1,material SS cold-rolled sheet ,thickness 0.53-2.5m 2, ... Welding speed no less than 1000mm/min 1,Welding material SS cold-rolled sheet ,thickness 0.53-2.5m 2,Seam ... than 5mm 5,Cutting Accuracy 0.01mm/1000mm(0.05mm SS sheet)6,Welding Length 1000mm-3500mm WE CAN MANUFACTURE KINDS ... ACCORDING TO CUSTOMER’S REQUIREMENT AND NEED. straight seam welding machine for inner and outer tanks of solar Water heater