Matrix 347 is a lime titania coated electrode for welding niobium (Nb) or titanium (Ti) stabilized 19% Cr,  10% Ni type stainless steels, AISI 321 and 347. Weld deposits is corrosion resistant to inter granular and nitric acid chemical. Operating temperature up to 400°C. smooth arc transfer, low spatter and easy slag removal. Heat exchanges, pressure vessels, boiler part, etc.