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DIN306703LPECoatedAPI5LLSAWSteelPipe
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DIN30670 3LPE Coated API 5L LSAW Steel Pipe

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DIN30670 3LPE Coated API 5L LSAW Steel Pipe combines the high mechanical strength of LSAW steel pipes with the superior corrosion protection of a Three-Layer Polyethylene (3LPE) coating system compliant with the German standard DIN30670.

Designed for buried or submerged applications, these pipes offer exceptional resistance to mechanical damage, chemical corrosion, and environmental stress. The integration of API 5L specifications ensures that the base steel meets rigorous global standards for line pipe performance, making it an ideal choice for critical infrastructure projects requiring durability and a service life exceeding 50 years

JCOE LSAW Steel Pipe 3pe Anti-Corrosion Production Lines

Products Description

 

Product

DIN30670 3LPE Coated API 5L LSAW Steel Pipe

Standard

API 5L PSL1, PSL2

Grade

B, X42, X46, X52, X56, X60, X65, X70

Manufacturing method

Longitudinal Submerged Arc Welding, JCOE forming

Range

OD 406~1620mm, Thickness 8~50mm

Coating

3LPE per DIN30670

Ends

Bevel or Plain

Applications

Oil/Gas/Water piping line, Stucture, Piling...

 

manufacturing for LSAW steel pipe

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Manufacturing for 3LPE coating

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Surface Preparation:‌ Steel pipe surfaces are blasted to Sa2.5 grade to remove rust, oil, and mill scale.

Heating:‌ Pipes are heated via medium-frequency induction to 220-240°C.

Coating Application:

FBE powder is electrostatically sprayed and fused onto the hot surface.

Copolymer adhesive is extruded over the FBE layer.

HDPE is extruded over the adhesive layer.

Cooling & Inspection:‌ Pipes are water-cooled and subjected to rigorous testing, including holiday detection (spark test), thickness measurement, bend tests, and cathodic disbondment tests.

 

Applications

DIN30670 3LPE Coated API 5L LSAW Steel Pipe is widely utilized in demanding industrial sectors:

Oil & Gas Transmission:‌ Long-distance pipelines for crude oil, refined products, and natural gas.

Water Infrastructure:‌ Large-diameter water transmission mains, sewage disposal lines, and desalination plant outfalls.

Thermal Power:‌ Heating pipelines and cooling water systems.

Offshore & Onshore Projects:‌ Suitable for both buried land pipelines and submerged offshore installations.

 

quality control

DIN30670 3LPE Coated API 5L LSAW Steel Pipe undergoes strict quality control per Standard requirements
* Hydrostatic Pressure Testing
* Non-Destructive Testing (X-Ray, Ultrasonic)

* Chemical composition test
* Mechanical Property Testing
* Dimension & Visual Inspection
* Full Traceability (Mill Test Certificates 3.1 provided)

 

why us

* High quality assured & Fast delivery.
* Rich experiences(23 years) in Technics/Production/Post-sales.
* Technical & full set of documents support (API 5L, ISO, MTC, ITP &MPS .etc)

 

shipment

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