Slag remelting principle
Electro Slag Remelting Process (ESR)

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Slag remelting principle


Electro Slag Remelting Process (ESR)

Authors : Alain JARDY, Stéphane HANS, Sylvain CHARMOND, Alexandre DEVAUX

Publication date: June 10, 2019 | Lire en français

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1. Slag remelting principle

1.1 General description of the ESR process

The principle of the ESR process is to melt a primary ingot called the "consumable electrode" to form a high-quality secondary ingot.

Figure 1 a shows a schematic illustration of the most conventional ESR plant, equipped with a water-cooled static ingot mould containing the slag and remelted ingot.

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