3 Layers PP Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Specifications of 3 Layers PP Steel Pipe,
3L PP coated steel pipe ,1st layer is Fusion Bonded Epoxy,2nd layer is Polymer Adhesive ,3rd layer is Polypropylene.
|
order |
item |
performance |
test method. | |
|
2PE |
3PE | |||
|
1 |
peeling strength （N/cm）20±5℃ 50±5℃ |
≥35 ≥25 |
≥60 ≥40 |
DIN30670 |
|
2 |
cathodic disbanding(mm) (65℃,48h) |
≤15 |
≤10 |
SY/T4013 |
|
3 |
impact strength (J/mm) |
≥8 |
DIN30670 | |
|
4 |
bending resistant (2.5°) |
No cracking of polyethylene |
SY/T4013 | |
|
5 |
Pinhole (25kv) |
No leak |
DIN30670 | |
Standard: ASTM A106 ASME SA106
Grade:A B C
OD:21.3 - 406.4mm (1/2-16 inch)
WT:2-30mm
End:PE or Beveled
Chemical composition
|
Standard |
Grade |
Chemical composition(%) |
Mechanical Properties | |||||||||
|
C |
Si |
Mn |
PS |
Cr |
Mo |
Ni |
Cu |
V |
MPa |
| ||
|
ASTM A106 |
A |
≤0.025 |
≥ 0.10 |
0.27-0.93 |
≤0.35 |
≤0.04 |
≤0.15 |
≤0.04 |
≤0.04 |
≤0.08 |
≥ 330 |
≥ 205 |
|
B |
≤0.30 |
≥0.10
|
0.29-1.06 |
≤0.35 |
≤0.04 |
≤0.15 |
≤0.04 |
≤0.04 |
≤0.08 |
≥ 415 |
≥ 240 | |
|
C |
≤0.35 |
≥ 0.10 |
0.29-1.06 |
≤0.35 |
≤0.04 |
≤0.15 |
≤0.04 |
≤0.04 |
≤0.08 |
≥ 485 |
≥ 275 | |
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Welcome to order 3 Layers PP Steel Pipe from us.
- Q: How do steel pipes handle ground settlement?
- Steel pipes are generally robust and durable, making them well-suited for handling ground settlement. The flexibility and strength of steel allow the pipes to withstand the shifting and settling of the ground without significant damage. Steel pipes have a high resistance to deformation, which means they can maintain their shape and structural integrity even when the ground settles or moves. When the ground settles, steel pipes can accommodate the movement by flexing and bending slightly. This flexibility allows them to adjust to changes in the ground without breaking or cracking. Additionally, steel pipes are often designed with joints that can absorb and distribute stress caused by ground settlement. Furthermore, steel pipes have a smooth interior surface that minimizes friction and resistance to the flow of materials. This feature is particularly important when the ground settles because it reduces the likelihood of clogs or blockages due to debris or sediment settling in the pipes. In summary, steel pipes are well-equipped to handle ground settlement due to their strength, flexibility, and resistance to deformation. They can adapt to the movement of the ground without compromising their structural integrity, making them a reliable choice for various applications, including underground infrastructure and pipeline systems.
- Q: What is the dimensional stability of steel pipes?
- The dimensional stability of steel pipes refers to their ability to retain their shape and dimensions under various conditions and external forces. Steel pipes are known for their excellent dimensional stability due to the inherent properties of the material. Steel is a strong and rigid material, which allows it to maintain its shape even under high pressure or changes in temperature. This makes steel pipes highly suitable for applications that require stability and resistance to deformation, such as in plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, steel pipes also exhibit dimensional stability due to their manufacturing processes. Steel pipes are typically produced through methods like seamless or welded construction, which ensures their uniformity and consistent dimensions throughout the length of the pipe. This manufacturing precision contributes to the dimensional stability of steel pipes. Moreover, steel pipes are often treated with various protective coatings to enhance their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only protect against corrosion but also help maintain the dimensional stability of the pipes by providing an additional layer of strength and durability. Overall, the dimensional stability of steel pipes is one of the key reasons for their widespread use in different industries. Their ability to maintain their shape and dimensions, even under challenging conditions, ensures reliable and long-lasting performance in various applications.
- Q: How are steel pipes marked for identification and traceability?
