... .53-2.5m 2,Seam width no more than 3mm 3,Welding speed no less than 1000mm/min 1,Welding material SS cold ... .53-2.5m 2,Seam width no more than 3mm 3,Welding speed no less than 1000mm/min 4,Welding Arc Length no ... more than 5mm 5,Cutting Accuracy 0.01mm/1000mm(0 ...