Electro Slag Remelting
Electro slag remelting (ESR) is a specialized steel-making process in which a cast ingot in the form of an electrode is re-melted in a water-cooled copper mould. The melting is activated by resistive heat generated in a conductive slag.
Charactersistics of ESR:
1. No macroscopic segregation and few microscopic segregation. Very few and subtle non-metal inclusion; dispersed distribution.
2. Compact and homogeneous structure
3. High toughness and strength
4. Beneficial for improvement of anti-fatigue and heat impact ability of the roll