Welded Type: SSAW
Grade: 10#, 20#, 45#, A53A, A53b, A106gr.a, A106gr.B
End: Plain End, Spigot & Socket Joint, Beveled, Cut Squ
End Protector: Plastic Pipe Caps
Standard: ASTM, GB, API, JIS, BS, DIN, Yb, Sny, etc
Third Party Inspection: SGS, BV or Others
Transport: by Container or Bulk Vessel
Transport Package: Standard Export Package
Specification: OD Size:219-3200mm Wall thickness (W.T.):5mm-60mm
Origin: China Tianjin
HS Code: 730419
Spiral Steel tube is a spiral seam steel pipe which is made of steel coiled coil as raw material, which is often heated and extruded, and welded by automatic double wire double-sided submerged arc welding process. We send the strip into the welded pipe unit, which is rolled by multiple rolls, and the strip is gradually rolled up to form a circular tube blank with an open gap. Then adjust the pressing amount of the pressing roller, so that the weld gap is controlled at 1~3mm, and the ends of the welding joint are flush, and finally a spiral steel pipe is formed.
|Carbon Steel pipe|
|LSAW Pipe||O.D 21.3~1524mm W.T 1-50mm|
|SSAW Pipe||O.D 219~3620mm W.T 5~30mm|
|ERW pipe||O.D 60~508mm W.T 4~35mm|
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|Product name||Standards & Steel Grade|
|Line Pipe||API 5L PSL1/PSL2,GR.B/X42/X46/X52/X56/X60/X65/X70|
|Low Pressure Fluid Conveying Pipe||GB/T3019 Q195/Q215/Q235/Q275/Q295/
Q345,IS 3589 Fe330/Fe410/Fe450
|Structural Pipe||EN10219 S235JRH/S275JOH/S275J2H/S355JOH/S355J2H
EN10217,ASTM A53 GR.A/B/C,ASTM A252 GR.1/2/3
ASTM A572 GR.42/50/55/60/65,JIS A5525 SKK400/SKK490
|Dimensions: OD: 406mm~1626mm, WT:6mm~75mm|
|Ends: Square Ends(straight cut, saw cut), Beveled End|
|STANDARD||ASTM, GB, API, JIS, BS, DIN, YB, SNY, etc|
|Q235, Q195, Q345, Q215, API 5L Gr.B,Gr.65,Gr.60,Gr.70,|
|SPECIFICATION||Outer diameter: 219mm-3620mm|
|Wall thickness: 2.5mm-30mm|
|Length: 6m-12m or as requested|
|SEAM||SAW(Spiral welded),SSAW(Spiral submerged-arc welded),HSAW,(Helical Submerged Arc|
|Welded), ERW, JCOE, LSAW, UOE|
|SURFACE||Black painted, PE/PVC/PP coated, Galvanized, color coated, anti rust varnished,|
|anti rust oiled, checkered, epoxy coating, etc.|
|END||plain end, spigot & socket joint, beveled, cut square, flanged, piling shoes|
|END PROTECTOR||1) Plastic pipe cap|
|2) Iron protector|
|PACKAGE||Standard export package, suit for all kinds of transport or as required.|
|PRICE TERM||EXW, FOB, CFR, CIF, etc.|
|PAYMENT TERM||T/T, L/C at sight, etc.|
|APPLICATION||1) General service for industries ( petroleum, chemical, aviation, etc.)|
|2) Fluid, gas and oil transport,|
|3) Press and heat transmission,|
|4) City construction, etc.|
Main process features:
1. During the forming process, the steel plate is deformed evenly, the residual stress is small, and the surface is not scratched. Processed spiral steel pipes offer greater flexibility in terms of size and wall thickness specifications. This kind of process has the advantages that other processes can’t match in the production of high-grade thick-walled pipes, especially small and medium-diameter thick-walled pipes, which can meet the users’ requirements for spiral steel pipe specifications.
2. It adopts advanced double-sided submerged arc welding technology to achieve welding at the best position, and it is not easy to have defects such as wrong side, welding deviation and incomplete penetration, so that it is easy to control the welding quality.
3. We carry out 100% quality inspection on steel pipes, so that the whole process of steel pipe production is under effective inspection and monitoring, which effectively guarantees product quality.
4. All the equipment of the whole production line has the function of networking with the computer data acquisition system, realizing the instantaneous transmission of data, and the technical parameters of the production process by the central control room.
The main purpose:
Spiral Steel tubes are mainly used in water supply engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction, etc.
|A||Experienced steel pipe products supplier:more than 30 years of manufacturing and selling experience in domestic ,13 years B2B experience in steel pipe field.|
|B||Alibaba golden supplier, BV inspected supplier, trade assurance supplier.|
|C||Factory recognized by CE/BV/ISO9001, ISO14001,OHSMS18000 and so on.|
|D||Our factory has been audited by customers all over the world, also our products was always inspected by the third inspection parties, such as SGS, BV etc.|
|E||Provide perfect after-sales service, be responsible for each problem encountered.|