Superalloy Series
0102030405
High-Performance Nickel Alloy GH4698 for Extreme Conditions
CHEMICAL COMPOSITION
ERAUM |
% |
C |
Cr |
Ni |
Mo |
Al |
Ti |
Fe |
Nb |
Mg |
B |
Zr |
Ce |
Si |
Mn |
S |
B |
Cu |
GH4698 |
MIN |
|
13.00 |
balance |
2.80 |
1.30 |
2.35 |
|
1.80 |
|
|
|
|
|
|
|
|
|
MAX |
0.08 |
16.00 |
balance |
3.20 |
1.70 |
2.75 |
2.00 |
2.20 |
0.008 |
0.005 |
0.050 |
0.005 |
0.6 |
0.4 |
0.015 |
0.007 |
0.07 |
Physical Properties
density |
Melting temperature range |
ρ=8.32g/cm |
1340-1365℃ |
EXECUTIVE STANDARD
PRODUCT |
standard |
Bar |
- |
Forging |
GJB 3728、GJB 5280 |
Product details
THE MINIMUM MECHANICAL PROPERTIES OF AN ALLOY AT ROOM TEMPERATURE
Alloy state |
tensile strength |
yield strength |
Elongation |
Section shrinkage Z% |
Solid solution + aging |
1130 |
705 |
17% |
19% |
Product FEATURE
GH4698 is a Ni-Cr based precipitation hardening deformation high temperature alloy with a service temperature of 750℃~800℃. The alloy has high enduring strength and tensile strength, good plasticity and comprehensive performance in the range of 550℃~800℃, as well as stable organization in long-term use. The main products include hot rolled and forged bars, coils and rings.
Product application
Aerospace engine turbine disks, compressor disks, deflectors, bearing rings and fasteners, etc., and large-size turbine disk parts for naval gas turbines.
