ERW 3PE steel pipe external coating

Ref Price:: $620.00 / m.t.

Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 100m.t. m.t.

Supply Capability:: 40000m.t. m.t./month

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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 used for marine applications?: Yes, steel pipes can be used for marine applications.

Q: What are the different types of steel pipe joints for underwater applications?: Some different types of steel pipe joints for underwater applications include flanged joints, welded joints, and mechanical joints. Flanged joints involve connecting pipes by bolting together flanges at the ends. Welded joints are created by fusing the ends of pipes together using heat and pressure. Mechanical joints use couplings or connectors to join pipes together, typically with rubber seals to ensure a watertight connection.

Q: Can steel pipes be used for underground cable ducting?: Underground cable ducting can utilize steel pipes, as they possess durability and strength. Due to their robustness, steel pipes commonly serve as a protective casing for cables, warding off potential harm from external factors like moisture, pressure, and environmental elements. Moreover, steel pipes exhibit resistance to corrosion, rendering them suitable for extended underground use. In addition, their ability to withstand heavy loads deems them ideal for areas where cables may face high pressure or weight. Nevertheless, before selecting steel pipes for underground cable ducting, it is vital to take into account soil conditions, installation requirements, and the specific needs of the cable system.

Q: What are the common materials used for pipe fittings in steel pipes?: The common materials used for pipe fittings in steel pipes are carbon steel, stainless steel, and ductile iron.

Q: How are steel pipes sized and classified?: The primary criteria for sizing and categorizing steel pipes are their outer diameter (OD) and wall thickness. This standardization ensures compatibility and ease of use across different applications. The common approach to sizing steel pipes is through nominal pipe size (NPS), a North American standard that refers to a pipe's OD. NPS sizes span from 1/8 inch to 36 inches, with each size corresponding to a specific OD. For instance, a 1/2-inch NPS pipe has an OD of 0.84 inches, while a 12-inch NPS pipe has an OD of 12.75 inches. It's important to note that the pipe's OD may not precisely match its actual measurement due to historical dimensions. Moreover, steel pipes are categorized into various schedules, which indicate the wall thickness. The most common schedules are SCH 5, SCH 10, SCH 40, SCH 80, and SCH 160, with higher numbers representing thicker walls. These schedules are standardized and aid in selecting the appropriate pipe for specific applications. Additionally, steel pipes can be further classified based on their end connections. The typical types include threaded, plain-end, and socket-weld connections. Threaded pipes possess screw threads on both ends, facilitating easy assembly and disassembly. Plain-end pipes lack threads and are typically joined using welding techniques. Socket-weld pipes have a socket-like end that enables welding with a corresponding fitting. In conclusion, steel pipes undergo sizing and classification based on their outer diameter, wall thickness, and end connections. The nominal pipe size (NPS) denotes the outer diameter, while the schedule number represents the wall thickness. Understanding the sizing and classification of steel pipes is crucial when selecting the appropriate pipe for specific applications in industries like construction, oil and gas, plumbing, and manufacturing.

Q: What is the role of steel pipes in sewage systems?: Steel pipes play a crucial role in sewage systems as they are used to transport wastewater and sewage from various sources to treatment plants or disposal areas. Their strength, durability, and resistance to corrosion make them ideal for handling the often harsh and corrosive nature of sewage. Additionally, steel pipes can withstand high pressures and provide a reliable and long-lasting solution for sewage transportation, ensuring the efficient and safe functioning of sewage systems.

Q: What are the different types of coatings applied to steel pipes?: There are several types of coatings that can be applied to steel pipes. Some common ones include fusion-bonded epoxy (FBE) coating, polyethylene (PE) coating, polypropylene (PP) coating, and zinc coating. These coatings serve various purposes such as corrosion protection, insulation, and enhancing the pipe's durability.

Q: Are steel pipes suitable for use in pharmaceutical industries?: Yes, steel pipes are suitable for use in pharmaceutical industries. They are commonly used in pharmaceutical manufacturing processes as they offer excellent corrosion resistance, durability, and cleanliness. Additionally, steel pipes can withstand high pressure and temperature conditions required for sterilization and the transportation of various pharmaceutical liquids and gases.

Q: Are steel pipes suitable for underground sewage systems?: Indeed, underground sewage systems can be effectively served by steel pipes. Renowned for their robustness, longevity, and ability to resist corrosion, steel pipes emerge as the perfect selection for subterranean installations. By withstanding the immense pressure and weight of the soil above them, these pipes guarantee the integrity of the sewage system. Furthermore, steel pipes boast an extended lifespan and exhibit exceptional resistance to extreme temperatures and environmental adversities, rendering them a dependable choice for subterranean purposes. Nevertheless, it is crucial to acknowledge that a suitable coating and insulation must be diligently applied to steel pipes to safeguard against corrosion and secure their longevity.

Q: What are the different types of coatings used on steel pipes?: There are several types of coatings that are commonly used on steel pipes to enhance their durability and protect them from corrosion. Some of the most common types of coatings include: 1. Fusion-Bonded Epoxy (FBE) Coating: This coating is applied to the steel pipe through a process of heating and melting the epoxy powder, which then fuses to the surface. FBE coatings provide excellent corrosion resistance and are commonly used in water pipelines and oil and gas industries. 2. Polyethylene (PE) Coating: PE coatings are applied to steel pipes using a similar process as FBE coatings. PE coatings provide a protective layer that is resistant to moisture, chemicals, and abrasion. They are commonly used in gas pipelines and underground water pipelines. 3. Polypropylene (PP) Coating: PP coatings are similar to PE coatings in terms of their application process and protective qualities. However, PP coatings offer enhanced resistance to higher temperatures, making them suitable for applications such as chemical processing plants and refineries. 4. Concrete Weight Coating (CWC): CWC is a special coating that involves applying a layer of concrete to the steel pipe. This coating provides additional weight to the pipe, making it more stable and resistant to buoyancy in underwater or submerged applications. 5. Zinc Coating: Zinc coatings, such as hot-dip galvanizing, involve immersing the steel pipe in a bath of molten zinc. This process creates a protective layer of zinc on the surface of the pipe, offering excellent corrosion resistance. Zinc coatings are commonly used in outdoor applications, such as fencing, guardrails, and water pipelines. 6. Bituminous Coating: Bituminous coatings involve applying a layer of bitumen or asphalt to the steel pipe. This coating provides excellent resistance to water and chemicals, making it suitable for underground pipelines and structures. These are just a few examples of the different types of coatings used on steel pipes. The choice of coating depends on factors such as the intended application, environmental conditions, and the level of corrosion resistance required.

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