• Welded ERW Steel Pipe Q235 System 1
  • Welded ERW Steel Pipe Q235 System 2
Welded ERW Steel Pipe Q235

Welded ERW Steel Pipe Q235

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
35 m.t.
Supply Capability:
12000 m.t./month

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1Structure of Welded Black ERW Steel Pipe:

ERW steel pipe is electric resistance welding, the abbreviation for ERW for transporting oil and natural gas vapor liquid objects, can meet the requirements of high and low pressure, the transport in the world with pipe sector accounted for a pivotal position.

 

2‍‍Main Features of Welded Black ERW Steel Pipe:

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price 

• Small inertia resistance

• Strong heat dissipation ability

 

3Welded Black ERW Steel Pipe Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, 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 Welded Black ERW Steel Pipe: 

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 Welded Black ERW Steel Pipe Images ‍‍

Q:How are steel pipes transported from the manufacturing site to the construction site?
Steel pipes are typically transported from the manufacturing site to the construction site through various means, including trucking, rail transportation, and sometimes even by barges or ships for longer distances. The chosen mode of transportation depends on factors such as the distance between the sites, the quantity and size of the pipes, and the available infrastructure.
Q:What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
Carbon steel is actually relative to alloy steel, mainly carbon content, and 20# seamless steel is carbon steel! In addition, there are stainless steel, stainless steel is considered a kind of alloy steel, but the processing is not the same, the performance is not the same, good looking outside!The description of the material in alloy steel is actually the content of the metal elements in the steel (usually the percentage number).
Q:How do you join steel pipes together?
Steel pipes can be joined together using various methods, including welding, threaded connections, flanges, and mechanical couplings. The most common method is welding, where the ends of the pipes are heated and fused together using a welding electrode. Threaded connections involve screwing the pipes together using male and female threads. Flanges are used for larger pipes and involve bolting two flanges together with a gasket in between. Mechanical couplings use compression or clamping mechanisms to connect pipes without the need for welding or threading.
Q:What are the different types of pipe fittings used with steel pipes?
There are several types of pipe fittings commonly used with steel pipes, including elbows, tees, reducers, couplings, unions, flanges, and valves.
Q:What is the process of coating steel pipes?
The process of coating steel pipes involves applying a protective layer on the surface of the pipe to prevent corrosion and increase its durability. This typically includes cleaning the pipe to remove any contaminants, followed by applying a primer to improve adhesion. The pipe is then coated with a layer of paint or a specialized coating material using a variety of techniques such as spraying, dipping, or electrostatic application. The coated pipe is then cured or dried to ensure the coating adheres properly. This process helps to ensure the longevity and performance of steel pipes in various applications.
Q:How are steel pipes used in the food processing industry?
Steel pipes are commonly used in the food processing industry for various purposes such as transporting liquids, gases, and solids, as well as for conveying hot water, steam, and chemicals. These pipes are known for their durability, corrosion resistance, and ability to withstand high temperatures, making them ideal for applications where strict hygiene and safety standards are essential. Steel pipes are used in food processing plants for tasks like transferring ingredients, transporting processed products, and maintaining a sterile environment through steam cleaning and sanitization processes.
Q:Can steel pipes be painted or coated?
Yes, steel pipes can be painted or coated. Painting or coating steel pipes is a common practice to protect them from corrosion, improve their appearance, or to meet specific industry requirements. The process involves cleaning the pipes to remove dirt, grease, and rust, followed by applying a primer and then the desired paint or coating. The choice of paint or coating depends on the intended use of the pipes. For example, epoxy coatings are often used for water or wastewater pipelines, while high-temperature resistant coatings are applied to pipes used in industrial settings. Overall, painting or coating steel pipes can enhance their durability and performance.
Q:How do you calculate the deflection of a steel pipe?
To calculate the deflection of a steel pipe, you need to consider various factors such as the material properties, applied loads, and geometrical characteristics. The following steps can guide you through the process: 1. Determine the material properties: Obtain the necessary information about the steel pipe, such as its Young's modulus (E), which represents its stiffness or resistance to deformation. This value is typically provided by the manufacturer or can be found in material databases. 2. Analyze the applied loads: Identify the types and magnitudes of the loads acting on the steel pipe. These loads can include point loads, distributed loads, or a combination of both. Determine the location and orientation of the applied loads as well. 3. Evaluate the pipe's geometry: Measure or obtain the dimensions of the steel pipe, including its length (L), outer diameter (D), and wall thickness (t). Ensure that these values are accurate to achieve a precise calculation. 4. Select an appropriate calculation method: Depending on the complexity of the loading and support conditions, you may need to use either simple beam theory or more advanced structural analysis methods, such as the finite element method (FEM). 5. Apply the appropriate equations: For simple beam theory, you can use the Euler-Bernoulli beam equation to calculate the deflection at a specific point on the pipe. This equation is based on assumptions that the pipe is homogeneous, linearly elastic, and subjected to small deflections. For more complex scenarios, FEM software can handle the calculations. 6. Determine the boundary conditions: Identify the support conditions at both ends of the pipe, which can include fixed supports, simply supported ends, or combinations of both. These conditions significantly affect the pipe's deflection. 7. Calculate the deflection: Using the equations relevant to your chosen method and incorporating the material properties, applied loads, and geometry, you can calculate the deflection at specific points along the steel pipe. The deflection can be measured in terms of vertical displacement or angular rotation. It is important to note that calculating the deflection of a steel pipe may require specialized engineering knowledge and software tools. If you lack experience in structural analysis, it is advisable to consult a professional engineer to ensure accurate results and safe design.
Q:What are the standard dimensions for steel pipes?
The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.
Q:Why should the weak electricity be pre buried with galvanized steel pipe?
Galvanized steel pipe mainly because of anti-interference and electrical connectivity, to prevent other strong magnetic strong signal interference weak signal, while in the electrical connection, galvanized steel pipe can be directly connected to the bridge.

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