Prestige Enterprises is Wholesale Supplier of MS Spiral Welded (H-SAW) Pipes Size : 18" (450 mm NB) to 120" (3000 mm NB) Thickness : 6mm to 25mm. MS Longitudinal Welded Saw Pipes (L-Saw) Size : 12" (300 mm NB) to 64" (1600 mm NB) Thickness : 6mm to 60mm. MS Fabricated Pipes (C-SAW) Size : 12" (300 mm NB) to 120" (3000 mm NB) Thickness : 6mm to 65mm. MS ERW Pipes 6" (150 mm NB) to 20" (500 mm NB) Thickness : 3mm to 12.7mm.