Copper Silicon Die Cast Alloy (UNS C87900) - Mechanical Properties

Nov 29 2012

Copper silicon UNS C87900 has a copper content of not less than 63%.

Tabulated below are the mechanical properties of UNS C87900 die cast alloy as a function of heat treatment.

Temper Tensile Str. Elong. Rockwell
B C F 30T
M04 - - 72 - - -
- - 70 - - -
483MPa (70ksi) 25% - - - -
- - 68 - - -

The chemical composition of UNS C87900 copper alloy is outlined in the following table.

Elements Content (%)
Copper, Cu 63
Zinc, Zn 30.0-36.0
Nickel, Ni 0.5
Iron, Fe 0.4
Tin, Sn 0.25
Lead, Pb 0.25
Aluminum, Al 0.15
Manganese, Mn 0.15
Silicon, Si 0.8-1.2
Antimony, Sb 0.05
Arsenic, As 0.05
Sulfur, S 0.05
Phosphorus, P 0.01

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