Zinc

Real Metals · Common · Timeless

Zinc's most important role is galvanization, the coating of steel with zinc to prevent rust. The humble zinc coating on a fence post or a ship's hull might not look impressive, but it represents one of the most economically significant applications of any metal.

Identity

Symbol
Zn
Atomic number
30
Source
Natural element
Used in
Brass, Maillechort
Aliases
Zn, Spelter (archaic)

Physical Properties

Appearance
Bluish-grey, somewhat dull, becomes brittle below room temperature
Luster
Metallic
Density
7.13 g/cm³
Melting point
420 °C
Boiling point
907 °C
Lighter
Starmetal
Denser
Chromium
Magnetism
Non-magnetic
Electrical conductivity
Medium

Mechanical Properties

Mohs hardness
2.5
Tensile strength
37 MPa
Softer
Tin
Harder
Brass
Workability
Easy
Brittleness
Brittle
Malleability
Low
Ductility
Low

Chemical Properties

Corrosion resistance
high
Reactivity
moderate

Lore & Narrative

Brass, the alloy of copper and zinc, was made in antiquity thousands of years before zinc was isolated as a pure metal. Ancient smiths mixed copper with zinc-bearing ores without knowing the second metal existed.

Notable uses
Galvanization, brass alloy, die casting, batteries
Forge uses
galvanization, alloys, die casting
Worldbuilding traits
protective, common, alloy-base, industrial

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