Company Details

  • Unisite Group Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Mark: Middle East , West Europe , Americas , Asia , East Europe , Europe , North Europe , Oceania , Worldwide
  • Exporter:91% - 100%
  • Certs:ISO9001
  • Description:Piling Steel Pipe,Customized Piling Steel Pipes,Piling Steel Pipe Design
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Unisite Group Ltd.

Piling Steel Pipe,Customized Piling Steel Pipes,Piling Steel Pipe Design

Home > Products > Piling Pipe > Customized piling steel pipes

Customized piling steel pipes

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    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 10 Piece/Pieces
    Delivery Time: 30 Days

Basic Info

Model No.: USA-163

Dimension: As Per Drawing/order

Piling Steel Pipe: Customized Piling Steel Pipes

Thickness: 5-60mm

Grade: X42-X80, L245-L255 Or Other Materials

Standard: API, BS, GB/T

Certificate: API BV ASME

Application: Marine Piling

Shape: Round

Surface: As Per Order, Can Be Done Highest Quality Painting

OD: 219-5000mm

Additional Info

Packaging: bulk package and bulk vessel transportation frame container package and frame container transportation

Brand: UniSite

Transportation: Ocean,Land

Place of Origin: china mainland(zhejiang)

Certificate: API/BV/ASME

Product Description

In recent years, the offshore deepwater wharf project in domestic coastal have also been large-scale construction, as a main bearing capacity of pile foundation deep-water wharf, generally used spiral seam of large diameter Steel Pipe piles [1];In addition, such as Bridges, roads, high-rise buildings are piling tube.Customized piling steel pipes

Manufacturing Method
Spiral steel pipe is a strip coil as raw material, often warm extrusion molding, automatic double wire double buried arc welding process of welding and the spiral seam pipe.
(1) raw material that is strip coil, welding wire, flux. Have to go through strict physical and chemical tests before they are put into the investment.
(2) strip head and tail docking, using single or double wire submerged arc welding, the steel tube rolled by automatic submerged arc welding welding.
(3) before molding, the strip passes through the leveling, trimming, planing, surface cleaning and conveying, and bending and handling.

(4) using the electric contact pressure gauge to control the pressure of the cylinder on both sides of the conveyor, to ensure the smooth delivery of the strip.
(5) the external control or internal control roll forming.
(6) using the welding gap control device to ensure that the weld gap to meet the requirements of welding, pipe diameter, the wrong side of the amount and the weld gap are strictly controlled.
(7) welding and welding with the Lincoln Electric welding machine for single or double wire submerged arc welding, so as to obtain the stable welding specification.
(8) the welding seam after welding is through the online continuous ultrasonic automatic inspection, to ensure that 100% of the spiral weld nondestructive testing coverage rate. If there are defects, automatic alarm and spraying marks, the production workers at any time to adjust the process parameters, timely elimination of defects.
(9) the air plasma cutting machine to cut a single pipe.
(10) into a single tube, each batch of steel tube head to strict inspection system first, check the weld mechanical properties, chemical composition, blending, surface quality of steel pipe and after nondestructive inspection, to ensure that the pipe manufacturing technology qualified, can be formally put into production.
(11) in the weld on the site of continuous acoustic inspection marks, after manual ultrasound and X ray review, if there are defects, after repair, once again after the non destructive testing, until the defects have been eliminated.
(12) strip butt weld and intersecting and spiral seam D connector tube, all through X ray TV or film examination.
(13) each pipe is tested by hydrostatic pressure, and the pressure is sealed by radial seal. The test pressure and time are strictly controlled by the steel pipe water pressure computer testing device. Automatic print record of test parameters.
(14) the pipe end machining, the end verticality, accurate control of slope angle and blunt edge.

Our products all over the world:

1. 2005 Palm island construction in Dubai: the large quantities of dredging pipeline including sink pipes, shore pipes with flanges and pontoons

2. 2005 Waterways dredging projects : the large quantities of pipeline, connected pontoons.

3. 2006 Waterways dredging projects: the large quantities of pipeline, connected pontoons.

4. 2007 Waterways dredging projects: the large quantities of pipeline, including sink pipes, shore pipes with flanges and pontoons.

5. 2008 Waterways dredging projects: the large quantities of pipeline, connected pontoons, floating pipelines and bends.

6. 2008 Capital dredging for a third berth at Anderson point in port Hedland in Australian: the large quantities of lsaw pipes

7. 2009 Waterways dredging projects: the large quantities of pipeline, connected pontoons and bends.

8. 2010 Environmental works:pontoon for work platform and pipes


and till now, above just a little projects we involved in.


BV Manufactuer capability steel pontoonfloating pontoon

Photos of our Customized piling steel pipes

Customized Piling Steel Pipes Piling Steel Pipe Design for sale Piling Steel Pipe Design Piling Steel Pipe

How to contact us?

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Looking for ideal Piling Steel Pipe Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Customized Piling Steel Pipes are quality guaranteed. We are China Origin Factory of Piling Steel Pipe Design. If you have any question, please feel free to contact us.

Product Categories : Piling Pipe

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