Welded Steel Tube Professional Supplier Steel Pipes

Welded Steel Tube Professional Supplier Steel Pipes

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Welded Steel Tube China Professional Supplier Steel Pipes

Product Description:

Structure of Welded Steel Tube ASTM DIN1829:

Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. 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 welded pipe and professioanl service.

‍‍Main Features:

• High manufacturing accuracy

• The higher strength

• The small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Satisfy price

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.

Welded Steel Tube Professional Supplier Steel Pipes

Q:Can steel pipes be used for conveying abrasive materials?: Yes, steel pipes can be used for conveying abrasive materials. Steel pipes are known for their durability and resistance to wear and tear, making them suitable for transporting abrasive substances such as sand, gravel, or chemicals. Additionally, steel pipes can handle high pressure and temperature conditions, further contributing to their suitability for conveying abrasive materials.

Q:What are the different types of supports used for aboveground steel pipes?: There are several types of supports commonly used for aboveground steel pipes, including pipe hangers, pipe clamps, pipe saddles, and pipe shoes. These supports are designed to provide stability and prevent excessive movement or vibration of the pipes, ensuring their proper alignment and preventing damage.

Q:What are the common methods for joining steel pipes?: There are several common methods for joining steel pipes, depending on the specific application and requirements. Some of the most commonly used methods include: 1. Welding: This is one of the most common methods of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding can be done using various techniques such as arc welding, MIG welding, TIG welding, or even laser welding. 2. Threaded connections: In this method, the ends of the steel pipes are threaded to create a male and female connection. These threaded ends are then screwed together using pipe threads. Threaded connections are commonly used for smaller diameter pipes and in low-pressure applications. 3. Flanged connections: Flanges are used to join steel pipes in applications that require easy assembly and disassembly or when frequent maintenance is needed. Flanges are flat, circular discs with bolt holes that allow the pipes to be bolted together. The flanges provide a strong and leak-proof connection. 4. Compression fittings: Compression fittings are used to join steel pipes without the need for welding or threading. They consist of a compression nut, a compression ring, and a compression sleeve. The nut is tightened onto the sleeve, compressing it against the pipe, creating a secure connection. 5. Grooved couplings: Grooved couplings are used to join steel pipes by creating a mechanical connection. The pipe ends are grooved, and a gasket is placed between the grooves. The couplings are then tightened, compressing the gasket and creating a tight seal. 6. Soldering or brazing: These methods involve using a filler metal that has a lower melting point than the steel pipes. The filler metal is heated and melted, allowing it to flow between the pipe joints, creating a bond. Soldering is typically used for smaller diameter pipes and low-pressure applications. Each joining method has its advantages and limitations, and the choice of method depends on factors such as the pipe diameter, the application, the working pressure, and the required durability of the joint. It is important to consider these factors and consult industry standards and guidelines when selecting the appropriate method for joining steel pipes.

Q:Can steel pipes be used for wastewater treatment?: Yes, steel pipes can be used for wastewater treatment. Steel pipes are commonly used in various stages of wastewater treatment processes, such as conveyance, distribution, and collection systems. They are durable, corrosion-resistant, and can withstand high-pressure conditions, making them suitable for transporting wastewater efficiently and safely. Additionally, steel pipes can be coated or lined to enhance their resistance to corrosion and improve their performance in harsh wastewater environments.

Q:Can steel pipes be used for steam applications?: Yes, steel pipes can be used for steam applications. Steel is a widely used material in steam systems due to its high strength, durability, and resistance to high temperatures and pressure. It is commonly used in industries such as power generation, refineries, and petrochemical plants for carrying and distributing steam. However, it is important to ensure that the steel pipes are properly designed, installed, and maintained to withstand the specific conditions and requirements of steam applications.

Q:Can steel pipes be used for the construction of high-rise buildings?: Yes, steel pipes can be used for the construction of high-rise buildings. Steel pipes offer several advantages such as high strength, durability, and resistance to fire, making them a suitable choice for supporting the structural load and ensuring the stability of tall structures. Additionally, steel pipes can be easily fabricated and installed, providing flexibility in design and construction.

Q:How are steel pipes used in the manufacturing of bridges?: Steel pipes are commonly used in the manufacturing of bridges as they provide structural support and stability. They are used for various purposes such as creating the framework, supporting the weight of the bridge, and constructing the foundations. Additionally, steel pipes are also used in the construction of bridge railings and barriers, ensuring safety for pedestrians and vehicles.

Q:Can steel pipes withstand high temperatures?: Yes, steel pipes can withstand high temperatures. Steel is known for its excellent thermal conductivity and high melting point, making it suitable for various applications that involve exposure to elevated temperatures.

Q:How are steel pipes used in the telecommunications sector?: Steel pipes are commonly used in the telecommunications sector for various purposes. Firstly, steel pipes are used as conduit for underground cable installations. These pipes provide protection and support to the fiber optic cables that carry data and voice signals across long distances. The sturdy nature of steel pipes ensures that the cables remain safe from external factors such as moisture, rodents, and accidental damage. Additionally, steel pipes are used in the construction of telecommunication towers and masts. These structures require a strong and durable material to support the weight of antennas, transmitters, and other equipment. Steel pipes, with their high tensile strength and resistance to harsh weather conditions, are ideal for this purpose. Moreover, steel pipes are used for the installation of overhead communication lines. These lines are often suspended between poles or towers, and steel pipes are used as supports or brackets to hold the cables in place. The corrosion-resistant properties of steel make it a reliable choice for outdoor installations that are exposed to the elements. In summary, steel pipes play a crucial role in the telecommunications sector by providing protection, support, and durability to cable installations, tower constructions, and overhead communication lines. Their strength and resistance to environmental factors make them an essential component in building and maintaining reliable telecommunications networks.

Q:How do you calculate the pipe head loss for steel pipes?: The Darcy-Weisbach equation is utilized for calculating the pipe head loss in steel pipes. This equation establishes a connection between the head loss (hL) and various factors such as the flow rate (Q), pipe diameter (D), pipe length (L), fluid density (ρ), fluid velocity (V), and the friction factor (f). The formula can be expressed as: hL = (f * (L/D) * (V^2))/(2g) Where: - The head loss (hL) is measured in meters - The friction factor (f) is dimensionless - The pipe length (L) is measured in meters - The pipe diameter (D) is measured in meters - The fluid velocity (V) is measured in meters per second - The acceleration due to gravity (g) is typically taken as 9.81 m/s^2 The friction factor (f) relies on the Reynolds number (Re) of the flow, which is a dimensionless quantity representing the ratio of inertial forces to viscous forces. The Reynolds number can be calculated using the following equation: Re = (ρ * V * D) / μ Where: - The Reynolds number (Re) is dimensionless - The fluid density (ρ) is measured in kg/m^3 - The fluid velocity (V) is measured in meters per second - The pipe diameter (D) is measured in meters - The dynamic viscosity of the fluid (μ) is measured in Pa·s or N·s/m^2 The friction factor (f) can be obtained from empirical correlations or from Moody's diagram, which establishes a connection between the Reynolds number, the relative roughness of the pipe surface, and the friction factor. By substituting the calculated friction factor (f) and other known values into the Darcy-Weisbach equation, the head loss in the steel pipe can be determined. It is important to note that the head loss represents the energy lost due to friction and other factors and is usually expressed in terms of pressure drop or height difference.

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