• API 5L Seamless Line Pipe System 1
  • API 5L Seamless Line Pipe System 2
  • API 5L Seamless Line Pipe System 3
API 5L Seamless Line Pipe

API 5L Seamless Line Pipe

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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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Line pipe

 

 Standard : API SPEC 5L

 

Application of API 5L seamless line pipe: It is used for conveying gas,water,and petroleum of both the oil and natural gas industries.

 

 

 

Standard

Product Specification Level

Steel grade

Yield Strength (min), Mpa

Tensile Strength(min), Mpa

API 5L

PSL 1

L210 or A

210

335

L245 or B

245

415

L290 or x42

290

415

L320 or X46

320

435

L360 or X52

360

460

L390 or X56

390

490

L415 or X60

415

520

PSL 2

L245Ror BR

245~450

415~760

L290R or X42R

290~495

415~760

L245N or BN

245~450

415~760

L290N or X42N

290~495

415~760

L320N or X46N

320~525

435~760

L360N or X52N

360~530

460~760

L390N or X56N

390~545

490~760

L415N or X60N

415~565

520~760

 

 

Nominal Diameter Range

Outside diameters Rang(mm)

Coating Type

Coating Layer

Coating thickness

DN100~600

114.3~609.6

 

Three layers polyethylene

 

2.0~4.5mm

Inside layer: epoxy(Green)     

 

 Mid Layer:adhesive(White)

 

Outside layer:polyethylene (Black)

 

Two layers polyethylene

 

2.0~4.5mm

Inside layer: adhesive  

 

Outside layer:polythene

DN80~600

88.9~609.6

FBE

epoxy

 

200~400um

Epoxy

2FBE

Two layers epoxy

 

400~800um

Inside layer: epoxy(Green)    

  

Outside layer:intensity epoxy(sage green)

DN100~600

114.3~609.6

3PP

Three layers polypropylene

 

2.5~3mm

Inside layer: epoxy(Green)       

 

 Mid Layer:adhesive(White)

 

Outside layer:polypropylene(White)

 

API 5L Seamless Line Pipe

 

