Copper Silicon Permanent Mold Cast Alloy (UNS C87850) - Mechanical Properties

Jan 3 2013

Copper silicon UNS C87850 has a copper content of not less than 74%.

Tabulated below are the mechanical properties of UNS C87850 permanent mold cast alloy as a function of heat treatment.

Temper Elong. Rockwell
B C F 30T
M05 21% 74 - - -
16% 70 - - -

The chemical composition of UNS C87850 copper alloy is outlined in the following table.

Elements Content (%)
Copper, Cu 74.0-78.0
Silicon, Si 2.7-3.4
Tin, Sn 0.3
Nickel, Ni 0.2
Antimony, Sb 0.1
Iron, Fe 0.1
Manganese, Mn 0.1
Lead, Pb 0.09
Phosphorus, P 0.05-0.20
Zinc, Zn Remainder

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