• Line Pipe System 1
  • Line Pipe System 2
  • Line Pipe System 3
Line Pipe

Line Pipe

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
20MT m.t.
Supply Capability:
5000 Tons Per Month m.t./month

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Specifications of Line pipe

Standard : API SPEC 5L 

 

Standard

 

Product Specification Level

Steel grade

Chemical composition, %

C

Mn

P

S

Si

V

Nb

Ti

CEpcm

API 5L

PSL 1

L210 or A

0.22

0.90

0.030

0.030

-

-

-

-

0.25

L245 or B

0.28

1.20

0.030

0.030

-

-

-

-

0.25

L290 or x42

0.28

1.30

0.030

0.030

-

-

-

-

0.25

L320 or X46

0.28

1.40

0.030

0.030

-

-

-

-

0.25

L360 or X52

0.28

1.40

0.030

0.030

-

-

-

-

0.25

L390 or X56

0.28

1.40

0.030

0.030

-

-

-

-

0.25

L415 or X60

0.28

1.40

0.030

0.030

-

-

-

-

0.25

PSL 2

L245Ror BR

0.24

1.20

0.025

0.015

0.40

c

c

0.04

0.25

L290R or X42R

0.24

1.20

0.025

0.015

0.40

0.06

0.05

0.04

0.25

L245N or BN

0.24

1.20

0.025

0.015

0.40

c

c

0.04

0.25

L290N or X42N

0.24

1.20

0.025

0.015

0.40

0.06

0.05

0.04

0.25

L320N or X46N

0.24

1.40

0.025

0.015

0.40

0.07

0.05

0.04

0.25

L360N or X52N

0.24

1.40

0.025

0.015

0.45

0.10

0.05

0.04

0.25

L390N or X56N

0.24

1.40

0.025

0.015

0.45

0.10

0.05

0.04

0.25

L415N or X60N

0.24

1.40

0.025

0.015

0.45

0.10

0.05

0.04

协商

Negotiation

Note:The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and the manufacturer, an alternative maximum may be established.

 

 

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)

Applications

It is used for conveying gas,water,and petroleum of both the oil and natural gas industries.

Packaging & Delivery

Each bundles pipes will be bundled with 6-8 pcs steel strips and with shipping marks and 2 nylon strips 

40-50 days delivery on china port upon receiving orinigal LC or prepayment.

 

Q:What is the average lifespan of a steel pipe?
The average lifespan of a steel pipe can vary depending on various factors such as the quality of the steel, the environment it is exposed to, and the level of maintenance. However, with proper installation and maintenance, a steel pipe can typically last anywhere from 20 to 100 years.
Q:How big is the seamless steel tube of DN50?
This refers to the diameter of the steel pipe is 50 mm, DN50 steel pipe diameter is 60.3 mm, that is, 60.3 * 5 mm steel pipe
Q:Can steel pipes be used for food processing facilities?
Yes, steel pipes can be used for food processing facilities. Steel pipes are commonly used in food processing facilities due to their durability, strength, and resistance to corrosion. They are also easy to clean, which is essential in maintaining proper hygiene standards in food processing environments. Additionally, steel pipes can withstand high temperatures and pressure, making them suitable for various food processing applications such as conveying liquids, gases, and solids. However, it is important to ensure that the steel pipes used in food processing facilities are made from materials that are approved for contact with food, and that they are regularly inspected and maintained to prevent any contamination risks.
Q:How are steel pipes used in the manufacturing of oil refineries?
Steel pipes are used in oil refineries for a variety of purposes, including transporting crude oil and other fluids, as well as for structural applications. They are commonly used for piping systems, carrying process fluids such as oil, gas, and water, throughout the refinery. Additionally, steel pipes are used to handle corrosive and high-pressure environments, making them essential for the safe and efficient operation of oil refineries.
Q:What are the different end finishes available for steel pipes?
Some of the different end finishes available for steel pipes include plain ends, beveled ends, threaded ends, grooved ends, and flanged ends.
Q:How are steel pipes used in geothermal energy systems?
Steel pipes are used in geothermal energy systems to transport the hot water or steam from the underground reservoir to the surface. These pipes are resistant to high temperatures and corrosion, ensuring the safe and efficient transfer of geothermal fluids. Additionally, steel pipes provide durability and strength, making them suitable for the harsh conditions of geothermal environments.
Q:What is the dimensional stability of steel pipes?
The ability of steel pipes to retain their shape and dimensions in different conditions and external forces is referred to as dimensional stability. Steel pipes are well-known for their exceptional dimensional stability due to the inherent properties of the material. Steel, being a strong and rigid material, can maintain its shape even when subjected to high pressure or temperature fluctuations. This characteristic makes steel pipes highly suitable for applications that demand stability and resistance to deformation, such as plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, the dimensional stability of steel pipes is also a result of their manufacturing processes. These pipes are typically produced using methods like seamless or welded construction, ensuring uniformity and consistent dimensions throughout the pipe's length. This precise manufacturing contributes to the dimensional stability of steel pipes. Furthermore, steel pipes are often coated with various protective coatings to increase their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only provide corrosion protection but also enhance the dimensional stability of the pipes by adding an extra layer of strength and durability. In conclusion, the widespread use of steel pipes in different industries is largely attributed to their dimensional stability. Their ability to maintain their shape and dimensions, even in challenging conditions, guarantees reliable and long-lasting performance in various applications.
Q:When can I use the PVC pipe and when to use the galvanized pipe?
PVC pipeline use temperature is -5 to 90 degrees or so, according to the current market price of around 6000 yuan per ton, the price is cheap. Its corrosion resistance is good, can resist most of the acid and alkali, and unlike the steel pipe that is easy to rust, so in the construction of the upper and lower water pipes and other fields have gradually replaced the trend of steel pipe.
Q:How do you determine the maximum allowable stress for a steel pipe?
Several factors need to be taken into account in order to determine the maximum stress that a steel pipe can withstand. The type of steel used in the pipe is of utmost importance, as different types have varying mechanical properties and strengths. Additionally, the dimensions and thickness of the pipe are significant factors in determining its maximum stress capacity. Generally, thicker pipes have higher stress limits compared to thinner ones. Furthermore, it is crucial to consider the operating conditions that the pipe will be exposed to. This includes the temperature, pressure, and the nature of the fluid flowing through the pipe. These conditions can greatly impact the maximum stress that the pipe can tolerate. For instance, high temperatures or corrosive fluids can weaken the steel and reduce its strength. Engineers typically rely on industry standards and codes, such as the ASME Boiler and Pressure Vessel Code and the API standards, to determine the maximum stress limit. These standards provide guidelines and formulas for calculating the maximum stress based on the material properties, dimensions, and operating conditions of the pipe. It is important to emphasize that determining the maximum stress limit is a critical step in ensuring the structural integrity and safety of the steel pipe. It requires a comprehensive understanding of the materials, design considerations, and industry standards. Therefore, it is advisable to seek guidance from experienced engineers or professionals who specialize in piping design and analysis to accurately determine the maximum stress that a steel pipe can withstand.
Q:Can steel pipes be used for hydropower systems?
Yes, steel pipes can be used for hydropower systems. Steel pipes are commonly used in hydropower systems for various applications such as penstocks, which are used to transport water from a reservoir to a turbine. Steel pipes are preferred for their strength, durability, and ability to withstand high pressure and water flow. They are also resistant to corrosion, making them suitable for long-term use in hydropower systems. Additionally, steel pipes can be easily welded or joined, allowing for flexibility in system design and installation. Overall, steel pipes are a reliable and widely used choice for hydropower 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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