• High grade seamless steel pipe for petroleum System 1
  • High grade seamless steel pipe for petroleum System 2
High grade seamless steel pipe for petroleum

High grade seamless steel pipe for petroleum

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
40 m.t.
Supply Capability:
15000 m.t./month

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1Structure of  High grade seamless steel pipe for petroleum : 

Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

2‍‍Main Features of  High grade seamless steel pipe for petroleum :

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 High grade seamless steel pipe for petroleum Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

8 - 33 mm

Section Shape

Round

Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of  High grade seamless steel pipe for petroleum :  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

6‍‍ High grade seamless steel pipe for petroleum  Images ‍‍

 

Q:How are steel pipes insulated to prevent noise transmission?
Steel pipes are typically insulated to prevent noise transmission by using materials such as fiberglass or mineral wool wraps. These insulating materials are wrapped around the pipes, creating a barrier that absorbs and dampens sound waves, reducing noise transmission. Additionally, acoustic lagging or jackets can also be applied to further reduce noise and vibration.
Q:What are the advantages of using steel pipes in marine applications?
There are several advantages of using steel pipes in marine applications. Firstly, steel pipes are highly resistant to corrosion, making them suitable for prolonged exposure to saltwater and other harsh marine environments. Secondly, steel pipes have high strength and durability, allowing them to withstand extreme pressures and impacts commonly encountered in marine operations. Additionally, steel pipes have excellent thermal conductivity, making them ideal for transporting fluids at high temperatures. Lastly, steel pipes are readily available and can be easily fabricated and installed, ensuring efficiency and cost-effectiveness in marine applications.
Q:Can steel pipes be used for transporting slurry?
Steel pipes can indeed be utilized for the transportation of slurry. They find widespread application in several industries, such as mining, construction, and oil and gas, where they serve the purpose of conveying various types of fluids, including slurry. Slurry, typically comprising solid particles suspended in a liquid, primarily water, poses no challenge for steel pipes, as they possess the necessary robustness and endurance to handle its abrasive characteristics. Moreover, steel pipes exhibit exceptional resistance against corrosion, a crucial factor when confronted with slurry that may contain corrosive elements. Furthermore, the sleek interior surface of steel pipes plays a significant role in minimizing friction and ensuring the smooth and efficient flow of the slurry. In conclusion, steel pipes stand as a dependable and widely preferred option for the transportation of slurry due to their strength, durability, resistance to corrosion, and smooth inner surface.
Q:Will the steel tube dance?
In a single pole dance performance, the dancer moves more naturally, herself, moves and techniques, and does what she wants to do, while the style of dance is determined by herself, no one intervenes, and quite free.
Q:How do you calculate the pipe pressure loss coefficient for steel pipes?
To determine the pressure loss coefficient for steel pipes, one can utilize the widely accepted Darcy-Weisbach equation. This equation calculates the pressure loss in pipes caused by friction. It can be represented as follows: ΔP = f × (L/D) × (V^2/2g) In this equation: - ΔP represents the pressure loss in units of pressure, such as psi or Pa. - f denotes the Darcy friction factor, a dimensionless value. - L signifies the pipe length in units of length, such as feet or meters. - D represents the pipe diameter in units of length, such as feet or meters. - V indicates the fluid velocity flowing through the pipe in units of velocity, such as ft/s or m/s. - g represents the acceleration due to gravity in units of acceleration, such as ft/s² or m/s². The Darcy friction factor (f) is a dimensionless parameter that quantifies the amount of frictional resistance in the pipe. For steel pipes, this factor can be determined using the Moody diagram. The Moody diagram presents a graphical relationship between the Reynolds number (Re) and the friction factor (f) for various pipe roughness values. To calculate the pressure loss coefficient, one should find the friction factor (f) value based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is calculated as follows: Re = (ρ × V × D) / μ In this equation: - ρ represents the fluid density in units of mass per unit volume, such as lb/ft³ or kg/m³. - V denotes the fluid velocity in units of velocity, such as ft/s or m/s. - D signifies the pipe diameter in units of length, such as feet or meters. - μ represents the dynamic viscosity of the fluid in units of force per unit area per unit time, such as lb/ft·s or kg/m·s. Once the Reynolds number (Re) and the relative roughness (ε/D) are determined, one can refer to the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated using the following formula: K = f × (L/D) In this equation: - L represents the pipe length in units of length, such as feet or meters. - D denotes the pipe diameter in units of length, such as feet or meters. By utilizing the Darcy-Weisbach equation and the Moody diagram, one can accurately calculate the pressure loss coefficient for steel pipes. This calculation is crucial for the design and analysis of fluid flow systems.
Q:How are steel pipes protected from damage during transportation?
Various methods are used to protect steel pipes from damage during transportation. One commonly employed technique involves applying protective coatings to the pipes. Materials like epoxy, zinc, or polyethylene are often used for this purpose, creating a barrier between the pipe and external elements. These coatings effectively prevent corrosion and damage during transit. In addition, steel pipes are frequently bundled together and secured using straps or bands. This bundling ensures that the pipes remain in place and prevents any shifting or rolling during transportation. Furthermore, padding or cushioning materials, such as foam or rubber, may be utilized to provide extra protection and reduce the risk of damage from impact or vibration. Sometimes, steel pipes are placed in crates or containers to provide further safeguarding. Crates are designed to snugly fit the pipes, offering a secure enclosure that shields against external forces. On the other hand, containers create a protective environment for the pipes, shielding them from the elements and potential impacts. To guarantee the safe transportation of steel pipes, proper handling and loading techniques are crucial. Pipes should be lifted and loaded onto transport vehicles with care, utilizing suitable equipment like cranes or forklifts to minimize the risk of damage. It is also essential to properly secure the pipes within the transport vehicle to prevent any movement or potential damage during transit. Overall, a combination of protective coatings, bundling, padding, and secure packaging or loading techniques is employed to ensure the safety of steel pipes during transportation. These measures guarantee that the pipes arrive at their destination in optimal condition, ready for use in various applications.
Q:What is the difference between black and galvanized steel pipes?
The main difference between black and galvanized steel pipes lies in their coating. Black steel pipes are untreated and have a dark, uncoated appearance, while galvanized steel pipes are coated with a layer of zinc to prevent corrosion. This zinc coating on galvanized pipes helps protect against rust and extends their lifespan, making them suitable for outdoor and exposed applications. Black steel pipes, on the other hand, are typically used for indoor applications and are often painted or coated after installation to prevent rusting.
Q:How are steel pipes used in the construction of airports?
Steel pipes are used in the construction of airports for various purposes such as drainage systems, fuel pipelines, water supply networks, and structural support for buildings and runways.
Q:What are the different testing methods used for steel pipes?
There are various testing methods used for steel pipes, including non-destructive testing methods such as ultrasonic testing, magnetic particle testing, radiographic testing, and liquid penetrant testing. These methods help detect any defects or flaws in the pipes, ensuring their quality and integrity. Additionally, destructive testing methods such as tensile testing, impact testing, and hardness testing are also used to evaluate the mechanical properties of the steel pipes.
Q:Can steel pipes be used for oil and gas pipelines?
Yes, steel pipes can be used for oil and gas pipelines. Steel pipes are widely used for their strength, durability, and resistance to corrosion, making them a suitable choice for transporting oil and gas over long distances.

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