... Material: Q195-Q345Standard: GB/T 3091, BS1387, ASTM A53Surface treatment: black, galvanized, oiled, painted or as per client’s requirePackage: bundles, loose ... such as : ERW steel pipe , galvanized pipe , square pipe , RHS , seamless pipe , galvanized steel coil , PPGI, PPGL , galvanized strips , steel strips and so ...