Special Sand Cast Alloy (UNS C99780) - Mechanical Properties

Nov 21 2012

UNS C99780 has a copper content of not less than 62%.

The following table shows the mechanical properties of UNS C99780 sand cast alloy as a function of heat treatment.

Temper Yield Str. Elong.
M01 170MPa (25ksi) 18%

The chemical composition of UNS C99780 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 62-66
Zinc, Zn 16-22
Manganese, Mn 12-15
Nickel, Ni 4-6
Bismuth, Bi 0.50-2.0
Tin, Sn 0.50-2.0
Aluminum, Al 0.30-1.0
Iron, Fe 0.5
Phosphorus, P 0.05
Silicon, Si 0.05
Lead, Pb 0.05

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