FCW M 71Cu
Description & applications
• Seamless copper coated metal cored wire for semi-automatic gas shielded metal arc welding
• Cr-Ni-Cu alloyed
• Single and multipass welding of weathering steels
• HDM guaranteed < 4 ml/ 100g deposited metal on the whole parameter box
• No moisture pick up, excellent wire feeding properties, good weldability and low spatter
APPLICATIONS
Examples
Weathering steels S235J0W, S235J2W, S355J2G1W
COR-TEN A, COR-TEN B, Patinax 37 etc
Classification
| AWS A 5.28 | EN ISO 17632-A |
|---|---|
| E70C-G H4 | T 46 A Z M M 1 H5 |
Typical weld metal composition (%)
| C | Mn | Si | Cr | Ni | Cu |
|---|---|---|---|---|---|
| 0.06 | 1.2 | 0.5 | 0.2 | 0.5 | 0.4 |
All weld metal mechanical properties
| Rm (MPa) | Rp0.2 MPa | A5 (%) | KCV |
|---|---|---|---|
| 570 | 500 | 22 | 20°C : 110 J |
Shielding gas
| SHIELDING GAS M21 gas mixtures (Ar + 5 - 25% CO2) according to EN 439 / ISO 14175 | Gas flow rate: 12 - 25 l/min |
|---|
Operating conditions
| Diameter [mm] | Current type | Current I [A] | Voltage [V] | Stick out [mm] |
|---|---|---|---|---|
| 1.2 | DC(+) or pulsed | 100-350 | 15-35 | 12-25 |
| 1.4 | DC(+) or pulsed | 120-400 | 15-35 | 12-25 |
| 1.6 | DC(+) or pulsed | 130-500 | 15-35 | 15-25 |
Welding positions
EN ISO 6947ASME IX: FCW M 71Cu is weldable in position by adapting transfer mode and intensity as for solid wires
Packings & Diameters
| Diameters [mm] | 1.2 - 1.4 - 1.6 |
|---|---|
| Packing(s) | Spool BS300 |
| Weight [Kg] | 15 |
| Description | - |