Suitable for multi-pass welding. Used with carbon steel, low-alloy steel, austenitic stainless steel, martensitic stainless steel welding wire. The flux is suitable for direct current reverse connection, and its weld has excellent mechanical properties and low-temperature impact toughness. With the corresponding surfacing welding wire for surfacing welding, the surfacing layer has better comprehensive performance of high temperature oxidation resistance. Flux type:Fluoride-basic Basicity Index:3.0 Grain Size:2.0--0.28mm(10---60meshes)