Company Details

  • Cangzhou Zhongshun Steel Pipe Trade Co., Ltd.

  •  [Hebei,China]
  • Business Type:Manufacturer , Organization , Service
  • Main Mark: Worldwide
  • Exporter:91% - 100%
  • Certs:GS, CE, ACS, COS, ISO9001
  • Description:Ssaw Steel Pipe,Welded Steel Tube,Black Steel Pipe ,Galvanised Steel Tube
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Cangzhou Zhongshun Steel Pipe Trade Co., Ltd.

Ssaw Steel Pipe,Welded Steel Tube,Black Steel Pipe ,Galvanised Steel Tube

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SSAW Steel Pipe

Product categories of SSAW Steel Pipe, we are specialized manufacturers from China, Ssaw Steel Pipe, Welded Steel Tube suppliers/factory, wholesale high-quality products of Black Steel Pipe R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
China SSAW Steel Pipe Suppliers

Spiral submerged arc (SSAW) is its forward direction and forming tube centerline hose reel molding angle (adjustable), side molding edge welding and weld them into a spiral, the advantage of the same specification to produce a variety of diameter sizes Steel Pipe, raw materials to adapt to a wider range, the weld can avoid the main stress force better, the disadvantage is the poor geometry of the weld length compared to the long straight seam pipe, prone to cracking, porosity, slag, welding partial welding defects such as welding stress was tensile stress state. General Oil And Gas Pipeline design specification spiral submerged arc can only be used for Class 3, Class 4 regional. Raw materials instead will this process improvement abroad steel plate forming and welding separate pre-weld and lean and, after welding cold flaring near UOE pipe welding quality, currently no such process of plant improvement direction. [West-East" still is a traditional craft production, just expanded diameter of the pipe end. United States, Japan and Germany, the overall negative SSAW, think the mainline unfit for use SSAW; Canada and Italy part SSAW Russian small amount of SSAW, and have developed a very strict supplementary conditions, due to historical reasons, the majority of the domestic main trunk or use SSAW.



In High Frequency Induction (HFI) Welded Pipe production process, hot rolled steel coils are fed with a high capacity accumulator in order to achieve continuous welding. LSAW (LSAW) in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production. A wide range of the finished product specifications, weld toughness, ductility, uniformity and dense, with a large diameter, wall thickness, high pressure resistance, low-temperature corrosion resistance, etc.. Required steel pipe in the construction of high-strength, high toughness, high-quality long-distance oil and gas pipelines, mostly large diameter thick wall LSAW.


API standard provisions, in the large-scale oil and gas pipelines, when 1, Class 2 areas through the alpine zone, the bottom of the sea, the city densely populated area, LSAW only applied specifically casts. Molding can be divided into:


UOE: leaflets steel plate after the edge preflex, after U molding, O forming within welding, the outer welding, mechanical cold expanded diameter process;


JCOE: Press [JCOE" pre-welding, forming, welding after cold expanded diameter process;


HME: [CCO" forming mandrel rolling method, after the welding process by the cold expanded diameter.


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