Since 1936
Bare soft rectangular copper wires are used in winding machines, motors and electronic products. They used also for manifacture of insuled wires with enamel, paper, glass- fiber and other types of insulations.
Oxygen free high conductivity copper Cu-OF, according to ASTM B49.
EN IEC 60317-0-2, EN IEC 60317-0-4, BDS 3499
| Nominal width or thickness of the wire, mm | Tolerances ± mm | |
|---|---|---|
| Over | Up to and including | |
| - | 3.15 | 0.03 |
| 3.15 | 6.30 | 0.05 |
| 6.30 | 12.50 | 0.07 |
| 12.50 | 16.00 | 0.10 |
| Nominal thickness of the wire, mm | Corner radius, mm | |
|---|---|---|
| Over | Up to and including | |
| - | 1.00 | 0.50 nominal thickness |
| 1.00 | 1.60 | 0.50 |
| 1.60 | 2.24 | 0.65 |
| 2.24 | 3.55 | 0.80 |
| 3.55 | 5.60 | 1.00 |
| If agree between purchaser and supplier, the corner radii for wires may be different. | ||
| Nominal thickness of the wire, mm | Minimum elongation, % | |
|---|---|---|
| Over | Up to and including | |
| - | 2.50 | 30 |
| 2.50 | 5.60 | 32 |
| Nominal thickness of the wire, mm | Tensile strength, N/mm2 | |
|---|---|---|
| Over | Up to and including | |
| - | 1.25 | max 260 |
| 1.25 | 3.35 | max 260 |
| 3.35 | 5.60 | max 255 |
| Different Proof stress values can be agreed. | ||