• Steel Pipes India Line Pipe System 1
  • Steel Pipes India Line Pipe System 2
  • Steel Pipes India Line Pipe System 3
Steel Pipes India Line Pipe

Steel Pipes India 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 do you calculate the flow rate of water in steel pipes?
To calculate the flow rate of water in steel pipes, you need to consider the pipe's diameter, length, and the pressure difference across the pipe. Using formulas like the Darcy-Weisbach equation or the Hazen-Williams equation, you can determine the flow rate by plugging in these variables along with the fluid properties.
Q:How to distinguish between steel pipe and spiral pipe material?
Steel pipe according to the pipe material (ie steel) can be divided into: carbon tube and alloy tube, stainless steel tube.Carbon tube can be divided into ordinary carbon steel tube and high quality carbon structure tube.
Q:Are steel pipes suitable for offshore drilling platforms?
Yes, steel pipes are suitable for offshore drilling platforms. Steel pipes have been used extensively in the offshore drilling industry due to their strength, durability, and corrosion resistance. Offshore drilling platforms operate in harsh marine environments where they are exposed to saltwater, extreme pressure, and temperature variations. Steel pipes are able to withstand these conditions and provide a reliable and long-lasting solution for transporting fluids such as oil and gas from the seabed to the surface. Additionally, steel pipes can be welded together, allowing for easy installation and maintenance on offshore drilling platforms. Overall, steel pipes have proven to be a suitable choice for offshore drilling platforms due to their robustness and ability to withstand the challenging conditions of the marine environment.
Q:How do you calculate the pipe pressure drop for steel pipes?
To determine the pressure drop in steel pipes, there are two equations that can be utilized: the Darcy-Weisbach equation and the Hazen-Williams equation. The Darcy-Weisbach equation, although more precise, necessitates a greater amount of information. It takes into consideration the diameter, length, roughness, fluid flow rate, as well as fluid properties like viscosity and density. The equation is expressed as: To calculate the pressure drop (ΔP), the following formula can be used: (f * L * ρ * V^2) / (2 * D) In this formula: - ΔP denotes the pressure drop - f represents the friction factor (which can be determined using Moody's chart or empirical equations such as the Colebrook-White equation) - L signifies the length of the pipe - ρ denotes the fluid density - V represents the fluid velocity - D signifies the pipe diameter On the other hand, the Hazen-Williams equation is a simplified version commonly employed for water flow calculations. Although less accurate, it is more user-friendly. The equation is expressed as: To calculate the pressure drop (ΔP), the following formula can be used: K * Q^1.85 / (C^1.85 * d^4.87) In this formula: - ΔP denotes the pressure drop - K signifies the Hazen-Williams coefficient (which relies on the pipe material and roughness) - Q represents the flow rate - C signifies the Hazen-Williams roughness coefficient - d denotes the pipe diameter It is crucial to note that these equations provide estimations of the pressure drop, and actual conditions may vary due to factors such as fittings, bends, and valves in the pipe system. Furthermore, consistency in unit usage (e.g., SI units or US customary units) is of utmost importance when employing these equations.
Q:What is the difference between steel pipes and copper pipes?
The main difference between steel pipes and copper pipes lies in their material composition. Steel pipes are made of iron and carbon, while copper pipes are composed of copper metal. Additionally, steel pipes are generally more durable and can withstand higher pressure and temperature levels, making them suitable for industrial applications. On the other hand, copper pipes are more malleable and easily bent, making them ideal for residential plumbing systems. Moreover, copper pipes have better corrosion resistance compared to steel pipes, which may require coatings or treatments to prevent rusting.
Q:How are steel pipes used in underground drainage systems?
Steel pipes are commonly used in underground drainage systems due to their durability and strength. They are used to transport wastewater, stormwater, and other liquids away from buildings and infrastructure to a designated discharge point. The steel pipes provide a reliable and long-lasting solution, ensuring the efficient flow of water and preventing any potential leaks or damage to the surrounding environment.
Q:What is the role of steel pipes in the construction of bridges and tunnels?
Steel pipes play a crucial role in the construction of bridges and tunnels. They are extensively used for various purposes due to their strength, durability, and versatility. In bridge construction, steel pipes are commonly employed for the fabrication of the bridge's structural framework. They serve as the primary load-bearing members, providing support and stability to the entire structure. Steel pipes are particularly favored in bridge construction due to their high tensile strength, which enables them to withstand heavy loads, including the weight of vehicles and the dynamic forces generated by traffic. Steel pipes are also utilized in the construction of bridge piers and abutments. These components provide the foundation and support for the bridge structure. Steel pipes are often driven deep into the ground to create sturdy foundations that can withstand the forces exerted by the bridge's weight and external factors such as wind, water currents, and seismic activity. Similarly, steel pipes are essential in tunnel construction. They are extensively used in tunnel lining, which refers to the installation of structural elements along the tunnel walls and roof to provide stability and prevent soil or rock collapse. Steel pipes are often used as reinforcement elements, ensuring the structural integrity of the tunnel and protecting it from external pressures. Moreover, steel pipes are employed for underground utility systems in both bridges and tunnels. They serve as conduits for various utilities such as water supply, electrical cables, gas pipelines, and communication lines. Steel pipes are ideal for these applications due to their corrosion resistance, ability to withstand high pressures, and longevity. Overall, the role of steel pipes in the construction of bridges and tunnels is to provide strength, stability, and durability to the structures. They play a vital role in ensuring the safety and functionality of these critical infrastructure projects, allowing for efficient transportation and the seamless provision of utilities.
Q:How do you calculate the stress in a steel pipe?
To calculate the stress in a steel pipe, you need to determine the applied force or load acting on the pipe and divide it by the cross-sectional area of the pipe. This will give you the stress value, which is typically measured in units of force per unit area (such as pounds per square inch or pascals).
Q:What is the difference between seamless steel pipe and welded pipe?
The thicker the diameter, the more commonly the spiral weld. The seamless steel pipe is generally molten state molten steel through the annular slot backlog, and then stretched and other treatment process, so that there is no weld. On the performance, especially the pressure capacity of the steel pipe than ordinary steel has greatly improved, so often used for high voltage equipment.
Q:What are the common methods for cleaning the inner surface of steel pipes?
Some common methods for cleaning the inner surface of steel pipes include chemical cleaning, mechanical cleaning, and high-pressure water jetting. Chemical cleaning involves using solvents or acids to dissolve and remove any contaminants or residue. Mechanical cleaning involves using tools such as wire brushes, scrapers, or pigs to physically scrub and scrape the inner surface of the pipes. High-pressure water jetting involves using a pressurized stream of water to blast away dirt, scale, or other deposits. These methods can be used individually or in combination, depending on the specific cleaning requirements and the condition of the pipes.
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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