Copper and copper alloys are known mainly for having a high thermal and electrical conductivity. Other elements such as zinc, nickel, or tin that can be added to the copper to change different some of the characteristics of copper, such as increased strength. The grade of copper depends on the end use or application.

Some of the popular grades of copper are the following:

CDA102/CDA110 is pure copper, with CDA 102 being the oxygen free copper. These grades of copper are known for good corrosion resistance and solderability. The main markets would be electrical applications and automotive.

CDA 220/CDA230/CDA 260 are different grades of brass. Zinc is the main element that is added to copper the make these grades. CDA 260 is mainly used in fasteners, connectors, and electrical components.

CDA 510/CDA 521 is a copper alloy made of up copper, tin, and phosphorus. These alloys have good solderability, strength, and formability. Common applications would be springs, fasteners, and electrical applications.

CDA 725 is compromised of copper, nickel, and tin. This alloy has excellent corrosion resistance and solderability. End products include electronic connectors, pins, springs, & terminals.

CDA 752 contains copper, 18% nickel, and zinc. CDA 752 is used in jewelry, eyeglass frames, springs, & connectors.

United Wire can provide all copper alloys in flat wire, square wire, and shaped wire.

ALL TEMPERS OFFERED
From Fully Annealed Up To Spring Temper

TEMPER CLASSIFICATIONS

TEMPER:
Annealed
Quarter Hard
Half Hard
Hard Temper
Extra Hard
Spring Temper
Extra Spring Temper

PLATING OPTIONS
Galvanized, Tin, Tin/Zinc, Nickel, Copper