Specification
| Diameter | Thickness | |
| 30 | 2.0-3.0 | |
| 33.5 | 2.0-3.0 | |
| 34 | 2.0-3.0 | |
| 38 | 2.0-3.0 | |
| 40 | 2.0-3.0 | |
| 42 | 2.0-3.0 | |
| 45 | 2.0-3.0 | |
| 48 | 2.0-3.75 | |
| 50/54 | 2.0-3.75 | |
| 58 | 2.0-3.75 | |
| 60 | 2.0-4.5 | |
| 70 | 2.0-4.5 | |
| 76 | 2.0-4. 5 | |
| 89 | 2.3-4.75 | |
| 102 | 2.75-5.0 | |
| 108/109.5 | 2.75-5.5 | |
| 121 | 2.75-5.0 | |
| 114 | 2.75-5.5 | |
| 127 | 2.75-5.5 | |
| 133 | 2.75-6.0 | |
| 140 | 2.75-6.0 | |
| 146 | 2.75-6.0 | |
| 152 | 2.75-6.0 | |
| 159 | 2.75-6.0 | |
| 165 | 2.75-6.0 | |
| 168 | 2.75-6.0 | |
| 180 | 3.0-6.0 | |
| 194 | 3.0-6.0 | |
| 203 | 3.0-6.0 | |
| 219 | 3.0-6.0 | |
| 245 | 3.0-6.0 | |
| 273 | 3.5-6.0 | |
| Product Name | Round Steel Tube |
| Wall Thickness | 2MM~6MM |
| Technique | Hot Dip Galvanized Round Steel Tube |
| Package | clients' requirement and Standard export sea-worthy packing |
| Application | street lamp、traffic sign、steel structure bridge、container、semi trailer、gantry、height limit、steel grid structure、corrugated guardrail |
Tube Manufacturing Process
A structured manufacturing process covering material preparation, forming, welding, inspection, finishing and delivery.
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01
Slitting
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02
Uncoiling
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03
Leveling
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04
Shear & Butt Welding
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05
Spiral Loop
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06
Edge Milling
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07
High-Frequency Welding & TBS Forming
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08
Deburring
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09
Ultrasonic Flaw Detection
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10
Weld Seam Heat Treatment
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11
Air & Water Cooling
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12
Diameter Sizing
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13
Straightening
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14
Cut-Off
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15
End Facing
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16
Final Inspection
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17
Marking
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18
Bundling & Packaging
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19
Warehousing
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20
Dispatch



