... thickness 0.53-2.5m 2,Seam width no more than 3mm 3,Welding speed no less than 1000mm/min ... 0.53-2.5m 2,Seam width no more than 3mm 3,Welding speed no less than 1000mm/min ... 01mm/1000mm(0.05mm SS sheet)6,Welding Length 1000mm-3500mm WE CAN MANUFACTURE KINDS OF EQUIPMENT FOR INNER ... ACCORDING TO CUSTOMER’S REQUIREMENT AND NEED. straight seam welding machine for inner and outer tanks of solar Water heater ...