 200°F |
0.110 Btu/lb.°F |
100°C |
463 J/Kg.°C |
| 300°F |
0.114 Btu/lb.°F |
200°C |
494 J/Kg.°C |
| 400°F |
0.118 Btu/lb.°F |
300°C |
522 J/Kg.°C |
| 500°F |
0.122 Btu/lb.°F |
400°C |
544 J/Kg.°C |
| 600°F |
0.125 Btu/lb.°F |
500°C |
563 J/Kg.°C |
| 700°F |
0.128 Btu/lb.°F |
600°C |
581 J/Kg.°C |
| 800°F |
0.131 Btu/lb.°F |
700°C |
594 J/Kg.°C |
| 900°F |
0.134 Btu/lb.°F |
800°C |
650 J/Kg.°C |
| 1000°F |
0.136 Btu/lb.°F |
900°C |
668 J/Kg.°C |
| 1100°F |
0.138 Btu/lb.°F |
1000°C |
676 J/Kg.°C |
| 1200°F |
0.140 Btu/lb.°F |
- |
- |
| 1300°F |
0.142 Btu/lb.°F |
- |
- |
| 1400°F |
0.150 Btu/lb.°F |
- |
- |
| 1500°F |
0.156 Btu/lb.°F |
- |
- |
| 1600°F |
0.158 Btu/lb.°F |
- |
- |
| 1700°F |
0.160 Btu/lb.°F |
- |
- |
| 1800°F |
0.161 Btu/lb.°F |
- |
- |
| Thermal Conductivity |
RT |
72 Btu-in/ft2-hr.°F |
RT |
10.3 W/m.°C |
| 200°F |
82 Btu-in/ft2-hr.°F |
100°C |
12.0 W/m.°C |
| 300°F |
90 Btu-in/ft2-hr.°F |
200°C |
14.1 W/m.°C |
| 400°F |
99 Btu-in/ft2-hr.°F |
300°C |
16.3 W/m.°C |
| 500°F |
107 Btu-in/ft2-hr.°F |
400°C |
18.5 W/m.°C |
| 600°F |
116 Btu-in/ft2-hr.°F |
500°C |
20.5 W/m.°C |
| 700°F |
124 Btu-in/ft2-hr.°F |
600°C |
22.6 W/m.°C |
| 800°F |
132 Btu-in/ft2-hr.°F |
700°C |
24.8 W/m.°C |
| 900°F |
140 Btu-in/ft2-hr.°F |
800°C |
26.1 W/m.°C |
| 1000°F |
148 Btu-in/ft2-hr.°F |
900°C |
27.3 W/m.°C |
| 1100°F |
156 Btu-in/ft2-hr.°F |
1000°C |
28.9 W/m.°C |
| 1200°F |
164 Btu-in/ft2-hr.°F |
- |
- |
| 1300°F |
173 Btu-in/ft2-hr.°F |
- |
- |
| 1400°F |
177 Btu-in/ft2-hr.°F |
- |
- |
| 1500°F |
182 Btu-in/ft2-hr.°F |
- |
- |
| 1600°F |
187 Btu-in/ft2-hr.°F |
- |
- |
| 1700°F |
192 Btu-in/ft2-hr.°F |
- |
- |
| 1800°F |
199 Btu-in/ft2-hr.°F |
- |
- |
| Thermal Diffusivity |
RT |
0.112 ft2/h |
RT |
0.0288 cm2/s |
| 200°F |
0.121 ft2/h |
100°C |
0.0315 cm2/s |
| 300°F |
0.128 ft2/h |
200°C |
0.0348 cm2/s |
| 400°F |
0.135 ft2/h |
300°C |
0.0381 cm2/s |
| 500°F |
0.143 ft2/h |
400°C |
0.0413 cm2/s |
| 600°F |
0.150 ft2/h |
500°C |
0.0444 cm2/s |
| 700°F |
0.156 ft2/h |
600°C |
0.0473 cm2/s |
| 800°F |
0.163 ft2/h |
700°C |
0.0509 cm2/s |
| 900°F |
0.170 ft2/h |
800°C |
0.0488 cm2/s |
| 1000°F |
0.176 ft2/h |
900°C |
0.0498 cm2/s |
| 1100°F |
0.183 ft2/h |
1000°C |
0.0521 cm2/s |
| 1200°F |
0.190 ft2/h |
- |
- |
| 1300°F |
0.197 ft2/h |
- |
- |
| 1400°F |
0.192 ft2/h |
- |
- |
| 1500°F |
0.190 ft2/h |
- |
- |
| 1600°F |
0.192 ft2/h |
- |
- |
| 1700°F |
0.195 ft2/h |
- |
- |
| 1800°F |
0.200 ft2/h |
- |
- |
| Electrical Resistivity |
RT |
49.7 µohm.in |
RT |
126.1 µohm.cm |
| 200°F |
50.3 µohm.in |
100°C |
127.8 µohm.cm |
| 300°F |
50.7 µohm.in |
200°C |
129.9 µohm.cm |
| 400°F |
51.2 µohm.in |
300°C |
131.8 µohm.cm |
| 500°F |
51.6 µohm.in |
400°C |
133.4 µohm.cm |
| 600°F |
52.0 µohm.in |
500°C |
135.0 µohm.cm |
| 700°F |
52.3 µohm.in |
600°C |
136.2 µohm.cm |
| 800°F |
52.7 µohm.in |
700°C |
135.5 µohm.cm |
| 900°F |
53.0 µohm.in |
800°C |
134.5 µohm.cm |
| 1000°F |
53.5 µohm.in |
900°C |
132.6 µohm.cm |
| 1100°F |
53.7 µohm.in |
1000°C |
129.9 µohm.cm |
| 1200°F |
53.4 µohm.in |
- |
- |
| 1300°F |
53.3 µohm.in |
- |
- |
| 1400°F |
53.1 µohm.in |
- |
