Electrode for welding copper and bronzes, especially tin-bronzes. It is also suitable for cladding steels and for smaller repair work of weldable cast irons.
| Specifications | |
|---|---|
| Classifications | EN ISO 17777 : E Cu Z (CuSn7) |
| Welding Current | DC+ |
| Alloy Type | Copper alloy |
| Coating Type | Basic |
| Typical Tensile Properties | |||
|---|---|---|---|
| Condition | Yield Strength | Tensile Strength | Elongation |
| ISO | |||
| As Welded | 235 MPa | 360 MPa | 25 % |
| Typical Charpy V-Notch Properties | ||
|---|---|---|
| Condition | Testing Temperature | Impact Value |
| ISO | ||
| As Welded | 20 °C | 25 J |
| As Welded | 0 °C | 20 J |
| Typical Weld Metal Analysis % | ||
|---|---|---|
| Mn | Cu | Sn |
| 0.4 | 93 | 6.5 |
| Deposition Data | |||||
|---|---|---|---|---|---|
| Diameter | Current | Voltage | Efficiency (%) | Fusion time per electrode at 90% I max | Deposition Rate |
| 2.5 x 350 mm | 60-90 A | 22 V | 71 % | 39 sec | 1.2 kg/h |
| 3.2 x 350 mm | 90-125 A | 24 V | 72 % | 40 sec | 1.9 kg/h |
| 4.0 x 350 mm | 125-170 A | 25 V | 74 % | 41 sec | 2.9 kg/h |
