Taseto RNY347 description: Since TASETO RNY347 has excellent resistibility to intergranular corrosion in polythionic acid conditions of desurfurization plant, because of carbon stabilizing effect of Nb added in weld metal. It is used for welding of Type 347 and Type 321 stabilized stainless steel. RNY347 is a lime-titania type electrode suitable for all position welding.