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Q235B square tube is a square tube formed by Q235B hot-rolled or cold-rolled steel strip after process treatment. Q235B square tube uses: mechanical equipment manufacturing, glass curtain wall, marble curtain wall dry hanging, shipbuilding, cargo support, steel structure engineering, furniture manufacturing, medical equipment, agricultural and chemical machinery, auto parts, etc.
Q345B square tubes are used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power
Q235B square tube is a square tube formed by Q235B hot-rolled or cold-rolled steel strip after process treatment. Q235B squar
Q345B square tubes are used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power
