Stell Pipe Oil Pipe Welded Black ERW Pipe GB9711.2
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 7000 m.t./month
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1、Structure of Welded Black ERW Pipe GB9711.2 :
Welded Black ERW Pipe GB9711.2 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.With sound reputation and high quality , we will offer clients a wonderful business experience.
2、Main Features of Welded Black ERW Pipe GB9711.2 :
• High manufacturing accuracy
• High strength
• Good visual effect
• Good view and appearance
• Good shape
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、Welded Black ERW Pipe GB9711.2 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.
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 Pipe GB9711.2 :
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.
③Why 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 Pipe GB9711.2 Images：
- Q: How do you determine the maximum allowable stress for a steel pipe?
- Several factors need to be taken into account in order to determine the maximum stress that a steel pipe can withstand. The type of steel used in the pipe is of utmost importance, as different types have varying mechanical properties and strengths. Additionally, the dimensions and thickness of the pipe are significant factors in determining its maximum stress capacity. Generally, thicker pipes have higher stress limits compared to thinner ones. Furthermore, it is crucial to consider the operating conditions that the pipe will be exposed to. This includes the temperature, pressure, and the nature of the fluid flowing through the pipe. These conditions can greatly impact the maximum stress that the pipe can tolerate. For instance, high temperatures or corrosive fluids can weaken the steel and reduce its strength. Engineers typically rely on industry standards and codes, such as the ASME Boiler and Pressure Vessel Code and the API standards, to determine the maximum stress limit. These standards provide guidelines and formulas for calculating the maximum stress based on the material properties, dimensions, and operating conditions of the pipe. It is important to emphasize that determining the maximum stress limit is a critical step in ensuring the structural integrity and safety of the steel pipe. It requires a comprehensive understanding of the materials, design considerations, and industry standards. Therefore, it is advisable to seek guidance from experienced engineers or professionals who specialize in piping design and analysis to accurately determine the maximum stress that a steel pipe can withstand.
- Q: What is the impact of steel pipe size on flow rate and pressure?
- The size or diameter of a steel pipe has a significant impact on both flow rate and pressure. Firstly, the flow rate refers to the volume of fluid that can pass through the pipe per unit of time. A larger pipe diameter allows for a greater flow rate as there is more space for the fluid to move through. This is due to the fact that a larger cross-sectional area of the pipe offers less resistance to the flow of fluid. Therefore, increasing the size of the steel pipe will generally lead to an increase in flow rate. Secondly, the pressure within a pipe is influenced by its size. As the fluid flows through a pipe, it encounters resistance due to friction against the walls of the pipe. This resistance leads to a pressure drop along the length of the pipe. A smaller pipe diameter results in higher frictional losses, which leads to a greater pressure drop. On the other hand, a larger pipe diameter reduces frictional losses and therefore results in a lower pressure drop. Consequently, increasing the size of the steel pipe will generally lead to a decrease in pressure drop. It is important to note that while increasing the size of a steel pipe may generally result in a higher flow rate and lower pressure drop, there are other factors that can also affect these parameters. These include the fluid properties, the length and layout of the pipe, and any additional components such as valves or fittings. Therefore, it is crucial to consider all these factors and conduct proper calculations or simulations to accurately determine the impact of steel pipe size on flow rate and pressure in a specific system.
- Q: Can steel pipes be used for conveying sewage and wastewater?
- Yes, steel pipes can be used for conveying sewage and wastewater. Steel pipes are known for their strength, durability, and resistance to corrosion, making them suitable for transporting various types of fluids, including sewage and wastewater. Additionally, steel pipes can withstand high pressure and are capable of handling the abrasive and corrosive nature of sewage and wastewater, making them a reliable choice for such applications.
- Q: What are the different types of steel pipe fittings?
- There are several types of steel pipe fittings, including elbows, tees, couplings, unions, reducers, caps, plugs, and crosses.
- Q: How are steel pipes used in power plants?
- Power plants rely heavily on the extensive use of steel pipes for a variety of purposes. When it comes to transporting fluids and gases, steel pipes are the go-to choice. They effectively carry water, steam, and fuel (like oil or gas) throughout the power plant. The reason steel pipes are so widely used for this purpose is because of their exceptional strength and durability. They can withstand the high pressures and temperatures found in power plants without faltering. Another crucial role steel pipes play in power plants is in the boilers. They are an integral part of the boiler system, responsible for the transportation of hot gases and steam. These pipes are specifically designed to endure extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Moreover, steel pipes are utilized in the cooling systems of power plants. They facilitate the circulation of water to cool down essential equipment such as turbines and condensers. These pipes are built to withstand corrosion caused by the cooling water, all while maintaining the required flow rate and pressure. Additionally, steel pipes find their place in the construction of power plant structures. They are extensively used for fabricating support structures like frames, platforms, and walkways. Steel pipes possess excellent structural integrity and can bear heavy loads, making them the perfect choice for these applications. In conclusion, steel pipes fulfill a crucial role in power plants by efficiently transporting fluids and gases, serving as an essential component of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them indispensable in the operation of power plants.
- Q: Can steel pipes be used for water supply lines?
- Yes, steel pipes can be used for water supply lines. Steel pipes are commonly used in industrial and commercial applications for transporting water and other fluids. They offer a high level of durability and strength, making them suitable for high-pressure systems. Additionally, steel pipes have excellent resistance to corrosion, which is important for maintaining the quality and safety of the water supply. However, it is essential to ensure that the steel pipes used for water supply lines are properly coated or lined to prevent any potential contamination of the water.
- Q: How are steel pipes repaired in case of damage?
- Steel pipes are typically repaired by first identifying the damaged section of the pipe. Then, the damaged area is cut out and replaced with a new section of pipe. This new section is welded or clamped into place to ensure a secure connection. In some cases, epoxy or other sealants may be used to repair smaller cracks or leaks. Overall, the repair process aims to restore the structural integrity and functionality of the steel pipes.
- Q: How are steel pipes classified based on their wall thickness?
- Steel pipes are classified based on their wall thickness into three categories: standard, extra strong, and double extra strong.
- Q: How do steel pipes perform in seismic zones?
- Steel pipes perform well in seismic zones due to their high strength and ductility. They have the ability to absorb and distribute seismic energy, which helps in reducing the impact of earthquakes. Additionally, steel pipes are resistant to damage and deformation during seismic events, making them a reliable choice for infrastructure in earthquake-prone areas.
- Q: How are steel pipes used in the manufacturing of pulp and paper mills?
- Steel pipes are commonly used in the manufacturing of pulp and paper mills for various purposes. They are primarily utilized for transporting water, chemicals, and steam throughout the mill's processes. Steel pipes are also employed for structural support, such as in the construction of storage tanks, conveyors, and equipment frames. Additionally, they are used for providing compressed air, ensuring efficient operation of machinery and processes. Overall, steel pipes play a crucial role in facilitating the smooth functioning and efficient production of pulp and paper mills.
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Stell Pipe Oil Pipe Welded Black ERW Pipe GB9711.2
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 7000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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