Three-layer polyethylene anticorrosion is one of the main anticorrosion technology systems of buried pipelines at home and abroad. It has good corrosion resistance, low water absorption and high mechanical strength. In recent years, it has been more and more widely used in buried water, gas and oil pipelines in China.

The base material of 3PE anti-corrosion steel pipe includes seamless steel pipe, spiral steel pipe and straight seam steel pipe. Three-layer polyethylene (3PE) anticorrosive coating has been widely used in the oil pipeline industry for its good corrosion resistance, water and gas permeability resistance and mechanical properties. 3PE anti-corrosion steel pipe anticorrosive layer for buried pipeline life is crucial, the same material of the pipeline, some buried in the ground for decades without corrosion, some years will leak. It's because they use a different coating.

Benefiting from the continuous rise of oil price and the increasingly good economy of Iraq, our company recently exported a batch of 3PE anticorrosive steel pipes, which were directly used in the oil projects in Iraq.

Implementation standard of 3PE anti-corrosion steel pipe: 

Din 30670-91 German Technical standard for polyethylene coating of steel pipes and fittings

CAN/CSA-Z245.21-M92 Canada Technical Standard for Polyethylene Anticorrosive coating on steel pipe Outer Wall

Anti-corrosion form of steel tube outer wall

3PE anticorrosion is generally composed of 3 layers:

The first layer of epoxy powder (FBE> 100 um)

The second layer of adhesive (AD) 170 ~ 250um

The third layer polyethylene (PE) is 1.8 ~ 3.7mm

In practice, the three materials will be mixed and integrated, and the steel pipe will be firmly combined to form an excellent anti-corrosion layer after processing. Its processing mode is generally divided into twining type and round die coating type two.

3PE anti-corrosion steel pipe coating is also (three layers of polyethylene anti-corrosion coating), is the 2PE anti-corrosion layer in Europe and North America widely used epoxy powder anti-corrosion steel pipe coating (FBE) cleverly combined and produced a new anti-corrosion steel pipe coating. It has been recognized and used worldwide for more than a decade.

The coating of 3PE anticorrosive steel pipe is epoxy powder anticorrosive coating which contacts the bottom layer with the steel pipe surface, and the middle layer is a copolymerizing adhesive with branch structure functional groups. The surface layer is high density polyethylene anti-corrosion coating.

Three PE anticorrosive coating combines the high impermeability and mechanical properties of epoxy resin and polyethylene materials. So far, it is recognized as the best pipe anticorrosive coating with the best performance in the world, so it has been applied in many projects.

3PE anti-corrosion advantages

Ordinary steel pipe in the use of harsh conditions, can appear serious corrosion, which will reduce the service life of steel pipe, anti-corrosion insulation pipe service life is longer, generally is 30 to 50 years or so, you can use and correct installation and use is also can make the network maintenance costs low, anti-corrosion insulation pipe also can set the alarm system, Automatic detection of pipe network leakage fault, accurate knowledge of the fault location and automatic alarm.

3 PE anticorrosion insulation pipe heat preservation performance is good, heat loss is only twenty-five percent of the traditional pipe, long running or can save more resources, significantly lower energy costs, and has the stronger ability of water resistant and corrosion resistant, and also do not need to attached pipe trench, can be directly buried underground or in the water, on the construction is simple and rapid The comprehensive cost is also relatively low, it also has good corrosion resistance and impact resistance under low temperature conditions, and it can also be directly buried into the frozen soil in a certain environment.

Are you looking for a reliable and long-lasting solution to protect your steel pipes from corrosion? Look no further than 3PE anti-corrosion steel pipes! These innovative pipes are designed with three layers of protective coatings to ensure maximum durability and resistance against corrosive elements. In this article, we will explore the features of 3PE anti-corrosion steel pipes and why they are the ideal choice for various industries. Let's dive in!

