Welded Black ERW Steel Pipe Q235B Scaffolding Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 27 m.t.
- Supply Capability:
- 6000 m.t./month
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1、Structure of Welded Black ERW Steel Pipe Q235B:
ERW steel pipe is electric resistance welding, the abbreviation for ERW for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. 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.
2、Main Features of Welded Black ERW Steel Pipe Q235B:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、Welded Black ERW Steel Pipe Q235B 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.
7) Shippment : This will be done under the request of clilents with the standard and professional agency.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Welded Black ERW Steel Pipe Q235B:
①How 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.
②How 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.
With sound reputation and high quality , we will offer clients a wonderful business experience. Hope we have the opportunity to develop our busyness successfully hand in hand.
6、 Welded Black ERW Steel Pipe Q235B Images：
- Q:How do you prevent leaks in steel pipes?
- One effective way to prevent leaks in steel pipes is to apply a high-quality coating or lining to the pipes. This protective layer acts as a barrier, preventing corrosion and minimizing the chances of leaks. Regular inspection and maintenance are also crucial to identify any potential issues early on and address them promptly. Additionally, ensuring proper installation techniques, using durable and reliable fittings, and following industry standards can help minimize the risk of leaks in steel pipes.
- Q:What is the average lifespan of a steel pipe?
- The average lifespan of a steel pipe can vary depending on various factors such as its quality, usage conditions, maintenance, and exposure to external factors. However, on average, a properly installed and maintained steel pipe can last anywhere from 20 to 100 years or more.
- Q:What are the different methods of protecting steel pipes from corrosion?
- There are several methods of protecting steel pipes from corrosion. One common method is coating the pipes with materials such as epoxy, polyethylene, or fusion bonded epoxy, which create a barrier between the pipe's surface and corrosive elements. Another method is cathodic protection, which involves using sacrificial anodes or impressed current to prevent corrosion. Additionally, applying corrosion inhibitors or using corrosion-resistant alloys for manufacturing the pipes can provide protection. Regular maintenance, including inspections and cleaning, is also crucial to ensure the ongoing protection of steel pipes from corrosion.
- Q:What are the applications of steel pipes?
- Steel pipes are widely used in various industries and applications due to their exceptional strength, durability, and versatility. Some common applications of steel pipes include transportation of fluids and gases in oil and gas industry, water supply and drainage systems, structural support in construction projects, plumbing and heating systems, manufacturing of automobiles and machinery, and in the agricultural sector for irrigation and irrigation systems. Additionally, steel pipes are also used in the energy and power generation sector, chemical processing plants, and for underground and underwater installations.
- Q:What are the factors to consider when selecting the right steel pipe for a specific application?
- There are several factors to consider when choosing the appropriate steel pipe for a particular application. These factors encompass: 1. Compatibility with materials: Ensuring that the steel pipe is compatible with the substance it will transport or contain is crucial. Different materials may necessitate specific types of steel pipes to prevent corrosion or contamination. 2. Pressure and temperature requirements: The pressure and temperature conditions that the steel pipe will face should be taken into account. This will determine the necessary thickness and strength of the pipe to ensure it can withstand the intended operating conditions. 3. Size and dimensions: Selecting the size and dimensions of the steel pipe should be based on the flow rate, volume, and available installation space. It is vital to choose a pipe with the appropriate diameter and wall thickness to prevent flow restrictions or leaks. 4. Environmental conditions: The environment in which the steel pipe will be installed must be considered. Factors such as exposure to moisture, chemicals, or extreme temperatures may necessitate the use of specific coatings or materials to enhance the longevity and durability of the pipe. 5. Cost considerations: The cost of the steel pipe and its installation should be taken into account. Striking a balance between desired quality and available budget is essential to ensure the most cost-effective solution. 6. Regulatory compliance: Depending on the application, there may be specific industry regulations or standards that must be adhered to. Choosing a steel pipe that meets these requirements is important to ensure compliance and avoid any legal or safety issues. 7. Maintenance and lifespan: The maintenance requirements and expected lifespan of the steel pipe should also be considered. Some applications may require regular inspections or replacements, while others may require a more durable and long-lasting pipe. By carefully considering these factors, it is possible to select the appropriate steel pipe for a specific application that meets the desired performance, durability, and safety requirements.
