Copper Zinc Alloy Forgings (UNS C66850) - Mechanical Properties

Dec 10 2012

Copper zinc alloy UNS C66850 has a copper content of not less than 60%.

The following table shows the mechanical properties of UNS C66850 forgings as a function of heat treatment.

Temper Tensile Str. Elong. Rockwell Shear Str.
B C F 30T
M10 480MPa (69ksi) 15% 130 - - - -
500MPa (72ksi) - - - - - 263MPa (38ksi)
520MPa (75ksi) 30% 140 - - - -

The chemical composition of UNS C66850 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 60-64
Manganese, Mn 4-8
Iron, Fe 0.50-1.5
Aluminum, Al 0.50-1.5
Nickel, Ni 0.5
Tin, Sn 0.6
Phosphorous, P 0.05
Lead, Pb 0.09
Zinc, Zn Remainder

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