TPEP anticorrosive steel pipe

TPEP anticorrosive steel pipe, also known as three-layer extruded polyethylene coating steel pipes, is a type of anti-corrosion coating that has become increasingly popular in recent years. This innovative technology involves the use of an adhesive layer, a middle layer of polyethylene, and an outer protective layer to protect against corrosion.

The TPEP anticorrosive steel pipe coating technology ensures long-term protection against rust and corrosion. It can withstand harsh environments such as saltwater exposure or chemical attacks. Additionally, it has excellent impact resistance and abrasion properties.

One of the key benefits of TPEP anticorrosive steel pipes is their ability to reduce maintenance costs over time. They require less frequent repairs compared to other types of coatings that are prone to cracking or peeling off after prolonged use.

These pipes are used in various industries such as oil and gas, water treatment plants, construction, and transportation. The durability and reliability offered by TPEP anticorrosive steel pipes make them a cost-effective solution for companies looking for long-lasting anti-corrosion protection.

In summary, TPEP anticorrosive steel pipe technology offers superior performance when it comes to protecting pipelines from degradation caused by environmental factors such as moisture or chemicals. Its unique triple-layer design provides extended service life at reduced maintenance costs while ensuring maximum safety in critical applications.

What is 3PE anti-corrosion steel pipe?

3PE anti-corrosion steel pipe is a type of pipeline coating that provides three layers of protection to the steel pipe. The acronym "3PE" stands for "three-layer polyethylene," which refers to the three layers of protective coating applied to the surface of the steel pipe.

The first layer of 3PE coating is a high-performance fusion-bonded epoxy (FBE) primer, which serves as an initial barrier against corrosion and abrasion. The second layer consists of a copolymer adhesive, which helps to bond the FBE primer with the third layer. The third layer consists of a polyethylene topcoat that offers excellent resistance against chemicals, moisture, and UV radiation.

This combination makes 3PE anti-corrosion pipes highly resistant to various forms of corrosion such as pitting corrosion and cathodic disbondment. Additionally, it has good mechanical properties such as impact resistance and adhesion strength.

Overall, 3PE anti-corrosion steel pipes are widely used in industries like oil and gas pipelines or water supply systems due to their superior corrosion resistance properties compared to other types of coatings available in today's market.

The process of 3PE anti-corrosion steel pipe

The process of 3PE anti-corrosion steel pipe involves three main steps: surface preparation, coating application, and curing.

In the first step, surface preparation, the steel pipe is thoroughly cleaned to remove any dirt, rust or other contaminants that could affect the performance of the coating. This is critical since any residue left on the surface can cause adhesion failure or corrosion under the coating.

Once clean and dry, a layer of epoxy primer is applied to provide adhesion between the steel substrate and subsequent layers. The primer creates a barrier against moisture that would otherwise penetrate through to trigger corrosion.

The second step involves applying two layers of high-density polyethylene (HDPE) using a specialized extrusion method called co-extrusion. This technique ensures uniform thickness while reducing material waste.

In the third stage - curing - heat treatment initiates cross-linking within each layer's polymer matrix to form tough chemical bonds that resist both mechanical damage and corrosive agents' penetration.

This multi-step process delivers superior quality coatings compared to single-layered alternatives by providing robust protection against various types of corrosives such as chemicals or seawater environments while also improving longevity even in harsh conditions.

Features of 3PE anti-corrosion steel pipe

The 3PE anti-corrosion steel pipe is a popular choice in the oil and gas industry due to its exceptional features. One of the main advantages of this pipe is its resistance to corrosion, which makes it ideal for use in harsh environments.

This type of steel pipe consists of three layers: an epoxy layer, an adhesive layer, and a polyethylene layer. The epoxy coating provides excellent adhesion properties and prevents corrosion from reaching the underlying metal surface. The adhesive layer helps to bond the epoxy coating to the surface of the steel, while the polyethylene outer layer provides protection against mechanical damage.

