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Website announcement: Our company mainly sells various welded pipes such as spiral welded pipes, straight seam spiral welded pipes, and large-diameter welded pipes!
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  • Spiral Welded Pipe Products

    Spiral Welded Pipe Products

  • Spiral Welded Pipe Quotes

    Spiral Welded Pipe Quotes

  • Spiral welded pipe price

    Spiral welded pipe price

  • Spiral welded pipe market

    Spiral welded pipe market

  • Large caliber welded pipe market

    Large caliber welded pipe market

  • How much is the large diameter welded pipe

    How much is the large diameter welded pipe

about us

Our company mainly sells various welded pipes such as spiral welded pipes , straight seam spiral welded pipes , large-diameter welded pipes! Welcome new and old customers to negotiate.

In the past ten years since its establishment, the company has always adhered to the principle of "honesty, honesty, going global". The company sells double-sided submerged arc welded spiral steel pipes, spiral welded pipes and non-standard steel pipes all year round, with specifications of φ219mm--φ1420mm and other double-sided submerged arc welded pipes. The company sells spiral welded pipes , straight seam spiral welded pipes , and large-diameter welded pipes .

Spiral welded pipe manufacturers

Advantages of spiral welded pipe manufacturers

1 advantages of spiral welded pipe

The use of strips of the same width can produce steel pipes of different diameters, especially the use of narrow strips to produce large diameter steel pipes

Under the same pressure condition, the stress of the spiral weld is less than that of the straight weld, so it can withstand greater pressure

Product size, general diameter tolerance does not exceed 0.12%, deflection is less than 1/2000, ovality is less than 1%

Continuous production. Theoretically, it can produce infinitely long steel pipes with small loss of cutting head and tail, which can increase the metal utilization rate by 6% to 8%.

2 Large-caliber Spiral Welded Pipe Industry Advantages

As long as the forming angle is changed, it is possible to produce spiral tubes of various calibers from strips of the same width

Because it is continuously bent, the length of the fixed length of the spiral tube is not limited

The spiral shape of the weld seam is evenly distributed on the entire circumference of the spiral tube, so the dimensional accuracy of the spiral tube is high, and the strength is also high.

3 production process of straight seam spiral welded pipe

Spiral welded pipe is also a kind of welded pipe equipment. Its strength is generally higher than that of straight seam welded pipe. It can use narrower blanks to produce welded pipes with larger diameters. It can also use blanks of the same width to produce welded pipes with different diameters. However, compared with the straight seam pipe of the same length, the weld seam length is increased by 30 to 100%, and the production speed is lower. Therefore, the smaller-diameter welded pipes are mostly straight seam welded, and the large-diameter welded pipes are mostly spiral welded.

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Spiral welded pipe market

  • 2019-11 26 2019-11
    Supply and demand tight balance of spiral welded pipe

    Local market: Chengdu market ’s thread increased slightly by 20, mainstream steel mills have fewer resources, more provinces have more resources, and supply and demand are in a tightly balanced state. The market has more direct shipments and average shipments. It is expected that the short-term Chengdu market steel construction prices may trend ...

  • 2019-08 19 2019-08
    Low demand for spiral welded pipes

    The quotations of various merchants in the Xi'an hot-rolled market are generally stable, and the market's willingness to take delivery is not strong. It is learned from the market that recently, the environmental protection inspection in Xi'an has increased, and some mechanical processing plants that do not meet environmental protection requirements have been required to suspend business ...

  • 2019-07 29 2019-07
    Spiral welded pipe cost end stops falling

    Boosted by the decline in the cost of spiral welded pipes and rising speculation, and the resumption of the policy of limiting production, the Tangshan government issued a document requesting that independent steel rolling be discontinued based on the implementation of July control measures at 00:00 on July 26 to 24:00 on July 28. Currently...

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Large caliber welded pipe market

  • Shipment of finished products of large-diameter welded pipes

    The domestic scrap market is stable and weak. At the beginning of the week, due to the continuous hype about environmental protection and limited production, some steel mills in Shanxi, Shandong, Hebei, Tianjin and other places opened ...
  • Large caliber welded pipe inventory slightly increased

    With the high prices of leading steel mills, the cost of resources has remained high, and under the circumstances of limited resources, merchants build on-demand warehouses, and market demand ...
  • Price adjustment of large-diameter welded pipe in late

    The price of large-diameter welded pipes will be adjusted later. As of press time, according to the monitoring data of the iron and steel cloud business platform, the ex-factory price of 45 # Zhongyuan in each steel mill is: 397 ...
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Spiral Welded Pipe Price

  • 2019-08 27 2019-08
    Straight seam spiral welded pipe market is relatively calm

    In terms of imported coal: A few power plants are currently bidding for Indonesian coal, but the high domestic coal inventory demand is expected to be poor and the tightening of import policies is uncertain. Recently, the exchange rate of RMB against the US dollar has broken 7 and the international sea freight rate has risen ...

  • 2018-06 20 2018-06
    Restricted transportation affects overall market supply of LSAW pipes

    At present, some steel companies in the region are tracking that they have received notice of production limitation, but the specific production limit and production limitation plan are still to be discussed and implemented; steel plants have limited production and transportation is limited, and the overall supply of straight seam spiral welded pipes in the market has been affected. ...

  • 2018-05 30 2018-05
    This week, the environmental protection news of the straight seam spiral welded pipe market continues to be issued

    Beginning this week, environmental news of the LSAW market has been continuously issued, and environmental protection policies have been continuously upgraded. Environmental protection in Guangzhou and Guangxi limits production, and some companies have voluntarily stopped production inspections; Xuzhou has been severely environmentally friendly in history; Changzhou will be in May ...

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