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GH4090 Nickel-chromium-Cobalt Alloy for High Temperature Application
GH4090 is a nickel base precipitation hardening superalloy. The alloy is commonly used to make turbine blades, disk parts, forgings, ring parts, and thermal molds.
Chemical composition
Element | C | Cr | Ni | Co | Al | Ti | Fe | Zr | B | Si | Mn | S | P | Cu |
Weight(% | 0.13 max | 18.00~21.00 | Rem | 15.00~21.00 | 1.00~2.00 | 2.00~3.00 | 1.50 max | 0.15 max | 0.02 max | 0.80 max | 0.40 max | 0.015 max | 0.020 max | 0.20 max |
Application
The alloy has been used to make aviation engine high-temperature spring elements, high-temperature fasteners, combustion chamber clamps and stop pins.
Similar grades are also used in the production of aero-engine turbine working blade, turbine disc and other parts abroad.
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Forms of supply