GH4169 Alloy

GH4169 is a Fe-Ni-Cr-based precipitation hardening deformation superalloy. The long-term use temperature range is -253~650℃, and the short-term use temperature is 800℃. It has high strength, good toughness and good toughness in high and low temperature environments under 650℃. It is resistant to oxidation and corrosion. And good processing performance and welding performance and long-term structural stability. It can manufacture various parts with complicated shapes, and has been widely used in the above-mentioned temperature range in aerospace, nuclear energy, petroleum industry and extrusion dies.

Superalloy GH4169 Thermal conductivity

Alloy GH4169 linear expansion coefficient

GH4169 specific heat capacity

Due to the high niobium content in GH4169 alloy, the niobium segregation components in the alloy are directly related to the metallurgical process. The melting speed of electroslag remelting and vacuum arc melting and the quality of the electrode rod directly affect the quality of the material. Fast melting speed is easy to form niobium-rich black spots; slow melting speed will form niobium-poor white spots; poor surface quality of the electrode rod and cracks inside the electrode rod are easy to cause the formation of white spots. Therefore, improving the quality of the electrode rod, controlling the melting speed and increasing the solidification rate of the ingot are key factors in the smelting process. 

GH4169 can be widely used in various high-demand occasions:

1. Steam turbine

2. Liquid fuel rocket

3. Cryogenic engineering

4. Acidic environment

5. Nuclear engineering

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