cast iron -> metal
wrought iron -> metal
steel -> alloy (iron+carbon)
carbon steel -> alloy (iron+carbon)
low-carbon steel -> alloy (iron+carbon)
high-carbon steel -> alloy (iron+carbon)
chromium -> metal
manganese -> metal
molybdenum -> metal
nickel -> metal
tungsten -> metal
vanadium -> metal
tungsten carbide
Aluminum -> metal
Magnesium -> metal
Titanium -> metal
Copper -> metal
Beryllium -> metal
Brass -> alloy (copper+zinc)
Bronze -> alloy (copper+tin)
Zinc -> metal
Tin -> metal
pewter-> alloy (tin+copper)
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