ERW 2PE 3PE steel pipe external coating

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specifications

water pipeline inner-layer tape
1 Butyl rubber as adhesive
2. SGS test report and DVGW certificate
3. corrosion protection

water pipeline inner-layer tape

State-of-the-Art Pipeline Protection for All Climates & Environments

System description:

WATER PIPELINE Inner -layer tape also be called pipe wrap anti-corrosion tape, polyethylene wrap tape.

water pipeline Inner-layer tapeT100 is engineered to assure a high bond to the primed pipe surface with excellent conformability characteristics, aggressive adhesive for corrosion protection and repair of main line coatings.

Inner-layer tapeT100 series is cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Waterburied pipeline, pipe can be buried, also can be underground ,overhead ,onshore and offshore .

Structure of water pipeline inner wrap tape
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: butyl rubber
Film backing: Special blend of stabilized polyethylene

Features & Benefits

Provides a permanent bond to the primed steel pipes surface and provides protection against chemical electrolytic corrosion for underground pipelines.
long term corrosion protection
Worldwide reference lists. Established in-ground history
High chemical resistance under service temperature.
Outstanding electric property and permanent adhesion.
Cold applied, No release liner. Makes installation fast and easy.
Complies with EN-DIN 30672 and AWWAC-214 international standards and also ASTM standards.
Be used for water pipeline corrosion protection

System Properties

Type	T138	T 150		T165	T180	T 250	T265	T280
Thickness	15mil 0.38mm	20mil 0.508mm		25mil 0.635mm	30mil 0.762mm	20mil 0.508mm	25mil 0.635mm	30mil 0.762mm
Backing	9mil 0.229mm	9mil 0.241mm		10mil 0.25mm	10mil 0.25mm	15mil 0.38mm	20mil 0.508mm	25mil 0635mm
Adhesive	6mil 0.152mm	11mil 0.279mm		15mil 0.381mm	20mil 0.508mm	5mil 0.127mm	5mil 0.127mm	5mil 0.127mm
When used for ductile iron pipes inner layer 980-20 or 980-25 and outer layer 955-20 or 955-25 are recommended.
Elongation	³300%					³400%
Tensile Strength	55 N/cm					70 N/cm
Color	Black					White
Peel Adhesion to Primed Pipe			33 N/cm
Dielectric Strength			30 KV
Dielectric Breakdown			26 KV/mm
Cathodic Disbandment			0.24 in radius 6.4 mm
Water Vapor Transmission Rate			< 0.1%
Volume Resistivity			2.5 x 10¹⁵ ohm.cm
Impact resistance			5.5Nm
Penetration Resistance			<15%
Performance			AWWA C-209,ASTM D 1000,EN 12068

Order information

Length	100ft(30 M),200ft(60 M),400ft(120 M),800ft(240 M)
Width	2’’(50mm),4’’(100mm),6’’(150mm),17’(450mm),32’’(800mm)

Q: Can steel pipes be threaded?: Yes, steel pipes can be threaded. Threading is a common process used to create a screw-like pattern on the outer surface of the pipe, allowing it to be connected to other fittings or components. Threading can be done manually or with the help of machinery, depending on the size and requirements of the pipe.

Q: Can steel pipes be used for airport construction?: Yes, steel pipes can be used for airport construction. Steel pipes are commonly used in various construction projects due to their durability, strength, and resistance to corrosion. They are capable of withstanding heavy loads and are often used for underground drainage systems, water supply networks, and structural support in airport construction.

