Pipeline Coating

API 5L/5CT Flange Welded HDPE Steel Pipe

API 5L/5CT Flange Welded HDPE Steel Pipe
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Product Details

Welded flanges at both ends of the steel tube, this kind of steel tube adopts the flow impregnation process to evenly and firmly coat the inner and outer walls of the steel tube with low-density polyethylene powder, which greatly enhances the mechanical strength and anti-corrosion performance.HDPE coating has a strong bonding force with the blank tube, which will not peel off under external pressure, and can also be bent and processed at room temperature. During installation, sealing pads should be installed between the two flanges of the coated composite pipe, and the bolts can be pressed tight.The external temperature is -40℃-90℃, and the water transfer temperature is -30℃-80℃. The API 5L/5CT flange welded HDPE steel pipe is a type of jacketed, spray applied polyurethane foam insulated piping system for below ground oil and gas distribution.  The polyurethane system with foaming provides maximum thermal efficiency to optimum performance of cryogenic and very low heat conductivity coefficient.

 

SPECIFICATION  

ERW/LSAW: Ф25-Ф630mm,length: 6m or as customer's requirement.

SSAW:Ф219mm-Ф3620mm, length:12m or as customer's requirement.

SMLS : 10.3-1020mm * 2mm-40mm(1/4”- 40”)

WT: 1.24mm - 60mm (SCH10-SCH160)

Minimum wall thickness of the PE pipe: 3- 15.6mm

 

MATERIAL

Carrier pipe (Inner pipe) can be:

API 5L Gr. B X42/ X46/ X52/ X56/ X60.

APL 5CT J55/ K55/ N80/ L80/ C90/ P110

(Other material manufactured by Customer’s Demand)

 

HDPE Casing pipe can be:

Outside casing pipe is manufactured from high-density Polyurethane with added antioxidants, UV stabilizers and carbon black. Internal surface of PE pipes is processed with Corona treatment in order to achieve better adhesion with PUR foam.

 

We supply and manufacture API 5L/5CT flange welded HDPE steel pipe which specified delivery conditions and final customer specifications for companies in the machinery, construction, chemical, mining, food, railway and communications, energy and petrochemical, shipbuilding, pharmaceutical, aerospace, plastics and other industries. Special sizes of steel pipes and delivery issues can be further negotiated and we provide a wide range of solutions for purchasing departments to select alternative grades without specifying product specifications.


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