UNS C69750 Copper Wires - Mechanical Properties

Copper UNS C69750 has a copper content of not less than 73%.

The following table shows the mechanical properties of UNS C69750 wires as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Elong.
H08 <0.315 in 903MPa (131ksi) -
<0.315 in 951MPa (138ksi) 1%
>0.475 in 703MPa (102ksi) -
>0.475 in 751MPa (109ksi) -
>0.475 in 800MPa (116ksi) 5%
O60 >0.2 in 448MPa (65ksi) -
>0.2 in 469MPa (68ksi) 50%

The chemical composition of UNS C69750 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 78-83
Silicon, Si 1.9-2.2
Lead, Pb 0.8-1.3
Tin, Sn 0.05
Iron, Fe 0.05
Manganese, Mn 0.05
Phosphorous, P 0.02
Nickel, Ni 0.01
Zinc, Zn Remainder

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Your comment type