A continuous ferritic stainless solid wire with low carbon content, 18 % Cr and stabilised with Nb, for welding similar and matching steels. OK Autrod 430LNb (W) is developed and designed for the Automotive industry and used for the production of exhaust systems. The wire should be used when there is a need for good resistance to corrosion and thermal fatigue. The OK Autrod 430LNb (W) is a new version of OK Autrod 430LNb (W), with restricted Nb limits.