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GH4099


GH4099 is a highly alloyed nickel-base aging plate alloy. It is comprehensively strengthened with cobalt, tungsten, aluminum, titanium and other elements, so that the alloy has high thermal strength. It can be used for a long time below 900 ℃, and the maximum working temperature can reach 1000 ℃. The alloy has stable structure, satisfactory cold and hot working forming and welding process performance, and is suitable for manufacturing high-temperature plate load-bearing welded structural parts such as aero-engine combustion chamber and afterburner, and can be directly used without aging treatment after solution treatment. ① Scope - This standard specifies the size, shape and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of cold rolled superalloy sheets. ② Delivery status: - The plates shall be delivered after solution treatment, pickling, leveling and trimming. - The recommended solution treatment system for sheet delivery shall be in accordance with the mechanical property table. The supplier shall indicate the actual solution treatment temperature of the finished sheet in the quality certificate

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