1)Product:carbon steel profile square pipe 2)WT:0.7mm-13mm 3)Material:Q195~Q345 4) ... mains Deep tube wells casing pipes, Gas/Natural gas pipe lines, Oil pipe lines, Industrial Purposes, Sewerage system, Industrial water lines/plant ... Steel Tubes for Water WellsASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessJIS ...