Description
Inconel 738LC
Material grades and equivalents Inconel 738LC
Inconel 738LC Chemical composition:
Element |
C |
Mn |
Si |
W |
S |
P |
Cr |
Mo |
Ai+Ti |
Min |
0.09 |
- |
- |
2.4 |
- |
- |
15.7 |
1.5 |
6.5 |
Max |
0.13 |
0.2 |
0.3 |
2.8 |
0.015 |
0.015 |
16.3 |
2.0 |
7.2 |
Element |
Cb |
Ti |
Ai |
B |
Zr |
Co |
Ta |
Fe |
Ni |
Min |
0.6 |
3.2 |
3.2 |
0.007 |
0.03 |
8.0 |
1.4 |
- |
Balance |
Max |
1.1 |
3.7 |
3.7 |
0.012 |
0.08 |
9.0 |
2.0 |
0.35 |
Heat Treatment Procedure:
Physical properties:
Precipitation Hardening |
|||
Solution Annealing |
Temperature |
Holding time |
Remarks |
1120 oC |
2 hours |
25-40 oC ⁄ min to below 800 oC |
|
Aging |
Temperature |
Holding time |
Remarks |
845 oC |
24 hours |
Air cool |
Tensile Property:
Temperature(℃) |
Yield, N/mm2min |
UTS, N/mm2min |
Elongation, minA5 (%) |
Reduction ofArea, min (%) |
25 |
792 |
895 |
4 |
5 |
650 |
690 |
895 |
4 |
5 |
Creep Rupture Properties:
Temperature (℃) |
Stress (N/mm2) |
Life (Hours) |
Elongation (A4) (%) |
Reduction of Area (Z)(%) |
982 |
152 |
≥ 30 |
≥ 5 |
≥ 10 |