EI 308MA is a special rutile-type electrode designed for welding high-temperature stainless steels such as Outokumpu 253 MA and EI 308MA. These steels and filler metals, used in furnaces, combustion chambers, and burners, provide exceptional resistance to oxidation up to 1100°C. The chemical composition of EI 308MA is optimized to produce a weld metal with high crack resistance. These steels typically form a thick oxide layer during welding or hot rolling, and oxidized plates and welds must be cleaned before welding. The electrode offers easy arc initiation and re-ignition, features fine droplet transfer, and ensures good fusion with the base metal. The slag is easy to remove.It demonstrates excellent resistance to corrosion at high temperatures but is not designed for aqueous corrosion resistance.
