LSAW Steel Pipe (Longitudinal Submerged Arc Welded Pipe) DSAW(Double-side Submerged Arc Welded Pipe) 1. Outer Diameter: 219mm-1820mm 2. Wall Thickness: 5-50mm 3. Standard: GB/T3091-2001, BS1387-1985, DIN2458, API 5L, EN10217 4. Material: Q ...Read More
