Copper-Zinc-Alloy Rod and Bar UNS C28500 – Mechanical Properties

Sep 27 2012

UNS C28500 copper-zinc-alloy has a copper content of not less than 57%.

The following table shows the mechanical properties of UNS C28500 rod and bar as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
H80 600 MPa (73 ksi) 330 MPa (48 ksi) 20% 150 - - -
480 MPa (70 ksi) 300 MPa (44 ksi) - - - - -
650 MPa (80 ksi) 400 MPa (58 ksi) - - - - -

The chemical composition of UNS C28500 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 57-59
Iron, Fe 0.35
Lead Pb 0.25
Zinc, Zn Balance

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