SSAW Steel Pipe(Spiral Submerged Arc Pipe) Sizes: Out diameter:219mm-3620mm Wall thickness: 5mm-25.4mm Length: 3m-12m Steel Pipe for Fluid Service: ASTM A53: Black and hot-hipped galvanized welded and seamless steel pipe. BS EN10217-2: Welded steel tybes for pressure purposes - delivery technical conditions - part2: Electric welded non- alloy and alloy steel tubes with specified elevated temperature properties. BS EN10217-5: Welded steel tybes for pressure purposes - delivery technical conditions - part5: submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties. Steel Pipe for Ordinary Structure. ASTM A252: Welded and seamless steel pipe piles. BS EN10219-1: Cold formed welded structural hollow sections of non-alloy and fine grain steels - part1: Technical delivert conditions. BS EN10219-2: Cold formed welded structural hollow sections of non-alloy and fine grain steels - part2: tolerances dimmsions and sectional properties.