Bohler FOX CN 23/12-A description: Rutile electrode of type E 23 12 L / 309L providing increased delta ferrite contents (FN 17) in the weld deposit for safe and crack resistant dissimilar joint welds and surfacing. BÖHLER FOX CN 23/12-A is noted for its superior welding characteristics and metallurgy. It can be used on AC and DC. Other advantages include high current carrying capacity, minimum spatter formation, self releasing slag, smooth and clean weld profile, safety against formation of porosity due to the moisture resistant coating and its packaging into hermetically sealed tins. Operating temperature from -60C to +300C and for weld claddings up to +400C.