Grade limits from scrap residuals (copper) constrain some flat products; DRI-EAF covers most of the rest. Sword is scrap availability.
From our guide: Scrap/EAF route conversion — full context, charts and sources there.
Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets: