AWS A5.7/ASME SFA 5.7 ER CuNi

JIS Z3341 YCuNi-3

Applications

Used for welding desalination plant, evaporators, etc in salt and sea water processing system.

Characteristics on Usage

① AWS A5.7/ASME SFA 5.7 ER CuNi Stainless Welding Wire is a MIG(TIG) Wire used to weld different copper-nickel types Cu/Ni 70.30, 80.20 and 90.10.
② Preheating not normally required, maximum interpass temperature 150℃ and no PWHT.contamination of the weld zone with foreign material, particularly any source of lead, tin or zincmust be scrupulously avoided to prevent weld metal cracking.

Shielding Gas

Ar, Ar+He