Stainless Steel Pipe Perforated Pipe welding Machine strip thickness 0.4mm strip width 68mm diameter range Φ 28-70mm power 3.75KW speed 0-4m/min dimension L*W*H 1100*1000*1350mm weight 800kg cutting mode saw blade cutting welding spiral argon arc welding current welding machine 300A material stainless steel applicable wire wound filter inside the frame