API 5L Seamless Line Pipe

Q: Can steel pipes be used for the construction of high-rise buildings?
Yes, steel pipes can be used for the construction of high-rise buildings. Steel pipes offer several advantages such as high strength, durability, and resistance to fire and corrosion. They can be used for various structural elements including columns, beams, and bracing systems, providing a reliable and cost-effective solution for constructing tall buildings.
Q: Can steel pipes be used for wastewater disposal?
Yes, steel pipes can be used for wastewater disposal. Steel pipes are commonly used in wastewater systems due to their durability, strength, and resistance to corrosion. They can handle the high pressure and flow rates often associated with wastewater and can effectively transport it to treatment plants or other disposal points. Additionally, steel pipes can be coated or lined with materials that provide extra protection against corrosion or chemical reactions with the wastewater, further increasing their longevity and effectiveness in wastewater disposal.
Q: What is the difference between steel pipes and PEX pipes?
Steel pipes are made from steel, a durable and strong material, while PEX pipes are made from cross-linked polyethylene, a flexible and lightweight material. Steel pipes are typically used for high-pressure applications, such as plumbing systems in commercial buildings, while PEX pipes are commonly used in residential plumbing due to their ease of installation, resistance to freezing and bursting, and lower cost. Additionally, steel pipes require threading and soldering for connections, while PEX pipes use push-fit or crimp fittings, making them easier to work with.
Q: What are the different types of couplings used with steel pipes?
There are several types of couplings commonly used with steel pipes, including threaded couplings, slip-on couplings, welding couplings, and flanged couplings. Each type of coupling has its own specific method of connection and is chosen based on the requirements of the application and the pipe system.
Q: What is the difference between steel pipe and ductile iron pipe?
Steel pipe and ductile iron pipe are commonly utilized in various industries to transport fluids and gases. Nevertheless, there exist notable distinctions between the two materials. One primary difference lies in their composition. Steel pipe primarily consists of iron and carbon, with additional alloying elements to enhance strength and corrosion resistance. Conversely, ductile iron pipe is a form of cast iron that has undergone treatment to improve ductility and toughness. It contains higher levels of carbon and silicon, along with small amounts of other elements like magnesium and copper. Another difference is their strength and durability. Steel pipe is renowned for its high strength, enabling it to endure greater pressures and stresses compared to ductile iron pipe. It also exhibits superior resistance to impact and bending, making it suitable for applications requiring robustness. Ductile iron pipe, although not as strong as steel, still offers good strength and durability, particularly in scenarios involving external damage or heavy loads. Corrosion resistance is another crucial factor. Steel pipe typically exhibits greater resistance to corrosion due to the inclusion of alloying elements such as chromium and nickel. This renders it well-suited for applications prone to high corrosion risks, like pipelines carrying corrosive fluids. Ductile iron pipe, while possessing some corrosion resistance, may necessitate additional protective coatings to enhance its durability in corrosive environments. Installation and maintenance also differ between these two pipe types. Steel pipe is generally lighter and more manageable, facilitating easier installation. It also allows for welding, thereby providing greater construction flexibility. Ductile iron pipe, being a cast iron material, requires more specialized installation techniques such as mechanical joints or flanges. If mishandled, it is also more prone to cracking during installation. In terms of cost, steel pipe typically incurs higher expenses compared to ductile iron pipe. This stems from the higher cost of raw materials and the additional processing involved in steel pipe production. However, it is crucial to consider the overall lifecycle cost, as steel pipe's increased strength and corrosion resistance may result in lower maintenance and replacement expenses in the long run. In conclusion, while both steel pipe and ductile iron pipe have their respective advantages and applications, the choice between the two depends on factors such as strength requirements, corrosion resistance, installation methods, and budget considerations. Careful assessment of these factors will aid in determining the most suitable pipe material for a specific application.
Q: What are the different factors affecting the flow rate of steel pipes?
The flow rate of steel pipes can be affected by multiple factors. Let's explore some of these factors: 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger pipes allow for greater flow rates as they provide a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also impacts the flow rate. Longer pipes tend to have higher friction losses, which can decrease the flow rate. Moreover, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important consideration. Viscous fluids, such as heavy oils, exhibit higher resistance to flow, resulting in lower flow rates. Conversely, less viscous fluids, like water, encounter lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe serves as a driving force for flow. A higher pressure difference will lead to a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner pipe surface influences the flow rate. Rough surfaces generate more turbulence and friction, thus resulting in a lower flow rate. Conversely, smoother surfaces minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which subsequently affect the flow rate. Higher temperatures generally decrease the viscosity of fluids, leading to increased flow rates. 7. Pipe material: The choice of pipe material impacts the flow rate due to varying roughness and resistance. Steel pipes, for instance, typically possess a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Understanding the interplay of these factors is essential for the design and optimization of fluid flow systems involving steel pipes.
Q: Can steel pipes be used for hydropower generation?
Indeed, the utilization of steel pipes is possible for the generation of hydropower. Within hydropower systems, steel pipes find widespread application in various contexts like penstocks and pipelines. Penstocks, characterized by their large size, are responsible for transporting water from a reservoir to a turbine, facilitating the conversion of the water's kinetic energy into rotational energy. Consequently, these pipes necessitate robustness and longevity to endure the immense water pressure and structural weight. Furthermore, steel pipes are also employed for pipelines, facilitating the transportation of water from the turbine back to the river or reservoir. Ultimately, steel pipes are an indispensable element in the generation of hydropower, as they possess the necessary strength, durability, and resilience to withstand the challenging conditions associated with water flow.
Q: What is the process of coating steel pipes?
The process of coating steel pipes involves several steps. First, the pipes are cleaned to remove any dirt, rust, or other contaminants. Then, a primer is applied to enhance adhesion and provide a protective layer. Next, the pipes are coated with a specialized coating material, such as epoxy, polyethylene, or zinc, depending on the desired level of corrosion resistance. This coating is applied using various methods, including spraying, dipping, or wrapping. Finally, the coated pipes undergo a curing process, which allows the coating to harden and form a durable barrier against corrosion.
Q: How are steel pipes specified in engineering drawings?
Steel pipes are specified in engineering drawings by providing information such as the diameter, length, wall thickness, material grade, and any other relevant specifications or standards that need to be followed.
Q: How are steel pipes used in the manufacturing of power distribution systems?
Steel pipes are commonly used in the manufacturing of power distribution systems as they provide a reliable and durable solution for transporting and protecting electrical cables. They are used to create conduits that house the cables, ensuring safe and efficient transmission of electricity throughout the system. Steel pipes also offer resistance to corrosion, fire, and extreme weather conditions, making them a suitable choice for power distribution systems.
The company's main products are: the low-pressure boiler seamless steel pipe, oil casing seamless pipe, ship seamless steel tubes, seamless steel pipe, petroleum cracking, chemical fertilizer equipment, seamless steel tubes, structural seamless steel pipe, seamless steel hollow pumping rod with eight series. According to GB, ASTM, APL5L, AP15CT, DIH, JIS and other standard production seamless steel tubes.

1. Manufacturer Overview

Location Hebei, China
Year Established 1990
Annual Output Value Above 30 milionrmb
Main Markets Germany; Japan;Korea; America; Brasil; Canada
Company Certifications ISO9001:2000 ; API

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a) Trade Capacity
Nearest Port Tianjin; Qingdao
Export Percentage 50%
No.of Employees in Trade Department Above 10
Language Spoken: English; Chinese
b) Factory Information
Factory Size: 8,5000square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered; Design Service Offered
Product Price Range High Average

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