GH2038 is a Fe-Ni-Cr-based precipitation hardening deformed superalloy, and the operating temperature is below 700ºC. The alloy is added with elements such as aluminum and titanium to form a deposition strengthening phase, and boron is added to purify and strengthen the grain boundaries. The alloy has high thermal strength when used below 700 ºC, as well as good cutting performance and welding performance. The main products are hot rolled bars, forged bars, cold rolled sheets, hot rolled sheets and forgings.
GH2038 superalloy is mainly used for hot end parts such as turbine disks, combustion chamber casing parts, turbine casings, supports, shafts and blades used below 700 °C.
The GH2038 superalloy has lamellar Laves phase precipitation on the grain boundary after heat treatment.
Chemical composition of GH2038:
Carbon C Silicon Si Manganese Mn Phosphorus P Sulfur S Chromium Cr
≤0.1 ≤1.00 ≤1.00 ≤0.3 ≤0.02 10-12.5
Nickel Ni Molybdenum Mo Nitrogen N Copper Cu Iron Fe Niobium Nb
18~21 ~ ~ ~ Yu ~
Boron B Titanium Ti: Aluminum Al Vanadium V Tungsten W Cerium Ce
≤0.008 2.3~2.8 ≤0.5 ~ ~ ~
Density g/cm³
7.94
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