ESAB WELDING Flux Core - Dual Shield II 70 Ultra Welding Wires 537-245013313 A mixture of 75&#37; Ar&#47;25&#37; CO2 shielding gas is recommended to improve arc characteristics&#44; This is an all-position flux cored wire recommended for 0.5&#37; Mo steels. Wire can be used in the fabrication and erection of boilers&#44; pressure piping and tubing and other The weld metal analysis is similar to an E7018-A1 low hydrogen electrode. Wire is associated with E81T1-A1C&#47;E81T1-A1M class of wires and comes in an adapter less wire spool