... Welded Steel Pipe Usage:Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling Standard:API 5L, API 5CT ... , EN10217, EN10219, BS, JIS, IS Certificate:EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT Out Diameter:219.1 mm – 2540mm (8"-100 ... ") Wall Thickness:3.2mm - 25.4mm Length:6 – 22 m Steel Grade:API 5L: GR A, GR B, X42,X46, X56, X60 ...