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GH2903


GH2903 is a Fe-Ni-Co based precipitation hardening deformation superalloy, which is characterized by low thermal expansion coefficient and almost constant elastic modulus in a wide temperature range, and its service temperature is below 650 ℃. The alloy has high strength, good cold and hot fatigue resistance, weldability and high pressure hydrogen embrittlement resistance. The alloy is an ideal material for realizing engine clearance control technology, which can improve engine efficiency and reduce fuel consumption. It is suitable for manufacturing turbine casing, sealing ring and other parts of aviation and aerospace engines. The main products are hot rolled and forged bars, ring billets and ring parts. Alloy has been used to make turbine casing, turbine outer ring, guide inner and outer ring, sealing ring and other parts of aviation and aerospace engines, and is widely used in precision electronic instruments, instruments and other fields.

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