Copper-Manganese Alloy Flat Products (UNS C66930) - Mechanical Properties

Copper-manganese alloy UNS C66930 has a copper content of not less than 80.3%.

The following table shows the mechanical properties of UNS C66930 flat products as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong.
M20 480MPa (70ksi) 260MPa (38ksi) 1%
900MPa (131ksi) 750MPa (109ksi) 30%
H08 480MPa (70ksi) 260MPa (38ksi) 1%
900MPa (131ksi) 750MPa (109ksi) 30%

The chemical composition of UNS C66930 copper alloy is outlined in the following table.

Element Content (%)
Manganese, Mn 19-20.5
Zinc, Zn 0.05
Iron, Fe 0.05
Tin, Sn 0.05
Nickel, Ni 0.02
Phosphorous, P 0.02
Lead, Pb 0.02
Copper, Cu Remainder

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