Copper-coated solid wire designed for welding carbon and carbon-manganese steels with tensile strength up to 510 MPa. Suitable for single pass or multi-pass welding. Applications include tanks, boilers, steel structural works, earthworks and construction works. To be used under the shield of Ar+CO2 or CO2.
| C | 0.06 |
| Si | 0.50 |
| Mn | 1.10 |
| Ti | 0.1 |
| Zr | 0.09 |
| Al | 0.1 |
| C1 | M21 | |||
| Yield strength | 400 MPa | 440 MPa | ||
| Tensile strength | 490 MPa | 520 MPa | ||
| Elongation | 27 % | 28 % | ||
| Impact test Kv (-20°C) | 60 J | 70 J | ||
| Impact test Kv (-30°C) | 50 J | 60 J |
| Diameter (mm) | Volts | Ampere |
| 0.6 | 15-26 | 50-180 |
| 0.8 | 16-28 | 60-200 |
| 0.9 | 16-30 | 70-230 |
| 1.0 | 17-32 | 80-260 |
| 1.2 | 18-34 | 100-360 |