Process:Spiral Submerged- Arc Welded Steel Pipe Usage:Used for low pressure liquid delivery, such as water ... and oil; construction and piling Standard:API 5L, API 5CT, ASTM A252, ASTM 53, EN10217, EN10219, BS, JIS, IS Certificate:EN10217, ... Thickness:3.2mm - 25.4mm Length:6 – 22 m Steel Grade:API 5L: GR A, GR B, X42,X46, X56 ... , X60,X65,X70 ASTM A252 GR 1, GR 2, GR 3 ASTM A53: GR A, GR B, GR ...