A-106 B = P-1 Gr. 1
Assuming you are using Carbon steel filler. Don't know your requirments but
Dual shield E71T-1 (flux cored useing straight CO2 or 75%/25%)
E70T-7 needs no gas shield and has a high deposit rate.
But Changing processes requires requalifying the procedure, you might want to make more inquiring befor you switch.