UNS C69250 Copper-Zinc-Manganese Flat Products and Tubing - Mechanical Properties

Nov 20 2012

Copper-zinc-manganese alloy UNS C69250 has a copper content of not less than 82.5%.

The following table shows the mechanical properties of UNS C69250 flat products and tubing as a function of heat treatment, measured at room temperature - 68º F (20º C).

Temper Tensile Str.
H01 400MPa (58ksi)
  448MPa (65ksi)
H02 517MPa (75ksi)

The chemical composition of UNS C69250 copper alloy is outlined in the following table.

Element Content (%)
Zinc, Zn 7.5-8.5
Manganese, Mn 5-6
Nickel, Ni 2-3
Aluminum, Al 1-2
Iron, Fe 0.2
Tin, Sn 0.2
Silicon, Si 0.1
Lead, Pb 0.05
Copper, Cu Remainder

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