Welded steel pipe

Raw materials: coil - leveling - end cutting and welding - forming - welding - removal of internal and external weld beads - pre-correction - induction heat treatment - sizing and straightening - eddy current testing - cutting - hydrostatic test - pickling - final inspection (strict quality control) - packaging - shipment. Features: Straight seam welded pipes have a simple production process, high production efficiency, low cost, and rapid development. The strength of spiral welded pipes is generally higher than that of straight seam welded pipes. Narrower slabs can be used to produce welded pipes with larger diameters, and welded pipes with different diameters can be produced using slabs of the same width. However, compared with straight seam pipes of the same length, the weld length increases by 30~100%, and the production process is more complex.

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Welded steel pipe

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Welded steel pipe

022-23977890

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Product Introduction

　　Raw material coil - flattening - end cutting and welding - forming - welding - removal of internal and external weld beads - pre-correction - induction heat treatment - sizing and straightening - eddy current detection - cutting - hydrostatic test - pickling - final inspection (strict quality control) - packaging - delivery.

　　Features:

　　The production process of ERW pipes is simple, with high production efficiency and low cost, and has developed rapidly. The strength of spiral welded pipes is generally higher than that of ERW pipes, and can produce welded pipes with larger diameters using narrower slabs, and can also produce welded pipes with different diameters using slabs of the same width. However, compared with straight seam pipes of the same length, the weld length increases by 30~100%, and the production speed is lower.

　　Application range:

　　Products are widely used in water supply projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction.

　　Used for liquid transportation: water supply, drainage. Used for gas transportation: gas, steam, liquefied petroleum gas.

　　Used for structural purposes:

　　Used as pile pipes, bridges; piers, roads, building structural pipes, etc.

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Welded steel pipe

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Tianjin Lida Steel Pipe Group Co., Ltd
Company address: Wangcun Industrial Park, Dasi Town, Xiqing District, Tianjin
Contact Phone:022-23977890

"Lida" brand steel pipe sales department

Contact: Wang Qiming

Contact Phone:022-23977890

Lida Steel Pipe

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