schedule 40 steel pipe wall thickness 1. MOQ 10T 2. ISO9001 and ... pipes 4. OD89-273*WT7-50 schedule 40 steel pipe wall thickness 133*14-25140*14-32146*14-32151 ... Productsseamless steel pipe, low alloy steel pipe, carbon steel pipeTechnicshot-rolledStandardGB/T8162,8163,17396,API Spec 5CT, 5L and equivalent standardsDIN1626, ... standard, specifcation and steel grade. schedule 40 steel pipe for construction