Q: What is the flexibility of steel pipes?: Steel pipes are known for their exceptional flexibility, making them highly versatile and suitable for a wide range of applications. The flexibility of steel pipes refers to their ability to bend and withstand various forms of stress without breaking or deforming. This flexibility is primarily due to the inherent properties of steel, such as its high tensile strength and ductility. Steel pipes can be bent and formed into different shapes without compromising their structural integrity. This allows for easier installation and routing around obstacles, making them more adaptable for complex plumbing or piping systems. Additionally, the flexibility of steel pipes enables them to withstand external forces, such as ground movements or temperature fluctuations, without experiencing significant damage. The flexibility of steel pipes also makes them suitable for applications that require dynamic movement or expansion. For instance, in oil and gas pipelines or in heating and cooling systems, where temperature variations can cause expansion and contraction, steel pipes are able to accommodate these changes without causing leaks or failures. Furthermore, the flexibility of steel pipes contributes to their durability and longevity. The ability to withstand bending and stress helps prevent the formation of cracks or fractures that can lead to leaks or structural failures. This characteristic makes steel pipes a reliable choice for demanding environments, including high-pressure systems or corrosive conditions. In summary, the flexibility of steel pipes is a crucial attribute that allows for easy installation, adaptability to various conditions, and long-term reliability. With their exceptional flexibility, steel pipes are widely preferred in numerous industries and applications where strength, durability, and versatility are essential.

Q: How are steel pipes used in the manufacturing of chemical processing equipment?: Steel pipes are commonly used in the manufacturing of chemical processing equipment due to their durability, resistance to corrosion, and ability to handle high-pressure and high-temperature conditions. These pipes are used to transport various chemicals, gases, and liquids within the equipment, ensuring safe and efficient operations. They are also utilized for the distribution of heat transfer fluids, such as steam or hot water, to maintain optimal temperatures during chemical reactions.

Q: How are steel pipes used in the manufacturing of chemical processing plants?: Steel pipes are commonly used in chemical processing plants for various purposes, such as transporting fluids and gases, as well as providing structural support. They are highly resistant to corrosion, making them ideal for handling corrosive materials in the plant. Additionally, steel pipes can withstand high temperatures and pressure, ensuring the safe and efficient operation of chemical processes.

Q: How are steel pipes protected against external mechanical damage?: Steel pipes are often protected against external mechanical damage through a variety of methods such as applying corrosion-resistant coatings, using protective sleeves or wraps, and implementing casing or encasement systems. These measures help to safeguard the pipes from potential physical harm caused by external factors like impact, abrasion, or heavy loads, thus ensuring their integrity and longevity.

Q: What are the advantages of using steel pipes in the manufacturing industry?: There are several advantages of using steel pipes in the manufacturing industry. Firstly, steel pipes are known for their high strength and durability, making them ideal for carrying heavy loads and withstanding harsh conditions. Secondly, steel pipes have excellent resistance to corrosion, reducing the risk of leaks and ensuring a longer lifespan. Additionally, steel pipes offer a wide range of sizes and shapes, allowing for flexibility in design and easy customization. Furthermore, steel pipes are cost-effective compared to other materials, as they require minimal maintenance and have a low risk of failure. Lastly, steel pipes are environmentally friendly, as they are fully recyclable and contribute to reducing carbon emissions during manufacturing. Overall, the advantages of using steel pipes in the manufacturing industry make them a reliable and efficient choice for various applications.

Q: Can steel pipes be used in marine environments?: Yes, steel pipes can be used in marine environments. Steel is a durable and strong material that can withstand the harsh conditions of the marine environment, including exposure to saltwater, waves, and corrosion. However, it is important to select the correct type of steel and apply suitable protective measures to prevent corrosion. Stainless steel and corrosion-resistant alloys are commonly used in marine applications as they have a high resistance to corrosion and can handle the constant exposure to saltwater. Additionally, coatings such as epoxy or zinc can be applied to further protect steel pipes from corrosion. Regular maintenance and inspections are also crucial to ensure the longevity and performance of steel pipes in marine environments.

Q: How are steel pipes manufactured?: Steel pipes are manufactured through a process called pipe manufacturing or pipe making, which involves various steps such as forming, welding, and finishing. The process starts with the procurement of raw materials, which are typically steel coils or sheets. These coils are then fed through a series of rollers to shape them into a cylindrical form. The edges of the coils are then welded together to create a continuous pipe. After welding, the pipes undergo various finishing processes such as sizing, straightening, and cutting to achieve the desired dimensions and specifications. Finally, the pipes are tested for quality assurance and may undergo additional treatments like galvanization or coating before being ready for use in different industries and applications.

Q: Can steel pipes be used for underground water wells?: Yes, steel pipes can be used for underground water wells. Steel pipes are commonly used for drilling water wells due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated and protected to prevent any contamination of the underground water source.

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