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| Standard | GB | Standard2 | GB 13296-2007, GB 18248-2000, GB 3087-1999, GB 5130, GB/T 3091-2001 |
| Grade Group | Q195-Q345 | Grade | Q195, Q215, Q235, Q345 |
| Thickness | 0.65 - 20 mm | Section Shape | Square |
| Outer Diameter | 9*9-250*250 | Place of Origin | Tianjin, China |
| Application | Structure Pipe | Technique | ERW |
| Certification | ISO | Surface Treatment | black or painted |
| Special Pipe | ERW welded pipe | Alloy Or Not | Non-alloy |
| Product name | mild steel square hollow sections | Keyword | mild steel square hollow sections |
| Type | Hot Rolled Hollow Carbon Pipe | Material | Q195/Q215/Q235/Q345 |
| Surface | Customers't Requirement | End protector | Plastic Pipe Cap Iron Protector |
| Shape | Square. Rectangular.Round | Usage | Construction Structure |
| Length | 1-12m | factory | Tianjin |
| Secondary Or Not | Non-secondary |
No. 25-30, Row D, Jieyuandao Stainless Steel City, West of Kaiyuan Rd, Dongjiangjing Village, Zhongbei Town, Xiqing Dist.
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