... rust.4)Usage:For conveying gas,water,and oil in both the oil and natrual gas industries5)Sour service:Acc to ... NACE MR-0175 or without6)Paiting :black paiting,3PE coating and ... Industry Machinery, Solar Stent, Offshore Oil Field, Mine Equipment, Electromechanical Hardware, , heavy engineering, Mining and Resources, Process Engineering, Materials ...