Q195 Q215 Q235 558mm erw steel pipe

China Steel - SteelfromChina
Cold Rolled Steel. Quality: Q195, Q215, Q235. For Chemical ERW Pipe – China Steel Designations & Grades with comparisons: STANDARD, GRADE
China Large diameter 100*100mm Q195 ERW carbon steel from
China Large diameter rectangular/square steel pipe/steel tube/hollow section from China A.B.C,Q195,Q215,Q235,Q345 ERW black welded square or round.
China 6 inches ERW steel pipe from Tianjin Manufacturer: Capstone
China Best quality ERW welded/black/carbon steel pipe/steel tube /schedule 14291-2006; Grade: Q195-Q345, Q195, Q215, Q235; Thickness: 0.8 - 18mm