- |
| 1500°F |
52.9 µohm.in |
- |
- |
| 1600°F |
52.5 µohm.in |
- |
- |
| 1700°F |
51.9 µohm.in |
- |
- |
| 1800°F |
51.3 µohm.in |
- |
- |
Mean Coefficient of
Thermal Expansion |
RT |
- |
RT |
- |
| 200°F |
6.7 µin/in.°F |
100°C |
12.1 µm/m.°C |
| 300°F |
6.8 µin/in.°F |
200°C |
12.4 µm/m.°C |
| 400°F |
6.9 µin/in.°F |
300°C |
12.8 µm/m.°C |
| 500°F |
7.0 µin/in.°F |
400°C |
13.1 µm/m.°C |
| 600°F |
7.1 µin/in.°F |
500°C |
13.5 µm/m.°C |
| 700°F |
7.2 µin/in.°F |
600°C |
13.7 µm/m.°C |
| 800°F |
7.3 µin/in.°F |
700°C |
14.2 µm/m.°C |
| 900°F |
7.5 µin/in.°F |
800°C |
14.9 µm/m.°C |
| 1000°F |
7.5 µin/in.°F |
900°C |
15.9 µm/m.°C |
| 1100°F |
7.6 µin/in.°F |
1000°C |
16.9 µm/m.°C |
| 1200°F |
7.8 µin/in.°F |
- |
- |
| 1300°F |
7.9 µin/in.°F |
- |
- |
| 1400°F |
8.1 µin/in.°F |
- |
- |
| 1500°F |
8.4 µin/in.°F |
- |
- |
| 1600°F |
8.7 µin/in.°F |
- |
- |
| 1700°F |
9.0 µin/in.°F |
- |
- |
| 1800°F |
9.3 µin/in.°F |
- |
- |
Dynamic Modulus
of Elasticity |
RT |
31.5 x 106 psi |
RT |
217 GPa |
| 200°F |
31.0 x 106 psi |
100°C |
213 GPa |
| 300°F |
30.6 x 106 psi |
200°C |
209 GPa |
| 400°F |
30.2 x 106 psi |
300°C |
202 GPa |
| 500°F |
29.7 x 106 psi |
400°C |
196 GPa |
| 600°F |
29.2 x 106 psi |
500°C |
190 GPa |
| 700°F |
28.7 x 106 psi |
600°C |
183 GPa |
| 800°F |
28.2 x 106 psi |
700°C |
175 GPa |
| 900°F |
27.7 x 106 psi |
800°C |
166 GPa |
| 1000°F |
27.2 x 106 psi |
900°C |
154 GPa |
| 1100°F |
26.6 x 106 psi |
1000°C |
140 GPa |
| 1200°F |
26.0 x 106 psi |
- |
- |
| 1300°F |
25.4 x 106 psi |
- |
- |
| 1400°F |
24.7 x 106 psi |
- |
- |
| 1500°F |
23.8 x 106 psi |
- |
- |
| 1600°F |
22.9 x 106 psi |
- |
- |
| 1700°F |
21.7 x 106 psi |
- |
- |
| 1800°F |
20.6 x 106 psi |
- |
- |
| Dynamic Shear Modulus |
RT |
11.9 x 106 psi |
RT |
82 GPa |
| 200°F |
11.7 x 106 psi |
100°C |
80 GPa |
| 300°F |
11.5 x 106 psi |
200°C |
78 GPa |
| 400°F |
11.3 x 106 psi |
300°C |
76 GPa |
| 500°F |
11.1 x 106 psi |
400°C |
73 GPa |
| 600°F |
10.9 x 106 psi |
500°C |
71 GPa |
| 700°F |
10.7 x 106 psi |
600°C |
68 GPa |
| 800°F |
10.6 x 106 psi |
700°C |
65 GPa |
| 900°F |
10.4 x 106 psi |
800°C |
61 GPa |
| 1000°F |
10.1 x 106 psi |
900°C |
57 GPa |
| 1100°F |
9.9 x 106 psi |
1000°C |
51 GPa |
| 1200°F |
9.7 x 106 psi |
- |
- |
| 1300°F |
9.4 x 106 psi |
- |
- |
| 1400°F |
9.1 x 106 psi |
- |
- |
| 1500°F |
8.8 x 106 psi |
- |
- |
| 1600°F |
8.4 x 106 psi |
- |
- |
| 1700°F |
8.0 x 106 psi |
- |
- |
| 1800°F |
7.6 x 106 psi |
- |
- |
| Poisson’s Ratio |
RT |
0.319 |
RT |
0.319 |
| 200°F |
0.325 |
100°C |
0.326 |
| 300°F |
0.330 |
200°C |
0.335 |
| 400°F |
0.335 |
300°C |
0.335 |
| 500°F |
0.335 |
400°C |
0.337 |
| 600°F |
0.335 |
500°C |
0.341 |
| 700°F |
0.337 |
600°C |
0.346 |
| 800°F |
0.338 |
700°C |
0.352 |
| 900°F |
0.340 |
800°C |
0.355 |
| 1000°F |
0.342 |
900°C |
0.357 |
| 1100°F |
0.346 |
1000°C |
0.363 |
| 1200°F |
0.350 |
- |
- |
| 1300°F |
0.353 |
- |
- |
| 1400°F |
0.355 |
- |
- |
| 1500°F |
0.355 |
- |
- |
| 1600°F |
0.355 |
- |
- |
| 1700°F |
0.359 |
- |
- |
| 1800°F |
0.363 |
- |
- |
*Age-hardened 1850°F/2h/AC + 1450°F/8h/AC
RT= Room Temperature