Mohs scale of hardness - metals

Mohs scale of hardness - metals

Metal	Hardness
Lead	1½
Tin	1½
Zinc	2½
Gold	2½-3
Silver	2½-3
Aluminum	2½-3
Copper	3
Brass	3
Bronze	3
Nickel	4
Platinum	4-4½
Steel	4-4½
Iron	4½
Palladium	4.75
Rhodium	6
Titanium	6
Hardened Steel	7-8
Tungsten	7½
Tungsten Carbide	8½-9