CuNi 90-10
Application
This consumable is ideal for cladding and plating operations, provided that a buttering layer is applied. Usually, this buttering is executed with alloy 400 or pure nickel. It is widely used in offshore constructions, desalination plants, evaporators, condensers, and saltwater and marine treatment systems. Preheating is generally not necessary, with a maximum interpass temperature of 150 °C and no post-weld heat treatment (PWHT). It is crucial to avoid any contamination in the weld zone with foreign materials, particularly those from lead, tin, or zinc, to prevent cracks in the weld metal.
Alloy Type
90/10 copper-nickel alloys.
Microstructure
Solid solution, single phase alloy.
Materials
- EN W.Nr.: 2.0872 (CuNi10Fe), 2.0882 (CuNi30Mn1Fe), 2.0883 (CuNi30Fe2Mn2)
- ASTM: C71500, C96400 (cast)
- UNS: C70600, C96200
- PROPRIETARY: Cunifer 10 (VDM), Osna®-10 (KME)
Products of the line CuNi 90-10
| Product name | Process | AWS specifications | EN ISO specifications | |
| DAIKOWM 412 | GMAW |
AWS A5.7
ERCuNi |
EN ISO 24373
S Cu 7061 |
|
| DAIKOWT 412 | GTAW |
AWS A5.7
ERCuNi |
EN ISO 24373
S Cu 7061 |
