GH4648 Alloy

GH4648 is a Ni-Cr based precipitation hardening deformation high temperature alloy, with a long-term use temperature of less than 900℃ and a short-term use temperature of up to 1100℃. The alloy is characterized by the addition of about 32% CR, which makes it have excellent hot corrosion resistance. At the same time, the alloy has medium strength and good fatigue resistance and creep resistance, good cold working performance and welding performance. It is suitable for manufacturing high temperature structural parts with a temperature of 900℃-1000℃ and requiring excellent corrosion resistance.

GH4648 Content of chemical elements(%)

1. Corrosion resistance: GH4648 nickel alloy has good oxidation resistance and corrosion resistance at high temperature, and can resist corrosion from corrosive media such as chloride ions and hydrogen sulfide.

2. High temperature strength: GH4648 nickel alloy has high high temperature strength and creep performance, and can maintain good mechanical properties under high temperature environment.

3. Machinability: GH4648 nickel alloy has good machinability and can be used for hot working, cold working, welding and other process operations.

4. Weldability: GH4648 nickel alloy can be welded, and the welded joint has good mechanical properties and corrosion resistance.

GH4648 nickel alloy is widely used in aviation, aerospace, energy and other fields. Its main application fields include:

1. Aviation field: used to manufacture high temperature parts of aircraft engines, such as turbine blades, combustion chambers, etc.

2. Aerospace field: used to manufacture high temperature parts of rocket engines, such as nozzles, combustion chambers, etc.

3. Energy field: used to manufacture high-temperature components of nuclear reactors, such as fuel rod shells, control rods, etc.

4. Other fields: used to manufacture high-temperature corrosion-resistant parts in the fields of petrochemicals and metallurgy.

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