• 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 to identify stainless steel pipe and steel pipe?
Steel pipe according to the production method can be divided into two categories: seamless steel pipe and pipe joints, pipe joints as welded steel pipe.1. seamless steel tube according to the production methods can be divided into: hot-rolled seamless pipe, cold drawn tube, precision steel tube, heat expansion tube, cold spinning tube and extrusion tube.Seamless steel tubes are made of high quality carbon or alloy steel. They are hot-rolled and cold-rolled (drawn).Bundled steel pipe2. welded steel pipe for different welding process and divided into the furnace pipe welding (ERW) pipe and automatic arc welding, because of the different forms of welding seam welded pipe and spiral welded pipe is divided into two kinds, end its shape is divided into circular welded and shaped (square, flat) pipe.
Q: What are the safety considerations when working with steel pipes?
There are several crucial safety considerations to bear in mind when working with steel pipes. To begin with, it is imperative to wear the appropriate personal protective equipment (PPE). This includes safety glasses or goggles to shield the eyes from debris or sparks, gloves to protect the hands from sharp edges or hot surfaces, and steel-toed boots to safeguard the feet from falling objects or heavy equipment. Additionally, it is advisable to wear a hard hat to shield the head from potential falling objects or hazards overhead. Moreover, one must be mindful of the weight and size of the steel pipes. Handling heavy pipes can strain the back and muscles, so it is essential to utilize proper lifting techniques and seek assistance when necessary. The use of lifting equipment, such as cranes or forklifts, can also help prevent injuries associated with heavy lifting. Another safety consideration is the risk of cuts or punctures. Steel pipes may have sharp edges or burrs, so it is important to handle them with care and wear suitable gloves to minimize the risk of injury. It is also recommended to inspect pipes for any defects or sharp edges before working with them. Furthermore, working with steel pipes may involve welding or cutting, which can generate sparks, heat, and fumes. It is vital to work in a well-ventilated area or employ proper ventilation equipment to ensure the elimination of harmful gases or fumes. Fire safety precautions, such as having fire extinguishers nearby and adhering to proper procedures for hot work, should also be taken. Lastly, one must be aware of potential hazards associated with working at heights or in confined spaces. When working on elevated platforms or scaffolding, fall protection measures, like safety harnesses or guardrails, should be in place. In confined spaces, proper ventilation and monitoring for hazardous gases are essential to prevent asphyxiation or exposure to toxic substances. By adhering to these safety considerations and following proper procedures, the risk of accidents or injuries when working with steel pipes can be significantly reduced.
Q: How do steel pipes handle expansion and contraction?
Steel pipes handle expansion and contraction through their inherent flexibility and ability to withstand temperature variations. As steel is a ductile material, it can expand and contract without significant deformation or structural damage. Additionally, the use of expansion joints or loops in piping systems allows for controlled movement and accommodates thermal expansion and contraction effectively.
Q: What is the maximum pressure that steel pipes can withstand?
The maximum pressure that steel pipes can withstand depends on various factors such as the pipe's diameter, thickness, quality, and intended application. However, steel pipes are known for their high strength and durability, allowing them to withstand significant pressure.
Q: How are steel pipes used in the manufacturing of geothermal systems?
Steel pipes are used in the manufacturing of geothermal systems for their durability and heat conductivity. They are used to transport fluids, such as water or steam, between the geothermal source and the heat pump or power generator. Steel pipes can withstand high temperatures and pressures, making them ideal for the harsh environment of geothermal systems. Additionally, their corrosion resistance ensures the longevity and efficiency of the system.
Q: What are the common challenges faced during steel pipe installation?
When installing steel pipes, there are various challenges that may arise. One of these challenges involves the need to ensure that the pipe sections are properly aligned and fit together correctly. Welding or threading is typically used to join steel pipes, and if the alignment is not precise, it can result in leaks or weak points in the pipeline. To overcome this challenge, it is necessary to use careful measurements and alignment techniques to ensure a secure and tight fit between the pipe sections. Another challenge that arises is dealing with corrosion and rust. Steel pipes are prone to corrosion, especially when exposed to moisture or corrosive substances. This can lead to the deterioration of the pipes over time, compromising their structural integrity and increasing the risk of leaks. To address this challenge, it is possible to apply protective coatings or linings 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 it can be physically demanding to maneuver and position them. 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 correctly. 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 longevity of the pipeline. In conclusion, the challenges commonly faced during steel pipe installation include the need for proper alignment, the issue of corrosion and rust, the handling of the weight and size of the pipes, and the consideration of environmental factors. Overcoming these challenges requires careful planning, attention to detail, and the utilization of appropriate techniques and equipment.
Q: Can steel pipes be used in the automotive industry?
Yes, steel pipes are commonly used in the automotive industry for various applications such as exhaust systems, fuel lines, and structural components. The high strength, durability, and heat resistance of steel make it an ideal material for handling the demands of the automotive environment.
Q: What is the difference between steel pipe and polyethylene pipe?
Steel pipe and polyethylene pipe are utilized for plumbing and construction purposes, but they differ in terms of their materials and characteristics. Steel pipe derives its strength and durability from a combination of iron and carbon. It is commonly employed in industrial settings or for underground gas and oil pipelines where high pressure and heavy loads are expected. Steel pipe is renowned for its corrosion resistance and ability to withstand extreme temperatures. In contrast, polyethylene pipe is a plastic pipe crafted from either high-density polyethylene (HDPE) or low-density polyethylene (LDPE). It is lightweight, flexible, and easy to install, making it a popular choice for residential plumbing and irrigation systems. Polyethylene pipe can resist chemicals, UV rays, and abrasive materials, making it suitable for both above-ground and underground installations. Another notable distinction between steel pipe and polyethylene pipe is their respective costs. Steel pipe is generally more expensive due to the raw materials and manufacturing processes involved. Conversely, polyethylene pipe is relatively affordable and cost-effective, especially for smaller-scale projects. Regarding maintenance, steel pipe necessitates periodic inspections and maintenance to prevent corrosion and ensure durability. Conversely, polyethylene pipe is virtually maintenance-free due to its resistance to corrosion and chemical degradation. To summarize, the primary differences between steel pipe and polyethylene pipe lie in their composition, strength, durability, cost, and maintenance requirements. The choice between these pipes depends on the project's specific needs, considering factors such as pressure, load, budget, and environmental conditions.
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 are steel pipes used in the manufacturing of pulp and paper mills?
Steel pipes are commonly used in the manufacturing of pulp and paper mills for various purposes. They are primarily utilized for transporting water, chemicals, and steam throughout the mill's processes. Steel pipes are also employed for structural support, such as in the construction of storage tanks, conveyors, and equipment frames. Additionally, they are used for providing compressed air, ensuring efficient operation of machinery and processes. Overall, steel pipes play a crucial role in facilitating the smooth functioning and efficient production of pulp and paper mills.
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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