Brass

Alloys · Common · Ancient

Brass combines the workability of copper with a golden appearance that has made it the standard material for musical instruments, decorative hardware, and precision components. Its acoustic properties, the resonant warmth of a brass instrument, are unmatched.

Identity

Source
Historical alloy: copper and zinc
Made from
Copper, Zinc
Aliases
Yellow brass, Copper-zinc alloy

Physical Properties

Appearance
Bright yellow-gold, warmer and more golden than steel, polishes to a high mirror shine
Luster
Metallic
Density
8.5 g/cm³
Melting point
900 °C
Boiling point
1700 °C
Lighter
Darksteel
Denser
Bronze
Magnetism
Non-magnetic
Electrical conductivity
High

Mechanical Properties

Mohs hardness
3
Tensile strength
550 MPa
Softer
Zinc
Harder
Bronze
Workability
Easy
Brittleness
Tough
Malleability
High
Ductility
High

Chemical Properties

Corrosion resistance
high
Reactivity
low

Lore & Narrative

Romans called brass orichalcum, not the legendary metal but an admiring nickname for its gold-like color. Roman brass coins were called sestertii and were considered more prestigious than the lower-denomination copper asses.

Notable uses
Musical instruments, plumbing fixtures, ammunition casings, decorative hardware
Forge uses
musical instruments, decorative hardware, plumbing
Worldbuilding traits
golden, acoustic, decorative, common

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