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| Standard | ASTM, DIN, GB, JIS | Standard2 | ASTM A53-2007, DIN 1626, GB/T 3094-2000, JIS G3429 |
| Grade Group | 16Mn, A53-A369, Q195-Q345, ST35-ST52 | Grade | 16Mn, A53(A,B), Q235, Q345, Q195, St52 |
| Thickness | 0.6 - 25 mm | Section Shape | Square |
| Outer Diameter | 10*10-630*630 | Place of Origin | Tianjin, China |
| Application | Structure Pipe | Technique | ERW |
| Certification | ISO9001 | Surface Treatment | black ,galvanized |
| Special Pipe | Thick Wall Pipe | Alloy Or Not | Non-alloy |
| Type | Square Tubes, Welded ERW | Processing Service | Bending, Welding, Punching, Cutting |
| Secondary Or Not | Non-secondary | Product name | Manufacturer direct specifications supplier square steel tube |
| Keyword | Mill Test Certificate Steel Pipe | Shape | Round/Square/Rectangular |
| Length | 0-12m | Surface | Customers't Requirement |
| Material | Q195/Q235/Q345 | Color | Black....as Customers' Requirement |
| Port | Tianjin | Tolerance | 0.04 |
South of qianjin village,North Gate Town,Jingnan Distract,Tianjin
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