Taseto RNY308HT description: TASETO RNY308HT is the electrode developed with the objective to limit the ferrite content of all weld metal to 3～8% and improving the mechanical properties at elevated temperatures. It is used for welding of Type 304H for high temperature service. Crack resistibility of its weld metal is good. RNY308HT is a lime-titania type covered electrode suitable for positional welding.