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Square steel tube: 30 * 30-800 * 800mm, wall thickness: 3.0-30mm
Rectangular steel tube: 50 * 30-800 * 300, wall thickness: 3.0-30mm
ERW Pipe: Φ48-1420mm, wall thickness: 2.5-60mm
Seamless steel pipe: Φ60-1020mm, wall thickness 3.0-60mm
EN10210 EN10219: S235JRH S275 S275J2H S355JOH S355J2H
ASTM A500: A B C D
JIS G3466 STKR: 400 490
GB/T6728-2002 GB/T3094-2012: Q235B Q345B Q345C Q345D
square and rectangular hollow section
