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Metals - Coggle Diagram
Metals
Metals come from the Earth in the form of ORE
Blast furnace
molten iron
Ferrous (iron)
ALL FERROUS METAL RUST (OXIDATION)
mild steel
ALLOY OF IRON AND CARBON (99.7% IRON 0.3% CARBON)
Ductile, tough, malleable
Needs protection to stop rust - paint
other steel
stainless steel
resistant to rust
contains Chromium (18%)
cutlery, sinks, surgical equipment
Carbon steel
Much harder - so can be used for tools
higher % of carbon
