Taseto RNY347HT description: TASETO RNY347HT is the electrode developed with the objective of keeping the ferrite content in its all weld metal at 3% to 7% and improving the performance (resistance to creep rupture) in elevated temperatures. It is used for welding of Type 347 stainless steel. RNY347HT is a lime-titania type electrode suitable for all position welding.