| Standard | |
| Grade | |
| Thickness | 3, 30 |
| Section Shape | Square |
| Outer Diameter | 30*30--500*500 |
| Place of Origin | Hebei, China |
| Secondary Or Not | Non-secondary |
| Application | Structure Pipe |
| Alloy Or Not | Non-alloy |
product:square steel pipe
material:Q235B,Q345B,20#.ST37,ST44,ST52 and so on
specification:30*30-600*600mm the wall thickness between 2-25mm
standards:GB/T3094-2000,GB/T6728-2002,ASTM A500,JISG3466
use:construction structure,machinery,hall structure,shipbuilding,automotive parts,making boiler,
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