Copper Flat Products (UNS C64770) – Mechanical Properties

The following table shows the mechanical properties of UNS C64770 flat products as a function of heat treatment.

Temper Tensile Str. Elong.
H03 600 MPa (87 ksi) -
669 MPa (97 ksi) 15%
700 MPa (101 ksi) -
H04 690 MPa (100 ksi) 10%
740 MPa (107 ksi) -
640 MPa (93 ksi) -
H06 690 MPa (100 ksi) -
740 MPa (107 ksi) 5%
790 MPa (115 ksi) -
H08 740 MPa (107 ksi) -
780 MPa (113 ksi) 1%
840 MPa (122 ksi) -

The chemical composition of UNS C64770 copper alloy is outlined in the following table.

Element Content (%)
Nickel, Ni 1.5-3.0
Silicon, Si 0.40-.8
Zinc, Zn 0.30-0.8
Magnesium, Mg 0.3
Iron, Fe 0.1
Manganese, Mn 0.1
Tin, Sn 0.05-.050
Lead, Pb 0.05
Copper, Cu Remainder

Copper and the elements mentioned in the above table together constitute 99.5% of this alloy.

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