Lincoln Part # ED019589. Lincolnweld 860 wire flux. 50 pound bag. Top Features: Industry standard for submerged arc welding applications. Excellent operating characteristics in a variety of general welding applications. Capable of producing weld deposits with impact toughness exceeding 27 J (20 ft lbf) at -40 C (-40 F) with Lincolnweld L-61. Typical Applications: AASHTO Fracture Critical applications with Lincolnweld L-61 wire. Pipe and other double ending applications. General purpose structural and multiple pass welds.Storage tanks using L-61 or LA-85. May be used in as-welded or stress-relieved applications.