- Q:How do you determine the wall thickness of a steel pipe?
- The wall thickness of a steel pipe can be determined by measuring the outer diameter (OD) and the inner diameter (ID) of the pipe, and then subtracting the ID from the OD.
- Q:What type of steel pipe for security windows?
- General anti-theft window through the round tube is 3 cm square tube, 22.5 mm diameter round tube, also can use all square tube to do, if you want to median 304, the pipe is estimated more expensive, the market to do the price in 60 to 110 range. As for plastic steel, Anhui conch brand, the price of 180 this way. Aluminum alloy 110 to 230 specific look what material?!
- Q:Can steel pipes be used for conveying oil?
- Steel pipes are suitable for the transportation of oil. In the oil and gas industry, steel pipes are widely utilized for the conveyance of oil due to their robustness, longevity, and resistance to corrosion. The exceptional strength of steel pipes enables them to endure the demanding conditions of high pressure and temperature that often accompany oil transportation. Furthermore, steel pipes are less susceptible to leakage and damage in comparison to alternative materials, thus making them a dependable choice for the efficient transfer of oil over extensive distances. Moreover, the sleek interior surface of steel pipes aids in reducing friction and improving the oil flow. Overall, steel pipes are the preferred option for oil transportation owing to their superior mechanical properties and enduring performance.
- Q:Are steel pipes suitable for structural purposes?
- Yes, steel pipes are suitable for structural purposes. Steel pipes are known for their strength, durability, and versatility, making them an excellent choice for various structural applications. They can withstand heavy loads, provide excellent structural support, and are resistant to corrosion and extreme weather conditions. Steel pipes are commonly used in construction projects, bridges, buildings, and infrastructure systems such as water and gas pipelines. Additionally, steel pipes can be easily welded, bent, and cut to meet specific structural requirements, making them highly adaptable for different construction needs. Overall, steel pipes are widely recognized as a reliable and efficient choice for structural applications.
- Q:How are steel pipes used in the construction of power transmission lines?
- Steel pipes are commonly used in the construction of power transmission lines due to their exceptional strength, durability, and versatility. These pipes serve various purposes throughout the project, contributing to the overall efficiency and reliability of the power transmission system. One primary application of steel pipes in power transmission line construction is for the installation of transmission towers. These pipes are used as structural components to support the transmission lines and maintain their alignment. The high strength of steel ensures that the towers can withstand the weight of the transmission lines, as well as external forces such as wind and ice loads. Moreover, steel pipes offer excellent resistance against corrosion, which is crucial for the longevity of the transmission tower structures. In addition to tower construction, steel pipes are also utilized for the underground transmission lines. These pipes act as conduits for the cables, protecting them from external elements and potential damage. Steel pipes are particularly advantageous in this application due to their ability to resist soil movement, withstand high pressure, and provide a secure pathway for the power cables. Furthermore, the durability of steel ensures the integrity and longevity of the underground transmission lines, reducing maintenance requirements and enhancing the overall reliability of the power transmission system. Furthermore, steel pipes are used for the construction of foundations and anchors for transmission towers. These pipes are driven deep into the ground to provide stability and support to the towers. The inherent strength and rigidity of steel pipes make them ideal for this purpose, as they can withstand the heavy loads and ensure the stability of the transmission towers even in adverse weather conditions. Overall, steel pipes play a crucial role in the construction of power transmission lines by providing structural support, protecting cables, and ensuring the overall reliability and efficiency of the transmission system. Their exceptional strength, durability, and resistance to corrosion make steel pipes an ideal choice for power transmission line construction projects.
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Welded Black ERW Steel Pipe Q235B Scaffolding Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 27 m.t.
- Supply Capability:
- 6000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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