It is 20%Cr-10%Ni-Nb stainless steel flux cored wire shiled by CO2. It can be used for joining 07Cr19Ni11Ti（SUS321）and 07Cr18Ni11Nb（SUS347）cause it has good performance on intergranular corrosion resistance and has low crack sensitivity. It usually can be used for food machinery, medical equipment, pressure vessel, petroleum chemical industry, etc.