+852 5128 3422, +86 139 2463 9710 Robert.Sterling@irl.com.hk
What We Do
IRL has 90,000 sqft of factory space dedicated to:
Rotational polyethylene lining of carbon steel pipes and pressure vessels by our patented rotational lining process
Fabrication of carbon steel pipe and pressure vessels to American Bureau of Shipping (ABS), ASME IX and AWS D1.1 Codes
Pipe refurbishment where we turn your old pipes into better than the original pipes for about 50% of the price of renewal.
PE Coated Steel Pipe – ABS Approved Welding Procedures!
Polyethylene (PE) coated pipes are suitable for applications where moisture barrier properties are important and that’s why PE coated steel pipe is used in ships. In simple words, PE coating seals the package and can be one-sided or two-sided. There are three types of PE coating popular these days: LDPE, LDPE Super Seal, and HDPE. From all the three types, HDPE has a higher temperature limit and can withstand abrasion better.
What is PE Coated Steel Pipe?
Polyethylene or PE is a thermoplastic polymer with variable crystalline structure and used in a wide variety of applications. It is one of the most common and popular plastics in the world and categorized into one of several major compounds of which the most common include LDPE, LLDPE, HDPE, and MDPE.
Why Choose PE Coated Steel Pipe?
As the different ship and marine engineering have a dedicated system, it is imperative to maintain it to increase the life of the vessel. The PE coated steel pipe gives:
  • Unmatched seal-ability
  • When one-sided coated, outstanding moisture barrier from inside.
  • When two-sides coated, an amazing barrier from both sides.
  • Excellent bearing properties and corrosion resistance.
  • Smooth surface and long lifespan
Why Choose Us?
Irwin Marine Group works for the complete satisfaction of its customers and provides robust solutions to meet their simple to complex requirements. Ship and marine engineering need roughly three type of steel pipe; steel pipe in the conventional system, constructed with steel pipes, and special purpose steel pipes. We have our own ABS approved welding procedure and use high-quality shipbuilding steel, pipes, and pipe fittings.

We understand the unique requirements and work accordingly to provide the unmatched quality when it comes to PE coated steel pipe in China and Hong Kong. We can provide the same quality even it is a short notice job.

Why Polyethylene Pipe Coating for Unmatched Protection?
When it comes to a perfect pipe solution, Polyethylene Pipe Coating offers unmatched protection against corrosion as it consists of a seamless 3-6mm layer of PE lined to the interior of the pipe. Think the pipe is the mold and we build a PE pipe inside of the steel pipe. The big difference between a mold and your pipe is that our engineered powder securely bonds to the metal substrate.
PE Lining by Rotational Lining
The transportation of corrosive or abrasive materials in the concerned markets can lead to internal corrosion in pipelines that may further cause leaks and pipeline failure. Replacing the entire pipelines can be extremely costly and time-consuming, but it can be avoided by internal polyethylene pipe coating via a rotational lining process.

Rotational lining offers protection to the pipes from many forms of corrosion and we have developed our technologies to line small or large and simplest to the most complex structure. The lining is formed by rotational lining technology only and not another type of lining such as loose liner formed by extrusion lining.

Why Rotational Lining?
  • Regardless of the structure, a uniform thermoplastic layer for the interior of vessels is formed.
  • Even the large structure can be lined seamlessly without stressing the thermoplastic liner.
  • A bonded interior liner without the use of adhesives and access interior parts.
  • A PE liner consists of a uniform layer of PE bonded to the substrate for corrosion protection.
  • A cost-effective solution for Sulfuric Acid corrosion protection in SOX scrubbers.
  • It offers better impact strength and crack resistance as compared to other methods like PE FRP.
  • Virtually any size piece and geometry can be rotationally molded.
What does polyethylene pipe coating mean?
A polyethylene coating is composed of three-layer anti-corrosive steel pipe coatings:
  • Layer 1: This layer consists of fusion Bonded Epoxy which offers corrosion protection as it has a very good bonding with the blasted steel surface.
  • Layer 2: This layer is the copolymer adhesive which is a maleic anhydride grafted polyethylene compound.
  • Layer 3: This layer consists of a Polyethylene which is used as a protection against any physical damage.
The external layer is provided for corrosion resistance, electrical resistance, and chemical resistance while the internal layer offers low frictional resistance which prevents encrustation.
Irwin Marine Group is a pioneer in Polyethylene Pipe Coating and produces various types of cost-effective anti-corrosion coatings to meet the requirements of different applications for our clients in China and Hong Kong.
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