... for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc. ERW :Electric Resistance Welded pipe HFI ... Wall Thickness:1.8 - 22mm Length:0.3 – 12m Steel Grade:API 5L : GR B, X42, X46, X56, X60, X65, X70 ... coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement Test:Chemical Component Analysis ...