... purposesIS 4270 Steel Tubes for Water WellsASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded ... :1161 Fe 330, Fe 410)BS 1387, BS4568, S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33 ...