SELECTARC CuNi30 - Basic coated copper-nickel electrode for welding and surfacing seawater-resistant alloys
* Price may vary depending on order volume. For bulk orders, please request an individual quotation.
* Price may vary depending on order volume. For bulk orders, please request an individual quotation.
CLASSIFICATION
| AWS A5.6: ECuNi | ISO 17777: E Cu 7158 (CuNi30Mn2FeTi) |
CHARACTERISTICS AND APPLICATIONS
Basic coated copper-nickel electrode designed for joining CuNi alloys containing up to 30 % Ni and for surfacing the final layer on CuNi70/30 clad steel.
The electrode can be welded in all positions except vertical down, providing easy slag removal and a smooth weld appearance.
The weld metal is resistant to sea water.
WELD METAL CHEMICAL COMPOSITION (%)
C < 0.03 Si 0.2 Mn 1.2 Ni 30.0 Fe 0.5 Ti 0.2 Pb < 0.02 Cu Rem.
MECHANICAL PROPERTIES
Rₘ (MPa): > 380 Rₚ₀.₂ (MPa): > 240 A₅ (%): > 30
DIMENSIONS AND WELDING CURRENT
= +
| DIMENSIONS | AMPERES |
| 2.5 × 300 | 55–75 A |
| 3.2 × 350 | 80–100 A |
| 4.0 × 350 | 110–130 A |