GH4169 Plate
1. Description:
GH4169 is a precipitation strengthened base protected high-temperature alloy with good comprehensive performance in the temperature
range of -253 650C domestically.
The yield strength below 650C ranks first among deformed high-temperature alloys, and has good fatigue resistance, radiation resistance,
oxidation resistance, corrosion resistance, as well as good processing and welding performance.
2. Equivalent grade:
Inconel 718, UNS NO7718 (USA), NCI9FeNb (France), W. Nr. 2.4668 (Germany)
3. Chemical Composition:
| Grade | % | Compsition Chemical ( %) | |||||||||||
| Ni | Cr | Mo | Nb | Co | C | Mn | Si | S | Cu | AL | Ti | ||
| GH4169 | Min | 50 | 17 | 2.8 | 4.8 | 0.20 | 0.065 | ||||||
| Max | 55 | 21 | 3.3 | 5.5 | 1 | 0.08 | 0.35 | 0.35 | 0.015 | 0.3 | 0.8 | 1.15 | |
4. Mechanical Property
| Grade | Mechanical Property | Density | Melting point | |||
| Treatment | Yield Strength (N/mm2)/(Mpa) | Tensile Strength (N/mm2)/(Mpa) | Elongtation (%) | g/cm3 | ℃ | |
| GH4169 | Solution Treatment | 550 | 965 | 30 | 8.2 | 1260-1320 |
5. Advantage Property:
1) High temperature strength: GH4169 high-temperature alloy has excellent high temperature strength, can work for long periods of time in
high-temperature environments, and has excellent fatigue resistance.
2) Corrosion resistance: GH4169 high-temperature alloy has good corrosion resistance and can withstand strong acid, alkali, and high-temperature
oxidation environments
3) Machinability: GH4169 high-temperature alloy has good machinability and can be used for forging, heat treatment, welding and other processing processes.
6. Application:
GH4169 high-temperature alloy is widely used in aerospace, energy, and chemical fields, such as aviation engine blades, combustion chamber parts, nuclear power plant fuel components, etc
