Marine Welding Materials >> Welding Electrode >> Copper or Copper Alloy Electrode >> ECuNiCopper or Copper Alloy Electrode AWS ECuNi
Product Name Copper or Copper Alloy Electrode
Product No. MHAE411-WE077
Standard
GB ECuNi-B
AWS ECuNi 
Type of Covering Lime titania Cu70Ni30 alloy core
Welding Position F
Chemical Composition C Mn Fe P S Si Pb Ni other
Guarantee Remain ≤2.50 ≤2.50 ≤0.020 ≤0.015 ≤0.50 ≤0.020 29.0-33.0 Pb+Zn ≤0.50
Mechanical Properties of Deposited Metal
Test Item Tensile Strengh Rm (MPa) Elongation A4 (%)
Guarantee ≥350 ≥20
Reference Current (DC)
Electrode Diameter(mm) 3.2 4.0 5.0
Welding Current(A) 95-120 120-150 150-180
Instructions
1.The Electrodes must be baked under 200 for an hour before Welding and used as soon as baking is completed.
2.The stains on the weldments,such as rust,oil stains,moisture,etc.,must be cleared away before Welding.
Application
Suitable for welding structures of 70-30 Cu-Ni alloy or 70-30 Cu-Ni alloy with 645-Ⅲ steel clad metal.

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