For longitudinal seam automatic welding workpiece From 500 up to 6,000 mmModel Welding Length mm Inches LSW 500 500 19.7" LSW 1000 1,000 39.37" LSW 1500 1,500 59" LSW 2000 2,000 78.75" LSW 2500 2,500 98.42" LSW 3000 3,000 118.11" LSW 3500 3,500 137.80" LSW 4000 4,000 157.48" LSW 5000 5,000 196.85" LSW 6000 6,000 236.22"