Home All Products Welding Supplies Welding Electrodes (MMA) Copper Alloy Electrodes SELECTARC CuNi30 - Basic coated copper-nickel electrode for welding and surfacing seawater-resistant alloys
SELECTARC CuNi30 - Basic coated copper-nickel electrode for welding and surfacing seawater-resistant alloys

SELECTARC CuNi30 - Basic coated copper-nickel electrode for welding and surfacing seawater-resistant alloys

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ID: 890
Product Code: SELECTARC CuNi30
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Description

SELECTARC CuNi30 - Basic coated copper-nickel electrode for welding and surfacing seawater-resistant alloys

CLASSIFICATION

AWS A5.6: ECuNiISO 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

= +

DIMENSIONSAMPERES
2.5 × 30055–75 A
3.2 × 35080–100 A
4.0 × 350110–130 A
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