GB/T | UNS | Trademark | JIS | W.Nr |
GHH4145 | N07750 | InconelX-750 | NCF750B | 2.4669 |
chemical composition:
brand | % | Ni | Cr | Fe | Nb | Co | C | Mn | Si | S | Cu | Al | Ti | P |
GH4145 | min | margin | 14 | 5.0 | 0.7 | 0.4 | 2.25 | |||||||
max | 17 | 9.0 | 1.2 | 1.00 | 0.08 | 1.00 | 0.50 | 0.01 | 0.5 | 1.0 | 2.75 | 0.02 |
Physical properties:
density | 8.25 g/cm³ |
Melting point | 1395-1425℃ |
The minimum mechanical properties of the alloy at room temperature:
static | Tensile Strength Rm N/mm² | Yield StrengthRp0.2 N/mm² | ElongatSion A5 % | Solution treatment HB |
Brinell hardness | 910 | 550 | 25 | ≤350 |
GH4145 alloy has the following characteristics:
GH4145 has good corrosion resistance and oxidation resistance below 980 °C, high strength below 800 °C, good relaxation resistance below 540 °C, and good formability and welding performance in low temperature environment. Excellent mechanical properties.
The application areas of the GH4145 application range are:
The alloy has good corrosion resistance and creep rupture strength under high temperature environment, good mechanical properties, wide application, sufficient strength and corrosion resistance and oxidation resistance below 980 °C.
1. Manufacturing springs, bolts, rotor blades, impellers and other structural components on gas turbines;
2. Thrust chamber on the rocket engine;
3. The thrust reverser on the aircraft;
4. Large high pressure vessels;
5. Elastomeric air sealing sheet, sealing the die.