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Welded Carbon Steel Round Pipe / Seamless Carbon Steel Round Pipe / Welded Carbon Steel Square Pipe
High-strength Q195/Q235/Q345 or ASTM A53/A106 material. Advanced ERW/LSAW/Cold-drawn technology for precise sizes.
Optional hot-dip galvanizing, epoxy coating, or spray painting to extend outdoor service life.
| Parameter | Specification Range | Common Sizes | Standard |
|---|---|---|---|
| OD | 10mm-2000mm | 21.3mm, 48mm, 114mm | GB/T 3091, ASTM A53 |
| Wall Thickness | 0.8mm-20mm | 2.0mm, 3.6mm, 6.0mm | EN 10219, JIS G3444 |
| Length | 1m-12m (Custom up to 18m) | 6m, 12m | - |
| Parameter | Specification Range | Common Sizes | Standard |
|---|---|---|---|
| OD | 6mm-800mm | 25mm, 60mm, 168mm | GB/T 8163, ASTM A106 |
| Wall Thickness | 1mm-50mm | 3mm, 8mm, 12mm | DIN 2448, OCTG |
| Side Length | Wall Thickness | Standard | Feature |
|---|---|---|---|
| 10x10mm - 500x500mm | 0.8mm-20mm | GB/T 6728, ASTM A500 | Internal/External deburring |
| Industry | Applications |
|---|---|
| Construction | Building frameworks, scaffolding, guardrails, roofing supports. |
| Oil & Gas | Low-pressure pipelines, casing pipes, water injection lines. |
| Water Supply | Municipal drainage, fire sprinkler systems, irrigation pipes. |
| Mechanical | Conveyor rollers, hydraulic cylinders, truck chassis. |
| Agriculture | Greenhouse frames, livestock fencing, grain storage. |
Drawing on over forty years of successful steel trading experience and officially established in 2009. Over the past decade, we are committed to developing a comprehensive supply chain system encompassing 'metal trading-warehousing-logistics-processing and distribution,' offering one-stop solutions for global manufacturing, infrastructure, machinery, construction, and more than 20 steel-using industries.




Sandstorm Steel