Taseto TG347 description: TASETO TG347 is the welding material which has the composition of 19%Cr-9%Ni-Nb. As Nb is added, its resistibility of intergranular corrosion in polythionic acid conditions of desurfurization plant is good. Besides, it has high strength at elevated temperature. TG347 is used for welding of Type 321 and Type 347 stainless steel. TG347L whose carbon content is further decreased is also available.