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Ferrous Metals - Coggle Diagram
Ferrous Metals
Carbon Steel
Much Harder - So it can be used for tools
More carbon, more harder the steel
Note: More carbon also = more brittle (solution: case hardening)
Prone to rusting
Stainless Steel
Resistant to rust
Contains Chromium (18%) - Its Shine
Cutlery, Sinks, Surgical Equipment
Metals come from the earth in the form of Ores
Blast Furnace
Molten Iron
All ferrous metals rust (
Oxidation
)
Cast iron
high carbon (4%)
Very hard wearing - but brittle
Mild Steel
Needs protecting to stop rust - paint
Ductile, tough, malleable
Alloy of iron and carbon (99.7% iron, 0.3% carbon)
Welds very easily
