Hyundai SMT-7030 description:
Applications
Used for welding desalination plant, evaporators, etc in salt and sea water processing system.
Characteristics on Usage
SMT-7030 is a MIG(TIG) Wire used to weld different copper-nickel types Cu/Ni 70.30, 80.20 and 90.10.
Preheating not normally required, maximum interpass temperature 15C and no PWHT. contamination of the weld zone with foreign material, particularly any source of lead, tin or zinc must be scrupulously avoided to prevent weld metal cracking.