| 简介 |
Provided are : a process for manufacturing a maraging steel, said process being capable of further refining Ti-based inclusions and minimizing the size difference of Ti-based inclusions among the locations within a steel ingot; and a method for refining inclusions. The present invention pertains to a process for manufacturing a maraging steel by a vacuum arc remelting method using a vacuum arc remelting apparatus. The process includes, as an essential step, a steel ingot production step for melting a consumable electrode consisting of a maraging steel in a mold of the apparatus and thus producing a steel ingot, said steel ingot production step including a cooling step for cooling the steel ingot with a rare gas introduced between the steel ingot and the mold. |
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