GH4145
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Description
Scope of supply for Aviation Group
Forgings, round rods, steel plates, rings, seamless pipes, steel plates/steel belts, wire welding materials, welcome to inquire!
1. Introduction to GH4145 Materials
GH4145 has good corrosion resistance and oxidation resistance below 980℃, high strength below 800℃, good relaxation resistance below 540℃, and good forming performance and welding performance, and excellent mechanical properties in low-temperature environments.
2. Chemical composition of GH4145
| alloy | % | C | Cr | Ni+what | Al | Of | Fe | Nb+Ta | Co | Mn | And | S | Cu | P | |
| GH4145 | Minimum value | – | 14.0 | 70.0 | 0.4 | 2.25 | 5.0 | 0.7 | – | – | – | – | – | – | |
| Maximum value | 0.08 | 17.0 | – | 1.0 | 2.75 | 9.0 | 1.2 | 1.0 | 1.0 | 0.50 | 0.01 | 0.50 | 0.015 | ||
Note: Mn and Si in the table are the contents of rods, forgings, rings and wires, and the sheets, strips and pipes are: Mn≤0.35%, Si≤0.35%.
3. GH4145 physical properties
| density | Melting point |
| g / cm3 | ℃ |
| 8.28 | 1397-1427 |
Solid solution state, mechanical properties of alloy at room temperature:
| Alloy status | Tensile strength Rm N/mm |
Yield of yield
RP0.2 N/mm |
Elongation
A5 % |
Brinell hardness HB |
| Solid solution state | ≥1267 | 868 | 25 | ≤400 |
4. GH4145 material characteristics
It has good corrosion resistance and oxidation resistance below 980℃, high strength below 800℃, good relaxation resistance below 540℃, and good forming performance and welding performance, and excellent mechanical properties in low-temperature environments.
V. GH4145 application fields
Manufacture springs and bolts that work at high temperatures; rotor blades, impellers and other structural parts on gas turbines;
Thrust chamber on rocket engine;
thrust reverse device on the aircraft;
Large high-pressure container;
Elastic gas sealing plate, elastic sealing die plate, rubber mechanical electric heating blade.
