Electric Arc Furnace (EAF)
An electric arc furnace (EAF) is a furnace that heats the metal by means of an electric arc. Maximizing its availability is a key challenge for steelmakers.











Calderys is committed to providing complete refractory solutions for the electric arc furnace (EAF). Our complete refractory and services offering is tailored to specific EAF processes, utilizing our global and local manufacturing footprint, and dedicated technical support.
Through Calderys technical knowhow, each EAF working lining, no matter the process demands, can be specifically designed to reach maximum performance. By creating the most optimized and balanced lining, that offers the highest quality and technology products in the most severe wear zones, to lower level economic options in less critical areas, Calderys can bring to its clients its tailor made solution.
NEW - CALDE® MAG GUN VELOCITY
CALDE® MAG GUN VELOCITY is an advanced MgO refractory gunning material engineered for rapid Electric Arc Furnace (EAF) repairs. Designed for high sticking and low rebound even at elevated temperatures, this high-speed gunning solution enables application immediately after tapping, with an effective gunning rate * of over 80%, which cuts the application time significantly, and reduces refractory consumption compared with traditional gunning products. By boosting furnace availability, minimizing maintenance downtime and lowering refractory cost per ton of steel, CALDE® MAG GUN VELOCITY helps EAF operators optimize uptime and operational efficiency.
Connect with our Iron & Steel specialists today to explore how this high-performance gunning material can enhance your EAF maintenance strategy.
*Effective gunning rate = more than 80% of the applied material sticking to the hot vessel brick