Copper Strips (UNS C72800) - Mechanical Properties

UNS C72800 has a copper content of not less than 82%.

The following table shows the mechanical properties of UNS C72800 strips as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Elong. Rockwell
B C F 30T
H01 2.26 mm. (0.089 in.) 612MPa (89ksi) 13% 89 - - -
H04 1.6 mm. (0.063 in.) 793MPa (115ksi) 8% - 21 - -
H08 1.6 mm. (0.063 in.) 956MPa (139ksi) 3% - 30 - -
TH01 2.26 mm. (0.089 in.) 1171MPa (170ksi) 7% - 37 - -
TH04 1.6mm. (0.063 in.) 1236MPa (179ksi) 7% - 40 - -
TH08 1.6 mm. (0.063 in.) 1318MPa (191ksi) 3% - 39 - -

The chemical composition of UNS C72800 copper alloy is outlined in the following table.

Element Content (%)
Nickel, Ni 9.5-10.5
Tin, Sn 7.5-8.5
Zinc, Zn 1
Iron, Fe 0.50
Niobium, Nb 0.10-0.30
Aluminum, Al 0.10
Manganese, Mn 0.05-0.30
Silicon, Si 0.05
Antimony, Sb 0.02
Titanium, Ti 0.01
Magnesium, Mg 0.005-0.15
Lead, Pb 0.005
Phosphorus, P 0.005
Boron, B 0.001
Bismuth, Bi 0.001
Sulfur, S 0.0025
Copper, Cu Balance

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