The process of the Ladle Refining Furnace (LRF) Technology makes the steel stronger and more ductile.
The process of the Ladle Refining Furnace (LRF) Technology makes the steel stronger and more ductile. 550 and 550D steel is a quality with a maximum BIS of 0.4 that is ideally suited for large infrastructure projects or big constructions which need steel that has greater ductility and superior strength.