- Various methods are utilized to mark and trace steel pipes for identification purposes. One prevalent technique involves the use of permanent markers or paint. These markings typically encompass vital information such as the manufacturer's name or logo, the pipe's dimensions and specifications, and the production date or batch number. Aside from surface marking, steel pipes may also be identified through the utilization of tags or labels. These tags are commonly constructed from durable materials such as metal or plastic and are securely affixed to the pipe. They entail comprehensive details regarding the pipe, including its unique identification number, material composition, and any pertinent certifications or standards it adheres to. Another method employed for identification and traceability encompasses the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, instantly granting access to comprehensive information concerning the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated means of monitoring and tracing steel pipes throughout their lifespan. Moreover, some steel pipes may feature embossed or engraved markings directly on their surface. These markings are typically etched into the metal and possess the ability to withstand harsh conditions, ensuring long-term visibility and legibility. The ultimate objective of marking steel pipes is to guarantee their accurate identification and traceability throughout their lifespan. This aids in quality control, maintenance, and inspection procedures, as well as ensuring compliance with regulatory requirements. Clear and permanent markings enable manufacturers, suppliers, and users to effortlessly track and trace the history and specifications of steel pipes, facilitating better management and accountability in diverse industries such as construction, oil and gas, and infrastructure development.
- Q: What are the common sizes of steel pipes?
- The common sizes of steel pipes vary widely, but some common diameters range from 1/8 inch to 36 inches, with wall thicknesses typically ranging from Schedule 10 to Schedule 160.
- Q: What is the tensile strength of steel pipes?
- The tensile strength of steel pipes can vary depending on the grade and type of steel used. However, in general, steel pipes have a high tensile strength. Typically, carbon steel pipes have a tensile strength range of 370 to 700 megapascals (MPa), while alloy steel pipes can have a tensile strength range of 770 to 1200 MPa. These high tensile strengths allow steel pipes to withstand high levels of pressure and stress, making them suitable for a wide range of applications such as in the construction, oil and gas, and automotive industries. It is important to note that the tensile strength of steel pipes can also be influenced by other factors such as the manufacturing process, heat treatment, and the presence of any defects or imperfections. Therefore, it is advisable to consult the specifications provided by the manufacturer or industry standards to determine the exact tensile strength of a specific steel pipe.
- Q: How are steel pipes graded?
- The quality and suitability of steel pipes are determined by grading them based on several factors. The grading system typically takes into account parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. When it comes to the chemical composition, steel pipes are graded according to the elements present in their composition. This includes the quantities of carbon, manganese, phosphorus, sulfur, and other alloying elements. The pipe's strength, corrosion resistance, and other properties are greatly influenced by its chemical composition. 2. The mechanical properties of steel pipes play a crucial role in determining their strength, flexibility, and resistance to pressure and temperature. These properties encompass tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally given higher grades. 3. The manufacturing method used for steel pipes can vary, with options such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method has an impact on the pipe's integrity, dimensional accuracy, and overall quality. For example, seamless pipes are considered to be of higher quality due to their uniformity and lack of weld seams. 4. Steel pipes are graded based on their adherence to specific testing standards. These standards ensure that the pipes meet the required quality criteria and are suitable for their intended applications. Common testing standards include ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and EN (European Norms). Taking these factors into consideration, steel pipes are often assigned alphanumeric codes or specifications for grading. For instance, pipes used in the oil and gas industry may be graded as API 5L (American Petroleum Institute), while pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, the grading of steel pipes is determined by their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades assist customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency across various industries.
- Q: What are the different end finishes available for steel pipes?
- There are several different end finishes available for steel pipes, depending on the specific application and requirements. Some of the most common end finishes include: 1. Plain End: This is the simplest and most common type of end finish, where the pipe ends are cut square and left plain without any additional treatment or threading. 2. Beveled End: A beveled end is an angled cut made at the end of the pipe, usually at a 30-degree angle. This allows for better welding and ensures a smooth transition between pipes. 3. Threaded End: Threaded ends are commonly used for pipes that need to be connected with other components using threaded fittings. The ends of the pipe are cut with external threads, allowing for easy assembly and disassembly. 4. Coupling End: Similar to threaded ends, coupling ends have internal threads instead of external threads. This allows for the connection of pipes using couplings or connectors. 5. Grooved End: Grooved ends are commonly used for pipes in fire protection systems or other applications that require quick and easy installation. The ends of the pipe are grooved, and then a coupling is used to connect and secure the pipes. 6. Flanged End: Flanged ends have a flat, wide surface with holes for bolts. This type of end finish is used when the pipe needs to be connected to other components using flanges, such as in piping systems or equipment connections. Each of these end finishes serves a specific purpose and is chosen based on the requirements of the application. The end finish selected will depend on factors such as the type of connection needed, the pipe's intended use, and the specific industry standards and regulations that apply.
