Slagless metal powder cored electrode with outstanding welding properties in the short­ arc and spray arc range. Almost spatter ­free when welding in the spray ­arc range with mixed gas. Good restriking, even with cold wire tip, thus being suitable for robot application. Characteristic features; high deposition rate and welding speed, good side wall fusion, finely rippled welds, without undercutting into the base metal, not even on contaminated or corroded metal surfaces. Weld metal has a little formation of silicates on surface, so that multi pass welds can be made without cleaning. FCW 21 is well ­suited for root­ and positional welding and gap bridging, due to it's easily controllable weld pool in the short ­arc range.