Another feature that sets 3PE anti-corrosion steel pipes apart is their high durability and long service life. These pipes can withstand extreme temperatures ranging from -40°C to 80°C without any significant impact on their performance.

Furthermore, these pipes are lightweight yet sturdy enough to withstand heavy loads.\ They also have a smooth inner wall surface that allows for easy flow of fluids or gases with minimal frictional loss.

These features make 3PE anti-corrosion steel pipes an ideal choice for various applications such as pipelines used in oil & gas transportation, water supply systems and chemical industries among others.

Application of 3PE anti-corrosion steel pipe

The application of 3PE anti-corrosion steel pipe is vast and diverse. Its unique properties make it an ideal choice for a wide range of industries, including oil and gas, water supply, sewage treatment plants, chemical plants, and more.

In the oil and gas industry, 3PE anti-corrosion steel pipes are used to transport crude oil, natural gas liquids (NGLs), refined products such as gasoline or diesel fuel from production sites to refineries or distribution centers. The coating on these pipes acts as a barrier against corrosion caused by soil moisture and other environmental factors.

Water supply pipelines also benefit from 3PE anti-corrosion coatings. These pipes help prevent leaks caused by corrosion which can result in loss of precious water resources. Sewage treatment plants use them to ensure that effluent discharge systems remain uncorroded while chemical facilities appreciate the added protection against harmful chemicals.

The application of this type of pipe has helped many industries reduce costs associated with corrosion damage while increasing safety levels through its durable material traits that stand up under harsh conditions.

Why choose us?

At our company, we take pride in providing high-quality 3PE anti-corrosion steel pipes to our customers. We understand the importance of corrosion prevention in various industries including oil and gas, water supply, and construction. That's why we have developed an extensive range of products that meet international quality standards.

Our team consists of experienced professionals who are knowledgeable about the latest industry trends and technologies. They work tirelessly to ensure that our products maintain their structural integrity even under harsh environmental conditions.

We prioritize customer satisfaction above everything else. Our excellent customer service ensures that all your queries are answered promptly. We also provide customized solutions based on your specific requirements.

In addition to supplying top-notch 3PE anti-corrosion steel pipes, we offer competitive pricing without compromising on quality or service delivery. Our aim is to build long-term relationships with our clients through reliability, professionalism, and trustworthiness.

Choose us for superior quality 3PE anti-corrosion steel pipes delivered on time at affordable prices backed by exceptional customer service you can rely on!

Our products

Our products are top-quality and reliable when it comes to 3PE anti-corrosion steel pipes. We offer a wide range of options that cater to the diverse needs of our clients. Our team ensures that all products meet industry standards and pass rigorous quality checks before they reach your doorstep.

One of our popular products is the epoxy resin powder coated 3PE anti-corrosion steel pipe. The epoxy coating provides an increased level of protection against atmospheric corrosion, ensuring longevity and durability in harsh environments. Another product we offer is the polyethylene (PE) coated 3PE anti-corrosion steel pipe which provides superior resistance to chemical corrosion, making it ideal for use in highly corrosive applications.

Our three-layered external coating system also includes an adhesive layer that promotes bonding between the inner layer, outer layer, and substrate material resulting in excellent adhesion properties.

At our facility, we employ state-of-the-art technology and production methods to ensure consistency across batches with no compromise on quality. Our knowledgeable sales team also offers technical support throughout every stage from product selection through installation.

We take pride in providing exceptional customer service along with high-quality products at competitive prices. Contact us today for more information or to place an order!

Contact Us

If you're interested in purchasing high-quality 3PE anti-corrosion steel pipes, don't hesitate to contact us! We are committed to providing our customers with the best products and services possible. Our team of experts is always available to answer any questions or concerns you may have regarding our products.

We take pride in offering top-of-the-line 3PE anti-corrosion steel pipes that meet industry standards and exceed customer expectations. With years of experience in the business, we guarantee satisfaction with every purchase.

So, what are you waiting for? Contact us today via phone or email, and let's get started on your project together!

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