- Q: What are the common uses of steel pipes in construction?
- Due to their durability and strength, steel pipes are widely used in construction for various purposes. Plumbing systems in buildings commonly rely on steel pipes, which can effectively transport water, gas, and other fluids. Their resistance to corrosion and ability to withstand high pressure make them the preferred choice over alternative materials. Steel pipes are also frequently employed for structural support in construction. They serve as columns or beams, providing buildings with structural integrity and stability. With their capacity to support heavy loads, steel pipes are highly favored in the construction industry. Bridges and highways often incorporate steel pipes into their design. They are utilized to create sturdy and long-lasting bridge supports, guardrails, and signposts. The ability of steel pipes to endure extreme weather conditions and heavy traffic makes them a reliable option for infrastructure projects. Additionally, steel pipes are indispensable for underground utilities like sewer and drainage systems. They offer a robust solution for transporting wastewater and preventing leaks. Moreover, they play a crucial role in constructing underground tunnels and pipelines. Furthermore, steel pipes find application in fencing, scaffolding, and handrails in construction. Their strength, versatility, and ability to withstand harsh environmental conditions make them a preferred choice. In summary, steel pipes are vital components in construction due to their numerous advantages. Their durability, strength, and resistance to corrosion make them a reliable choice for various applications in the construction industry.
- Q: How are steel pipes marked for identification?
- Pipe marking is a process used to identify steel pipes. This process involves placing labels or markers on the pipes' surface to provide important information about their specifications and characteristics. The labels typically include details such as the size, grade, material composition, manufacturer's logo or name, and any relevant codes or standards. These markings are crucial for proper identification and ensure that the right pipes are used for specific applications, as well as for maintenance and repair purposes. Furthermore, the markings also assist with quality control and traceability, making it easy to identify and track the pipes throughout their lifespan. In summary, using clear and durable marking systems to identify steel pipes is vital for safety, efficiency, and compliance in various industries where these pipes are used.
- Q: What are the advantages of using steel pipes in marine applications?
- There are several advantages of using steel pipes in marine applications. Firstly, steel pipes are highly resistant to corrosion, making them suitable for prolonged exposure to saltwater and other harsh marine environments. Secondly, steel pipes have high strength and durability, allowing them to withstand extreme pressures and impacts commonly encountered in marine operations. Additionally, steel pipes have excellent thermal conductivity, making them ideal for transporting fluids at high temperatures. Lastly, steel pipes are readily available and can be easily fabricated and installed, ensuring efficiency and cost-effectiveness in marine applications.
Currently, the company can take the single and double pipe fusion bonded epoxy powder corrosion (FBE), double-layer polyethylene (2PE) and three-layer polyethylene anti-corrosion (3PE), double layer polypropylene anti-corrosion (2PP), and three-layer polypropylene (3PP) outer coating works. Executive DIN30670, DIN30671, SY/T0413-2002, SY/T0315-97, GB/T23257-2009 standard, corrosion range φ34-φ1600mm, the annual production capacity of 200 million square meters.
1. Manufacturer Overview
| Location | Cangzhou,China |
| Year Established | 2010 |
| Annual Output Value | 200 million square meters |
| Main Markets | Main land;Middle East;Southeast Asia |
| Company Certifications | ISO 9001 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 41% - 50% |
| No.of Employees in Trade Department | less than 10 |
| Language Spoken: | English；Chinese |
| b) Factory Information | |
| Factory Size: | 20,000 square meters |
| No. of Production Lines | 2 |
| Contract Manufacturing | OEM Service Offered；Design Service Offered |
| Product Price Range | Average |
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3 Layers PP Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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