Main features of LSAW steel pipe
2024-10-24
1) The steel pipe has a longitudinal weld, and the inner and outer welds are all welded by submerged arc welding.
2) After the overall mechanical expansion treatment, the internal stress of the steel pipe is small and evenly distributed, which can effectively prevent stress corrosion cracking, has high dimensional accuracy, and is convenient for on-site welding construction.
3) The pre-welding and finishing welding process is adopted, the welding process is stable, and the welding seam quality is high.
4) The welding seam is easy to realize the non-destructive flaw detection in the production process and the non-destructive flaw detection in the field during the use process.
5) The range of product specifications is large, which can produce steel pipes with small diameter and large wall thickness as well as large diameter and large wall thickness.
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