GH90 is an aging-strengthened nickel-based wrought superalloy, which contains a relatively high amount of cobalt and various strengthening elements. The alloy has high tensile strength and creep resistance at 815 ~ 870 ºC, good oxidation resistance and corrosion resistance, high fatigue strength under the repeated alternating action of cold and heat, and good formability and welding. sex. It mainly supplies hot-rolled and cold-drawn bars, cold-rolled sheets, strips and cold-drawn wires. Used in turbine engine turbine disks, blades, high temperature fasteners, clamps, sealing rings and elastic elements, etc.
Chemical composition:
C Cr Ni Co Al Ti
≤0.13 18.0~21.0 margin 15.0~21.0 1.0~2.0 2.0~3.0
Mn Si P S Ag Pb Bi B Cu Fe Zr
≤0.4 ≤0.8 ≤0.02 ≤0.015 ≤0.0005 ≤0.002 ≤0.0001 ≤0.20 ≤0.2 ≤1.5 ≤0.15
physical properties
Melting temperature range:1400ºC
Density: 8.20 g/cm³
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