Hematite or Heamatite
This is an iron
without any British Standards
and is a generic term for irons in their natural state as found in the
However, the British ore must have had a tendency towards
more heat resistant than imported ores and the name has become
with heat resisting iron.
Generally heat resistant iron alloy has 3.3-.35%
carbon appearing as graphite with a silicon content 2-2.3%.
The opposite can be seen in steel with no carbon where twisting and buckling can be observed. >
Furnace / oven
parts such doors, arches, jambs