Copper-Nickel Strips (UNS C70400) - Mechanical Properties

Dec 14 2012

Copper-nickel UNS C70400 has a copper content of not less than 92.4%.

Tabulated below are the mechanical properties of UNS C70400 strips as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
H01 352MPa (51ksi) - 21% 54 - - 57
H02 393MPa (57ksi) - 11% 67 - - 65
H04 441MPa (64ksi) - 5% 72 - - 68
H06 483MPa (70ksi) - 3% 75 - - 69
H08 531MPa (77ksi) - 2% 76 - - 70
O61 262MPa (38ksi) 83MPa (12ksi) 41% 8 - - -

The chemical composition of UNS C70400 copper alloy is outlined in the following table.

Elements Content (%)
Nickel, Ni 4.8-6.2
Iron, Fe 1.3-1.7
Zinc, Zn 1.0
Manganese, Mn 0.30-0.8
Lead, Pb 0.05
Copper, Cu Remainder

Equivalent materials to UNS C70400 copper alloy are given in the table below.

ASME SB111 ASME SB359 ASME SB395 ASME SB466 ASTM B466
ASME SB543 ASTM B111 ASTM B359 ASTM B395 ASTM B543

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