Rolling and cogging method for high-temperature alloy GH1015
A high-temperature alloy and production method technology, applied in the direction of metal rolling, etc., can solve the problems of not meeting the demand for GH1015 alloy rods, large consumption of metal raw materials, and high metallurgical manufacturing costs, and achieve convenient production organization, reduced metallurgical manufacturing costs, and excellent surface quality. good quality effect
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[0021] A steel company implements the patent of the invention, adopts the hot-processing blanking process of heating electroslag ingots in a soaking furnace + second-fire rolling in a blooming mill, and makes high-temperature alloy GH1015 electroslag ingots with a diameter of 300 to 500 mm (single weight 1.5 to 2.5 tons) The billet is rolled and opened into a 120-180mm alloy billet, now take "Φ430mm electroslag ingot (single weight 2 tons) → 140mm alloy billet" as an example. During the first fire rolling of the blooming mill, the alloy ingot is heated by the soaking furnace: (A) the furnace temperature of the alloy ingot is 670°C, and it is kept for 1 hour; (B) the temperature is raised to 880-910°C at a rate of 55-60°C / h ℃, keep warm for 1 hour; (C) heat up to 1180°C at a rate of 75-80°C / h; (D) after 2 hours of heat preservation, turn the alloy ingots one by one, and keep the turned alloy ingots for 1 hour and 15 minutes (E) The tempera...
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