Manufacturing method for Z210CrW12 ingots by rolling and cogging
A x210crw12, production method technology, applied in the direction of metal rolling, etc., can solve the problems of long production cycle and low metal billet rate, and achieve the effects of shortened production cycle, high metal billet rate and stable quality
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[0024] An iron and steel company implemented the patent of the present invention, using a soaking furnace to heat X210CrW12 electric furnace steel ingots (ingot weight 1.20 tons) + blooming mill (800 rolling mill) hot-working billeting process to produce X210CrW12 high-alloy tungsten-containing cold work die billets (140×140mm). Soaking furnace heating steel ingot: (1) The ingot entering temperature is 440℃, and the temperature is kept for 120 minutes; (2) It is heated at a rate of 60℃ / h to 1165~1175℃; (3) The temperature is 1165~1175℃, and the temperature is 4.5 During the heat preservation period, the steel ingot is turned over to make the temperature of the steel ingot uniform, and the temperature difference between the positive and negative surfaces of the steel ingot is ≤25℃; (4) The steel ingot is discharged from the soaking furnace and enters the blooming mill for hot processing and rolling. Rolling and billeting of the blooming mill: (...
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