Sandvik 20.25.5.LCuR description: Sandvik 20.25.5.LCuR is a covered electrode of AWS 385-16 type with rutile-basic coating and normal recovery, used for welding of high-alloy austenitic stainless of UNS N08904 type, also known as 904L (e.g. Sandvik 2RK65). Sandvik 20.25.5.LCuR gives a fully austenitic chromium-nickel-molybdenum weld metal with especially low carbon content and with copper addition. Spray transfer gives a bead with a finely rippled surface, little spatter and good slag removal.