Carbon Steel Welded Pipe
Professional Welded Pipe Supplier
Production process
Straight seam welded pipe production process is simple, high production efficiency, low cost, faster development. The strength of spiral welded pipe is generally higher than that of straight seam welded pipe, and it can produce welded pipe with larger diameter from narrower billet, and it can also produce welded pipe with different diameters from the same width of billet. However, compared with the same length of straight seam pipe, the length of welded seam increases by 30-100%, and the production speed is lower.
Welded pipes with large or thicker diameters are usually made directly from steel billets, while small welded pipes with thin walls are simply welded directly through the steel strip. Then after a simple polishing, drawing can be.
industry benchmark

parameters
| Large Diameter LSAW Pipe | |
| Product name | Large diameter LSAW pipe |
| Brand | GNEE |
| Place of origin | China |
| Standard | API 5L,API 5CT,ASTM A53,EN10217,IS 3589,GB/T3091,GB/T9711 |
| Grade | GR B, X42, X46, X56, X60, X65, X70 ASTM A53: GR A, GR B, GR C EN: S275, S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555 |
| Outer diameter | 323.9mm-914.4mm |
| Wall thickness | 6mm-50mm |
| Length | 6m-22m or as per customers' request |
| Ends | plain end,bevel end,thread,coupling,groove |
GNEE welded pipe delivery site


Company product quality testing requirements and equipment
The company has a perfect product quality testing system, including physical testing and chemical testing. The company adopts advanced testing equipment, including universal testing machine, hardness tester, spectroscopy equipment, metallurgical microscope, ultrasonic flaw detector, etc., to ensure that the products meet the required standards and specifications.
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