Copper and copper alloys are widely used in electrical and industrial applications thanks to their excellent electrical and thermal conductivity, combined with their mechanical properties.
From high-conductivity pure copper to copper alloys, the wide range of available grades makes it possible to adapt material properties to the specific requirements of each application, including conductivity, mechanical strength, wear resistance and temperature resistance.
STPM supplies various grades including Cu-ETP, Cu-OF, Cu-OFE and CuCr1Zr, as well as different families of bronzes and brasses, available as bars, plates, strips, wires and other semi-finished products.
Discover our solutions for your electrical and industrial applications.
Explore our solutions for your critical applications.
Electrical Conductivity
Up to 101% IACS
Available formats
Bars, strips, plates
Thermal Conductivity
Up to ~400 W/m·K
Mechanical Strength
Depending on the alloy
| Family | Grade | EN Designation | Main Characteristics |
|---|---|---|---|
| Copper | Cu-ETP | CW004A | High electrical and thermal conductivity |
| Copper | Cu-OF | CW008A | Oxygen-free copper with high conductivity |
| Copper | Cu-OFE | CW009A | High-purity oxygen-free copper |
| Copper Alloy | CuCr1Zr | CW106C | High conductivity and good mechanical properties |
| Copper Alloy | CuNi2Si | CW111C | High mechanical strength and good conductivity |
| Brass | CuZn30 | CW505L | Excellent formability |
| Brass | CuZn37 | CW508L | Good formability and deep-drawing properties |
| Brass | CuZn39Pb3 | CW614N | Excellent machinability |
| Bronze | CuSn5 | CW451K | Good balance between strength and formability |
| Bronze | CuSn6 | CW452K | Good mechanical properties, suitable for springs and connectors |
| Bronze | CuSn8 | CW453K | High mechanical strength and wear resistance |
| Aluminium Bronze | CuAl10Ni5Fe4 | CW307G | Excellent mechanical strength, wear resistance and corrosion resistance |
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