Welded Black ERW Pipe GB9711.2 ERW Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 5600 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: What is the primary purpose of steel pipes?
- The primary purpose of steel pipes is to transport fluids and gases, such as water, oil, and natural gas, over long distances efficiently and safely. They are commonly used in various industries including construction, oil and gas, and infrastructure development.
- Q: What are the different coating materials used for steel pipes?
- Some common coating materials used for steel pipes include epoxy, polyethylene, polyurethane, and coal tar enamel. These coatings are applied to protect the steel from corrosion and provide a barrier against environmental elements.
- Q: How do steel pipes perform in extreme weather conditions?
- Steel pipes are highly resilient and perform exceptionally well in extreme weather conditions. They have excellent resistance to corrosion, impact, and temperature variations, making them ideal for withstanding harsh environments such as extreme heat, cold, and heavy rainfall. Moreover, steel pipes are known for their durability and strength, ensuring that they can withstand the forces exerted by high winds, snow, and even seismic activities. Overall, steel pipes are a reliable choice for various applications in extreme weather conditions.
- Q: What are the dimensions of a standard steel pipe?
- The dimensions of a standard steel pipe can vary depending on its intended use, but common dimensions include a nominal size (such as 1/2 inch, 1 inch, 2 inches, etc.) and a schedule number indicating its wall thickness (such as Schedule 40 or Schedule 80). The outside diameter of the pipe can range from small sizes of less than half an inch to large sizes of several feet. The length of a standard steel pipe is typically 21 feet, although shorter lengths are also available.
- Q: How are steel pipes used in the manufacturing of railways?
- Steel pipes are used in various ways in the manufacturing of railways. One of the primary uses of steel pipes in this context is for the construction of the railway track itself. Steel pipes are used to create the rail tracks that form the foundation of the railways. These pipes are typically welded together to form long, sturdy tracks that can withstand the weight and pressure of trains passing over them. Steel pipes are also used in the manufacturing of railway bridges and tunnels. These structures require strong and durable materials to ensure the safety and stability of the railway system. Steel pipes are often used in the construction of the support structures or piers that hold up the bridges. They are also used in the creation of tunnels, providing structural support and stability. Additionally, steel pipes are used in the manufacturing of various railway components and equipment. For example, steel pipes are used in the fabrication of railway signaling systems, which are responsible for controlling the movement of trains and ensuring safety. These pipes are often used to house and protect the electrical wiring and other components of the signaling systems. Furthermore, steel pipes are used in the manufacturing of railway carriages and locomotives. These pipes are used to create the framework and structure of the train, providing strength and stability. They are also used for various other purposes, such as the creation of air conditioning systems, brake systems, and fuel delivery systems within the train. Overall, steel pipes play a crucial role in the manufacturing of railways. They are used for the construction of rail tracks, bridges, tunnels, and various railway components and equipment. The strength and durability of steel make it an ideal material for ensuring the safety and efficiency of railway systems.
- Q: How do you calculate the pipe flow rate for steel pipes?
- In order to calculate the flow rate of steel pipes, one must take into account various factors. Initially, the inside diameter of the pipe, which is commonly represented as D, needs to be determined. Subsequently, the length of the pipe, denoted as L, should be measured. Furthermore, one must be aware of the pressure drop, ΔP, across the pipe and the density of the fluid, ρ. Once all this information is obtained, either the Darcy-Weisbach equation or the Hazen-Williams equation can be utilized to calculate the flow rate. The Darcy-Weisbach equation is typically employed for pipes with turbulent flow, whereas the Hazen-Williams equation is commonly used for pipes with laminar flow. For the Darcy-Weisbach equation, the formula is as follows: Q = (π/4) * D^2 * √(2ΔP/ρ) Here, Q denotes the flow rate in cubic meters per second, D represents the inside diameter of the pipe in meters, ΔP signifies the pressure drop across the pipe in pascals, and ρ stands for the fluid density in kilograms per cubic meter. On the other hand, for the Hazen-Williams equation, the formula is as follows: Q = C * (D^2.63) * (ΔP^0.54) * (L^0.63) In this case, Q represents the flow rate in cubic meters per second, D denotes the inside diameter of the pipe in meters, ΔP signifies the pressure drop across the pipe in pascals, L represents the length of the pipe in meters, and C represents the Hazen-Williams coefficient, which relies on the roughness of the pipe. To ensure an accurate calculation of the pipe flow rate, it is imperative to maintain consistent units of measurement throughout the calculation. Additionally, precise measurements of the inside diameter, length, pressure drop, and fluid density are crucial in obtaining reliable results.
- Q: How are steel pipes coated to prevent external corrosion?
- Steel pipes are coated to prevent external corrosion through a process called external coating. This typically involves applying a layer of protective material, such as epoxy or polyethylene, onto the surface of the steel pipe. The coating acts as a barrier, preventing moisture and other corrosive substances from coming into contact with the steel. This helps to prolong the life of the pipe and maintain its structural integrity.
- Q: Can steel pipes be used for culvert applications?
- Yes, steel pipes can be used for culvert applications. Steel pipes are commonly used for culverts due to their strength, durability, and resistance to corrosion. They are capable of handling heavy loads and can withstand harsh environmental conditions, making them suitable for various culvert applications such as road and railway crossings, drainage systems, and stormwater management.
- Q: How are steel pipes used in the electronics industry?
- Steel pipes are commonly used in the electronics industry for various purposes such as cable management, structural support, and heat dissipation. They are often used to protect and organize cables and wires, ensuring efficient and organized routing of electrical connections. Steel pipes also provide structural support for electronic equipment, serving as a framework for mounting components and ensuring stability. Additionally, steel pipes are used for heat dissipation, allowing for the efficient cooling of electronic devices, which is crucial for maintaining optimal performance and preventing overheating.
- Q: Can steel pipes be used for water supply networks?
- Yes, steel pipes can be used for water supply networks. They are commonly used for water distribution due to their durability, strength, and corrosion resistance. However, proper coating and maintenance are essential to prevent rusting and ensure the longevity of the steel pipes in water supply systems.
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Welded Black ERW Pipe GB9711.2 ERW Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 5600 m.t./month
OKorder Service Pledge
OKorder Financial Service
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