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Basic covered stick electrode for welding 2.25% Cr - 1% Mo alloy steels. Approved in long-term applications up to +1100°F service temperature. Applicable for welds in refineries, boiler construction, and thermal power plants. Core wire alloyed electrode provides reliable creep rupture properties. Crack resistant and ductile deposit, high creep rupture strength, low hydrogen content (acc. AWS condition HD < 4 ml/100 g). Good weldability in all positions except vertical down. Deposit is nitride-able and heat treatable. Metal recovery approx. 110 %.