CuNi 90-10
Application
Suited for surfacing and cladding applications, these consumables exhibit optimal performance when accompanied by a fitting buttering layer, commonly alloy 400 or pure nickel. Their versatile applications extend to offshore construction, desalination plants, and various components like evaporators and condensers used in salt and sea water processing systems. Notably, preheating is typically unnecessary, and the interpass temperature is restricted to a maximum of 150°C, eliminating the need for post-weld heat treatment (PWHT). Ensuring the weld zone's purity is paramount, necessitating meticulous precautions to prevent contamination with foreign materials, particularly those containing lead, tin, or zinc. Such scrupulous measures are imperative to safeguard against any potential weld metal cracking.
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 |
