HFW STEEL PIPE ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Name | Longitudinally welded steel pipe / ERW Steel pipe / Carbon steel pipe/ HFW steel pipe | |
Size | OD | 4"-32"/114mm-813mm |
Thickness | 6.5mm-20mm | |
Length | 6m-23m | |
Steel Material | GR.B X42 X52 X56 L245 L290 L360 L415 S245 S290 S360 S390 S355JR S275 | |
Standard | API 5L PLS 1/ASTM A53/ASTM A36/ASTM A500/EN10219/SS400/SS440 | |
Usage | Oil Pipe, Casing Tube, Line Pipe and Fluid (Water, Gas) Transmission | |
Surface | Bared Black Painting, Anti-Corrosion Coating | |
Proctor | Plastic cap | |
Package | Bundles, Bulk | |
Inspection | With Hydraulic Testing, Ultrasonic testing or X-ray Test | |
Certificate | API and ISO9001;2000 | |
Date of Delivery | Less Than 15/20/25/30/40/50/60 Days According To The Quantity | |
Payment: | L/C or T/T | |
Port of Shipment | Xingang,China | |
- Q: Are steel pipes suitable for underground oil pipelines?
- Yes, steel pipes are suitable for underground oil pipelines. Steel is a common material used for oil pipelines due to its high strength, durability, and resistance to corrosion. Underground oil pipelines are exposed to various external factors such as soil movement, moisture, and chemical substances, and steel pipes are able to withstand these conditions effectively. Additionally, steel pipes can be welded together to create a seamless and continuous pipeline, reducing the risk of leaks or ruptures. Moreover, steel pipes have been used successfully in the oil industry for many years, providing a reliable and cost-effective solution for transporting oil underground.
- Q: What is the difference between steel pipes and PVC-U pipes?
- Steel pipes and PVC-U pipes differ in their composition, durability, and application. Steel pipes are made from iron and carbon, providing them with high strength and resistance to extreme conditions. They are commonly used for transporting water, gas, and oil in industrial settings due to their durability and ability to withstand high pressure and temperature. PVC-U pipes, on the other hand, are made from a synthetic plastic called polyvinyl chloride. They are lightweight, corrosion-resistant, and easy to install, making them ideal for residential plumbing, irrigation systems, and drainage. While steel pipes are more robust and suitable for heavy-duty applications, PVC-U pipes are cost-effective, versatile, and suitable for lighter applications.
- Q: What are the different threading options for steel pipes?
- The different threading options for steel pipes include tapered thread, straight thread, and multiple thread options. Tapered threads are commonly used for pipes that carry fluids or gases under pressure, as they provide a tight seal. Straight threads are used for pipes that require a secure connection but do not need to be sealed tightly. Multiple thread options, such as double and triple threads, are used for high-pressure applications where a stronger connection is needed.
- Q: What are the common factors affecting the flow capacity of steel pipes?
- There are several common factors that can affect the flow capacity of steel pipes. 1. Pipe Diameter: The diameter of the pipe is one of the most significant factors affecting flow capacity. The larger the diameter, the greater the flow capacity as there is more area for the fluid to pass through. 2. Pipe Length: The length of the pipe also plays a role in flow capacity. Longer pipes generally have higher frictional losses, which can reduce the flow capacity. 3. Surface Roughness: The internal surface roughness of the steel pipe can impact flow capacity. Rough surfaces create more friction, which can reduce the flow rate. Smooth pipes, on the other hand, allow for smoother flow and higher flow capacity. 4. Fluid Properties: The properties of the fluid being transported through the steel pipe can affect flow capacity. Factors such as viscosity, temperature, and density can impact the flow rate. For example, highly viscous fluids will have lower flow capacity compared to less viscous fluids. 5. Pressure Drop: Pressure drop along the length of the pipe is another factor that affects flow capacity. As fluid flows through the pipe, there may be pressure losses due to friction, bends, or restrictions. Higher pressure drops result in lower flow capacity. 6. Pipe Material and Wall Thickness: The material of the steel pipe and its wall thickness can influence flow capacity. Different materials have different properties that can affect flow rates. Additionally, thicker walls can reduce the internal diameter of the pipe, resulting in lower flow capacity. 7. Pipe Layout and Fittings: The design and layout of the pipe system, including the presence of fittings such as valves, elbows, and tees, can impact flow capacity. These fittings can cause additional pressure drops and turbulence, reducing the overall flow rate. It is important to consider these factors when designing or evaluating a steel pipe system to ensure optimal flow capacity and efficiency.
- Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
- DN refers to the nominal diameter of the pipe, but this is neither the outside diameter nor the inside diameter, and the "Phi" means the outer diameter of the steel pipe. For example, the same nominal diameter of the steel pipe due to its different wall thickness, corresponding to the outer diameter is also different. As can be seen from the chart below:Project control table (commonly used) diameter pressure pipe standard pressure pipe standard pressure pipe standard specification DN- nominal diameter: diameter of large diameter series DN15- 22mm DN20- 27mm DN25- phi, Phi Phi Phi Phi 34mm, DN32- 42mm DN40- 48mm DN50- 60mm DN65-, Phi Phi 76 (73) mm, DN80- 89mm DN100- 114mm DN125- and Phi Phi Phi. 140mm DN150- 168mm DN200- 219mm DN250- phi, Phi Phi Phi Phi 273mm, DN300- 324mm DN350- 360mm DN400- 406mm DN450- 457mm DN500- and Phi Phi Phi Phi, 508mm DN600- 610mm, DN15- 18mm series of small diameter Phi Phi Phi, DN20- 25mm DN25- 32mm DN32- 38mm DN40- 45mm DN50- Phi Phi, Phi Phi Phi 57mm DN65- 73mm, DN80- 89mm DN100- 108mm, DN125- 133mm DN150- 159mm DN200- and Phi Phi Phi Phi, 219mm DN250- 273mm DN300- 325mm DN350- 377mm, Phi phi,
- Q: Can steel pipes be used for conveying natural gas?
- Certainly, natural gas can indeed be transported through steel pipes. In reality, steel pipes are frequently employed for this task owing to their robustness, long-lasting nature, and capacity to endure elevated pressures. Moreover, steel pipes exhibit exceptional resistance to corrosion, a vital feature when conveying natural gas containing impurities such as water and sulfur compounds. Furthermore, connecting various parts of the pipeline becomes effortless with steel pipes, thanks to their ease of welding. All in all, when it comes to conveying natural gas, steel pipes emerge as a trustworthy and secure option.
- Q: How are steel pipes protected from corrosion?
- Steel pipes are protected from corrosion through various methods such as applying protective coatings, galvanizing the pipes, or using corrosion inhibitors.
- Q: How can steel pipes be protected from corrosion?
- Steel pipes can be protected from corrosion through various methods such as applying protective coatings, using cathodic protection techniques, implementing proper maintenance and inspection procedures, controlling water chemistry, and utilizing corrosion inhibitors.
- Q: What are the dimensions of steel pipes?
- The dimensions of steel pipes can vary depending on the specific requirements and industry standards. However, steel pipes typically have standardized dimensions in terms of their outer diameter (OD), wall thickness, and length. The outer diameter of steel pipes can range from small sizes, such as ¼ inch (6.35 mm) or ⅛ inch (3.175 mm), to larger sizes like 48 inches (1219.2 mm) or even more for specialty applications. The wall thickness of steel pipes can also vary greatly, with options ranging from thin-walled pipes with a few millimeters of thickness to thick-walled pipes with several inches of thickness. In terms of length, steel pipes are typically produced in standard lengths of 20 feet (6.1 meters) or 40 feet (12.2 meters). However, custom lengths can also be manufactured based on specific project requirements. It is important to note that these dimensions are just general examples and may not cover all the possible variations in steel pipe sizes. Therefore, it is always recommended to consult relevant industry standards and specifications to determine the precise dimensions required for a particular application.
- Q: How are steel pipes protected against internal scaling?
- Internal coating or lining is a process employed to safeguard steel pipes from internal scaling. This entails applying a protective layer on the inside of the pipe to prevent the formation of scales or deposits. Multiple techniques are utilized for this purpose. One prevalent approach is the application of epoxy coatings. Epoxy, a resilient and corrosion-resistant material, forms a continuous barrier on the pipe's interior. It effectively hinders the accumulation of minerals and other substances that contribute to scaling. Epoxy coatings are commonly sprayed or brushed onto the inner surface of the pipe and then hardened to create a durable and smooth finish. Cement mortar lining is another method used to protect steel pipes from internal scaling. This involves applying a layer of cement mortar to the pipe's interior. The cement mortar acts as a barrier against scaling and offers additional corrosion protection. This lining process is typically employed for large-diameter pipes utilized in water distribution systems. Polyethylene (PE) lining is yet another technique deployed to safeguard steel pipes against internal scaling. PE lining necessitates the insertion of a high-density polyethylene liner into the pipe. This liner acts as a barrier against scaling and enhances fluid flow by reducing friction. PE lining is frequently used in applications that require a smooth interior surface, such as oil and gas pipelines. Apart from these methods, regular maintenance and cleaning of the pipes can also aid in preventing internal scaling. This may involve using chemical cleaning agents or mechanical cleaning techniques to eliminate any deposits that have formed on the pipe's interior surface. Overall, safeguarding steel pipes against internal scaling is vital to maintain their efficiency and prolong their lifespan. By employing various coating and lining methods, along with implementing appropriate maintenance practices, the risk of internal scaling can be significantly diminished.
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HFW STEEL PIPE ASTM A53 GR.B / ASTM A252 GR.2/ASTM A252 GR.3
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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