BS1387 GI ms pipes 1.Grade: Q235, Q345, Q195, Q215 2.Outer Diameter:14 - 273 ... :petroleum,power,gas metallurgy,papermaking,chemical,shipbuilding,construction,etc9)Addition:1.special design available according to requirement.2.Anti-corrosion and ... 0.8mm-14mm16''406.4mm 0.8mm-16mm BS1387 GI ms pipes