Electric Arc Furnace Roofs & Deltas

Trent Refractories Products

Electric Arc Furnace Delta Roofs

Back in the early 1990’s Trent pioneered the use of a chrome based material in the refractory industry for making precast EAF Roofs and Deltas, we continue to use and develop this technology today.

The precast EAF Roofs and deltas replaced older Electric Arc Furnace Roof technology where they built out of silica and then High Alumina bricks. It was found to be a better performer and also improved risks associated with the brick roofs cracking and falling into the furnace, which was quite a common occurrence.

In the Electric Arc Furnace, scrap metal is melted using an electrical and chemical process. This is a very high energy process and the function of the Refractory EAF Roof or Delta is to enclose the furnace and minimise energy losses.

An Electric Arc Furnace can reach temperatures in excess of 1700 degrees, with that the Electric Arc Furnace Roof is subject to exposure from various slag and metal oxides.

The insulating properties of the refractory surrounding the electrodes are paramount against the thermal wear generated by the furnace.

Made at our factory in Scunthorpe our EAF Roof Deltas are known and highly respected in the UK market and we hold the record for roof lives at a local steel works, over 1000 heats!

The roof can be designed entirely to your specification and have in built air economisers if you so wish. We also produce Economiser rings to compliment the Deltas.

We offer a range of castables to suit this purpose and provide best value in use.

  • Trentcast 18CA
  • Trentcast 1750VLC
  • Trentcast WBM 85
  • Trentcast WBM 85E
  • Trentcast WBM 95

We also offer the addition of green chrome where specified.

Made In Britain
EAF/DC Roof Deltas
EAF/DC Roof Deltas

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