• BON STEEL GALVANIZED PIPE 1-4“ ASTM A53 BEST PRICE System 1
  • BON STEEL GALVANIZED PIPE 1-4“ ASTM A53 BEST PRICE System 2
  • BON STEEL GALVANIZED PIPE 1-4“ ASTM A53 BEST PRICE System 3
  • BON STEEL GALVANIZED PIPE 1-4“ ASTM A53 BEST PRICE System 4
BON STEEL GALVANIZED PIPE 1-4“ ASTM A53 BEST PRICE

BON STEEL GALVANIZED PIPE 1-4“ ASTM A53 BEST PRICE

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
1 m.t
Supply Capability:
10000 m.t/month

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1Structure of Seamless Pipe: 

Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.

 

2‍‍Main Features of the Seamless Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price

 

3Seamless Pipe 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) Executive 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 Seamless Pipe:  

How is the quality of your products?
     We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, 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?
    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.SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

6‍‍Seamless Pipe Images ‍‍

 

 

 

 

Q: Can steel pipes be used for cooling systems?
Steel pipes are a viable option for cooling systems. They are frequently employed in different scenarios, such as cooling systems, because of their robustness, strength, and ability to withstand high temperatures and pressure. Industrial cooling systems, in particular, benefit from steel pipes due to the harsh environmental conditions and corrosive fluids they often encounter. Moreover, steel pipes possess outstanding heat conductivity, which facilitates efficient heat transfer, rendering them a dependable choice for cooling purposes. Furthermore, steel pipes can be easily tailored, joined, and adjusted to fulfill specific cooling system needs. Nevertheless, it is crucial to ensure that the steel pipes utilized are adequately coated or insulated to prevent corrosion and minimize heat dissipation.
Q: How are steel pipes cleaned and maintained?
Steel pipes are cleaned and maintained through various methods. The process typically involves removing any debris or rust from the pipes using wire brushes or sandblasting. After cleaning, a protective coating is applied to prevent corrosion. Regular inspections and maintenance checks are also conducted to identify any potential issues such as leaks or weak points, ensuring the pipes remain in optimal condition.
Q: What are the different methods of measuring the thickness of steel pipes?
There are several methods of measuring the thickness of steel pipes. One common method is using ultrasonic thickness gauges, which send high-frequency sound waves through the pipe and measure the time it takes for the waves to bounce back. Another method is through magnetic induction, which uses a magnetic field to determine the thickness based on the changes in the field caused by the pipe's thickness. Additionally, there are mechanical methods such as using calipers or micrometers to directly measure the thickness of the pipe.
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: Can steel pipes be used for signposts or street lighting poles?
Yes, steel pipes can be used for signposts or street lighting poles. Steel pipes are often chosen for their durability, strength, and resistance to harsh weather conditions, making them suitable for supporting signs or street lighting fixtures.
Q: How are steel pipes insulated against heat loss?
Steel pipes are commonly insulated against heat loss by applying a layer of thermal insulation material around the pipes. This insulation material can be in the form of foam, mineral wool, or fiberglass. The insulation is typically wrapped tightly around the pipes and secured with adhesive or tape to ensure proper coverage. This insulation layer helps to reduce heat transfer through the pipe walls, thereby minimizing heat loss. Additionally, the insulation may be covered with a protective jacket or coating to provide further protection against external elements.
Q: How do steel pipes withstand high pressure and temperature?
Steel pipes are able to withstand high pressure and temperature due to their inherent properties and construction. Steel is known for its strength and durability, making it an ideal material for pipes used in demanding applications. Firstly, steel pipes are made from high-quality steel alloys that have been specifically designed to withstand extreme conditions. These alloys are chosen for their high tensile strength, which allows the pipes to withstand the internal pressure exerted by fluids or gases flowing through them. The steel used in these pipes is often alloyed with other elements such as chromium, molybdenum, or nickel to enhance its resistance to corrosion and high temperatures. Secondly, the construction of steel pipes plays a crucial role in their ability to withstand high pressure and temperature. Steel pipes are typically manufactured using a seamless or welded process. Seamless pipes are made by piercing a solid steel billet, resulting in a continuous and uniform pipe with no seams or joints. This seamless construction eliminates weak points and ensures that the pipe can handle high pressure without any risk of leakage. Welded pipes, on the other hand, are made by joining two or more pieces of steel together using a welding process. The welds are carefully inspected and tested to ensure their integrity and strength. Although welded pipes may have seams, they are equally capable of withstanding high pressure and temperature when manufactured to the appropriate standards. Additionally, steel pipes can be further reinforced to enhance their resistance to pressure and temperature. For instance, pipes used in extremely high-pressure applications may be thicker or have additional layers of protective coatings. These measures help to increase the strength and durability of the pipes, allowing them to withstand even higher pressures and temperatures. In summary, steel pipes are able to withstand high pressure and temperature due to the strength and durability of the steel alloys used in their construction. The seamless or welded construction of these pipes eliminates weak points and ensures their ability to handle extreme conditions. Additional reinforcement and protective coatings can be applied to further enhance their resistance to pressure and temperature.
Q: How do you calculate the pipe pressure loss coefficient for steel pipes?
To calculate the pipe pressure loss coefficient for steel pipes, you can use the Darcy-Weisbach equation, which is a widely accepted method for determining the pressure loss in pipes due to friction. The equation is as follows: ΔP = f × (L/D) × (V^2/2g) Where: - ΔP is the pressure loss (in units of pressure, such as psi or Pa) - f is the Darcy friction factor (dimensionless) - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) - V is the velocity of the fluid flowing through the pipe (in units of velocity, such as ft/s or m/s) - g is 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 represents the amount of frictional resistance in the pipe. For steel pipes, the friction factor can be determined using the Moody diagram, which is a graphical representation of the relationship between the Reynolds number (Re) and the friction factor (f) for different pipe roughness. To calculate the pressure loss coefficient, you need to find the value of the friction factor (f) based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is given by: Re = (ρ × V × D) / μ Where: - ρ is the density of the fluid (in units of mass per unit volume, such as lb/ft³ or kg/m³) - V is the velocity of the fluid (in units of velocity, such as ft/s or m/s) - D is the diameter of the pipe (in units of length, such as feet or meters) - μ is 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 you have the Reynolds number (Re) and the relative roughness (ε/D), you can use the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated as: K = f × (L/D) Where: - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) By using the Darcy-Weisbach equation and the Moody diagram, you can accurately calculate the pressure loss coefficient for steel pipes, which is essential for designing and analyzing fluid flow systems.
Q: What are the different types of corrosion that can affect steel pipes?
There are several types of corrosion that can affect steel pipes, including general or uniform corrosion, pitting corrosion, galvanic corrosion, crevice corrosion, and stress corrosion cracking.
Q: How are steel pipes used in the chemical industry?
Steel pipes are commonly used in the chemical industry for various applications including the transportation of corrosive chemicals, as well as for transferring fluids and gases at high temperatures and pressures. These pipes are durable, resistant to corrosion, and can withstand harsh working conditions, making them ideal for handling chemicals in industrial settings.

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