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ASTM A500 square hollow section, steel tube
Square pipe
Seamless square pipe
1)Specifications:
30 * 30-600 * 600mm,wall thickness 3.5-30mm
2)Implementation of the standards:
EN10210 EN10219: S235JRH S275J2H S355JOH S355J2H
ASTM A500: A B C D
JIS G3466 STKR: 400 490
GB/T3094-2012: 20 # Q345B Q345D

Welded square pipe
1)Specifications:
30 * 30-800 * 800mm, thickness 2.5-30mm
50 * 30-800 * 300mm, thickness 2.5-30mm
2)Implementation of the standards:
EN10210 EN10219: S235JRH S275J2H S355JOH S355J2H
ASTM A500: A B C D
JIS G3466 STKR: 400 490
GB/T6728-2012 GB/T3094-2012: Q235B Q345B Q345D