... : Q195, Q235, Q345, X42, X46, X52, X56, X60, X65, X70, 10#, 20#, 45#, etc3. Certificate: API 5L, ISO ... Q215, Q235, Q345, X42, X46, X52, X56, X60, X65, X70, 10#, 20#, 45#, etcProduct CategoryMetallurgy,Mineral &EnergyTechniqueWeldedPacking1.Big ... range of steels, such as: galvanized pipe, square pipe, spiral pipe, seamless pipe, straight-seam pipe and so on LogoZTHYContact informationShirleyTel :86 ...