• 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: How are steel pipes protected against UV radiation?
Steel pipes are typically protected against UV radiation by applying a coating or paint that contains UV stabilizers. These stabilizers help to prevent the degradation and discoloration of the steel caused by prolonged exposure to sunlight and UV rays.
Q: What are the different types of steel pipe hangers?
There are several different types of steel pipe hangers that are commonly used in various industries and applications. These hangers are designed to support and secure pipes, ensuring proper alignment and preventing sagging or movement. 1. Clevis Hangers: Clevis hangers consist of a clevis, which is a U-shaped metal bracket, and a threaded rod that connects the clevis to the supporting structure. This type of hanger allows for vertical adjustment and is often used in suspended piping systems. 2. Split Ring Hangers: Split ring hangers are circular metal rings that are split on one side. They can be easily opened and closed around the pipe, providing a secure hold. Split ring hangers are commonly used for suspending horizontal pipes. 3. Beam Clamps: Beam clamps are designed to attach to structural beams or channels, providing a secure mounting point for pipe hangers. They come in various designs, including top flange, bottom flange, and side mount, to accommodate different installation needs. 4. Swivel Hangers: Swivel hangers are used to support pipes that may experience thermal expansion or contraction. These hangers allow the pipe to move horizontally while still providing support and preventing excessive stress on the connections. 5. Riser Clamps: Riser clamps are used to support vertical pipes or risers. They typically consist of a metal band that wraps around the pipe and a threaded rod that connects the band to the supporting structure. 6. Pipe Roller Supports: Pipe roller supports are used in applications where pipes need to move horizontally due to expansion or contraction. These hangers consist of a series of rollers that allow the pipe to move freely while still providing support. 7. Pipe Saddles: Pipe saddles are U-shaped brackets that wrap around the pipe, providing support on both sides. They are often used in applications where pipes need to be secured to walls or other structures. These are just a few examples of the different types of steel pipe hangers available. The specific type of hanger used will depend on factors such as pipe size, weight, location, and required movement allowance. It is important to choose the appropriate hanger for each application to ensure proper support and functionality of the piping system.
Q: Can steel pipes be used for pharmaceutical manufacturing?
Yes, steel pipes can be used for pharmaceutical manufacturing. Steel pipes are commonly used in various industries, including pharmaceutical manufacturing, due to their durability, strength, and resistance to corrosion. In pharmaceutical manufacturing, steel pipes are primarily used for fluid transportation, such as the transfer of chemicals, solvents, and other raw materials. They are also used for the distribution of process water, steam, and other utilities. Stainless steel pipes are particularly preferred in pharmaceutical manufacturing as they are highly resistant to corrosion and can withstand high temperatures and pressures. Moreover, stainless steel pipes have smooth surfaces, which prevent the accumulation of particles and facilitate easy cleaning and sterilization, essential requirements in pharmaceutical production. Overall, steel pipes are a reliable and suitable option for pharmaceutical manufacturing due to their robustness, resistance to corrosion, and ability to meet the stringent cleanliness and hygiene standards of the industry.
Q: What are the challenges faced in transporting steel pipes?
Some of the challenges faced in transporting steel pipes include their large size and weight, which can make them difficult to handle and transport. Additionally, their shape can make it challenging to secure them properly during transportation to prevent damage or accidents. The corrosive nature of steel pipes can also pose a challenge, as special precautions need to be taken to protect them from rust or other forms of damage during transportation. Finally, the cost of transportation can be a challenge, as steel pipes often require specialized equipment and vehicles, which can be expensive to rent or purchase.
Q: How can galvanized steel pipe be connected with stainless steel pipe?
Attention should be paid to the zinc coating at the side of the groove before welding. It is OK to brush silver powder after welding. There is a lot of information about the welding of carbon steel and stainless steel. Just check it online.
Q: What are the different types of joints used in steel pipes?
The different types of joints used in steel pipes include butt weld, socket weld, threaded, and flanged joints.
Q: What is a steel pipe?
A steel pipe is a cylindrical hollow tube made from steel material, commonly used in various industries for transporting fluids, gases, or solids, as well as for structural applications.
Q: What are the common challenges faced during steel pipe installation?
During steel pipe installation, there are several common challenges that may arise. One challenge is ensuring proper alignment and fit between pipe sections. Steel pipes are typically joined together using welding or threading, and if the alignment is not precise, it can result in leaks or weak points in the pipeline. To overcome this challenge, careful measurements and alignment techniques must be used to ensure a secure and tight fit between pipe sections. Another challenge is dealing with corrosion and rust. Steel pipes are susceptible to corrosion, especially when exposed to moisture or corrosive substances. This can lead to degradation of the pipe over time, compromising its structural integrity and increasing the likelihood of leaks. To address this challenge, protective coatings or linings can be applied to the steel pipes to prevent corrosion and extend their lifespan. Additionally, the weight and size of steel pipes can pose a challenge during installation. Steel pipes are heavy, and maneuvering and positioning them can be physically demanding. Moreover, the large diameter of some steel pipes makes it difficult to transport and handle them in tight spaces or through narrow pathways. Overcoming this challenge often requires the use of heavy machinery, such as cranes or forklifts, to lift and position the pipes properly. Lastly, environmental factors can also present challenges during steel pipe installation. Extreme temperatures, harsh weather conditions, or unstable soil conditions can impact the installation process. For example, freezing temperatures can make it challenging to weld the pipes, while unstable soil may require additional reinforcement or stabilization measures to ensure the durability of the pipeline. In conclusion, the common challenges faced during steel pipe installation include ensuring proper alignment, dealing with corrosion and rust, handling the weight and size of the pipes, and addressing environmental factors. Overcoming these challenges requires careful planning, attention to detail, and the use of appropriate techniques and equipment.
Q: What are the common welding techniques used for steel pipes?
The common welding techniques used for steel pipes include Shielded Metal Arc Welding (SMAW or stick welding), Gas Metal Arc Welding (GMAW or MIG welding), Flux-Cored Arc Welding (FCAW), and Gas Tungsten Arc Welding (GTAW or TIG welding).
Q: How do you calculate the pipe thermal expansion coefficient for steel pipes?
To calculate the pipe thermal expansion coefficient for steel pipes, you need to consider the material's linear expansion coefficient and the change in temperature. The linear expansion coefficient for steel is typically around 12 x 10^-6 per degree Celsius. First, determine the initial length of the pipe, which is denoted as L0. Then, measure the change in temperature, denoted as ΔT. Next, multiply the initial length of the pipe by the linear expansion coefficient and the change in temperature: ΔL = L0 * α * ΔT. The resulting value, ΔL, represents the change in length of the steel pipe due to thermal expansion.
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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