There are several models of stainless steel wireStainless steel wire is mainly divided into two kinds, one is solid wire , there is a flux cored wire. Wire , when used, is mainly based on the different materials required for welding use different wire .ER308H stainless steel wire is mainly used for welding stainlessCast Iron Welding Wire steel 18Cr-8NiER309Mo stainless steel wire is mainly used for welding 22Cr-12Ni-2.5Mo steelER409Cb stainless steel wire is mainly used for 409 and 410 stainless steels