The Mill Floor

Written by active DRI-EAF operators. Anonymous by necessity, specific by design.

Aug 3, 2026

Four kWh in ten never reach the steel. The balance says which four — and which are worth chasing.

Jul 27, 2026

One point of metallic yield is $3-4 per tonne of liquid steel. FeO in the slag is where it goes.

Jul 20, 2026

Metallization and carbon decide your heat before the first kWh — most shops never read them.

Jul 13, 2026

An hour off-power doesn't cost you its kWh. It costs you the tonnes you'd have made in it.

Jul 6, 2026

PdM is sold as a plant-wide platform. It returns as three or four assets — the rest is dashboard.