This category includes a wide range of steel pipes to meet diverse needs: ERW carbon steel pipes (DN15-DN1200) for general piping, seamless steel pipes (10-508mm OD) for high-pressure hydraulics, and spiral pipes (219-3000mm OD) for large-diameter projects. Materials propinquos meos 5L, ASTM A312 et GB / T (VIII) CLXIII. Services: coating (Ep / PE), threading et Hydrostatic temptationis. Applications: oleum agros, potestatem plantis, et aedificationem structures.