I had the chance to interview with Michael Alter, with over 30 years of experience in the steelmaking industry and experience at companies including ArcelorMittal.

In this episode, we take a deeper look at the blast furnace, from raw materials all the way to the final steel product:

5:25 – Raw Materials for the Blast Furnace

8:35 – Sintering Explained 9:38 – Pellets vs. Sinter

13:55 – Coking Coal Explained

19:40 – Slag Explained

20:32 – The Role of Flux

26:40 – The Role of Scrap

27:15 – How a Blast Furnace Works

31:10 – Pig Iron Explained

34:48 – BOF (Basic Oxygen Furnace) Explained

37:30 – Continuous Casting After Refining

39:45 – The Final Step: Making the End Product

A great episode for anyone who wants to understand how the blast furnace actually wor ...