SUPERMIG 409Nb is a ferritic stainless-steel welding wire and addition of niobium results in a preferential reaction with carbon, which will prevent the chromium from forming carbides. It is used primarily in the automotive industry for welding catalytic converters and other parts of the exhaust system.
409Nb is a solid wire for TIG welding, available in bright finish, gives smooth flow, stable arc and spatter free under optimum welding conditions. This wire is depositing 12Cr – 0.5Ni – 1Nb weld metal. Added Nb in weld metal to produce a ferritic microstructure with fine grains. It is ideally suited for welding ferritic stainless steels such as 405 and 409. It is also suitable for overlay on carbon steels, low alloy steels, 410 stainless steel, etc.
Application
ER409Nb is a ferritic stainless steel welding wire which is used to weld Type 409 and 409Ti base materials. Addition of columbium leads to a preferential reaction with carbon, saving chromium from forming carbides. This improves corrosion resistance, increases strength at high temperatures.
Properties
A ferritic stabilized stainless solid welding wire of 12% Cr and 0,4% Nb type. OK Autrod 409Nb is used for welding of similar steels in applications such as catalytic converters and mufflers.
Arcos 409Cb/409Nb is designed for welding automotive exhaust system components such as manifolds, mufflers, catalytic converters and tubing.
⚠️ Caution
Protect yourself and others read the safety data sheet prior to using this product.
