LSAW Steel Pipe API Double Submerged Arc Welded Steel Pipe for Construction Structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 10000 m.t./month
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LSAW Pipe
LSAW / Longitudinally Submerged Arc Welded Steel Pipe
Outer Diameter： 400-1520mm
Wall Thickness： 8mm ~ 50mm
Length： 3m ~ 12.3m
Standard / Steel Grade
API5LPSL1/PSL2Gr.B,X42~X80,ASTMA252Gr.2,Gr.3,ASTMA53Gr.B
EN10217-1,EN10219-1,EN10025 S235JR,S275JR,S355JR, EN10224 L235,L275,L355,DIN 1629 ST37,ST44,ST52
GB/T9711.1-1997,GB/T9711-2011: L245~L555
GB/T3091-2008:Q235B,Q345B,20#,16Mn etc.
Usage
For conveying petroleum, natural gas, coal gas,drainage,water, chemical material and other medium/low pressure liquids and used for piling project, electric power projects, heat-supply, shipbuilding & construction projects.
Delivery Condition
Beveled or plain ends with or without protector or protective caps with or without varnish/2PP/2PE/3PE/ 3PP/FBE external anti-corrosive coating with or without cement mortar/ /Liquid type epoxy resin/ FBE internal anti-corrosive coating as per customer's requirements
- Q: How are steel pipes used in the manufacturing of wastewater treatment systems?
- Steel pipes are used in the manufacturing of wastewater treatment systems for various purposes such as carrying and transporting wastewater, providing structural support to the system, and facilitating the flow of water and chemicals throughout the treatment process.
- Q: How do you calculate the pipe head loss for steel pipes?
- To calculate the pipe head loss for steel pipes, you can use the Darcy-Weisbach equation. This equation relates the head loss (hL) to the flow rate (Q), pipe diameter (D), pipe length (L), fluid density (ρ), fluid velocity (V), and a friction factor (f). The formula is as follows: hL = (f * (L/D) * (V^2))/(2g) Where: - hL is the head loss (measured in meters) - f is the friction factor (dimensionless) - L is the pipe length (measured in meters) - D is the pipe diameter (measured in meters) - V is the fluid velocity (measured in meters per second) - g is the acceleration due to gravity (usually taken as 9.81 m/s^2) The friction factor (f) depends on the Reynolds number (Re) of the flow, which is a dimensionless quantity representing the ratio of inertial forces to viscous forces. The Reynolds number can be calculated as: Re = (ρ * V * D) / μ Where: - Re is the Reynolds number (dimensionless) - ρ is the fluid density (measured in kg/m^3) - V is the fluid velocity (measured in meters per second) - D is the pipe diameter (measured in meters) - μ is the dynamic viscosity of the fluid (measured in Pa·s or N·s/m^2) The friction factor (f) can be obtained from empirical correlations or from Moody's diagram, which relates it to the Reynolds number and the relative roughness of the pipe surface. By substituting the calculated friction factor (f) and other known values into the Darcy-Weisbach equation, you can determine the head loss in the steel pipe. It is important to note that the head loss is a measure of energy loss due to friction and other factors, and it is typically expressed in terms of pressure drop or height difference.
- Q: Are steel pipes suitable for hydronic heating systems?
- Yes, steel pipes are suitable for hydronic heating systems. Steel pipes are known for their durability, strength, and resistance to high temperatures and pressure, making them an excellent choice for circulating hot water in hydronic heating systems. They can effectively handle the demands of heating systems and provide reliable and long-lasting performance.
- Q: What are the advantages of using steel pipes in the manufacturing of appliances?
- There are several advantages of using steel pipes in the manufacturing of appliances. Firstly, steel pipes offer high strength and durability, making them ideal for handling heavy loads and withstanding harsh conditions. Secondly, steel pipes have excellent corrosion resistance, ensuring longevity and preventing damage from exposure to moisture or chemicals. Furthermore, steel pipes provide a smooth interior surface, promoting efficient flow of liquids or gases within the appliances. Lastly, steel pipes are recyclable, making them a sustainable choice and contributing to environmental conservation.
- Q: Can steel pipes be used for underground transportation tunnels?
- Underground transportation tunnels can indeed utilize steel pipes. For a multitude of purposes like water, gas, and sewage transportation, steel pipes are commonly employed in the construction of these tunnels. Renowned for their resilience, durability, and ability to resist corrosion, steel pipes are remarkably suitable for underground applications. With the capacity to endure the weight and pressure exerted by the nearby soil, they can also be reinforced to guarantee stability. Moreover, steel pipes offer flexibility in tunnel design as they can be manufactured in various sizes and lengths. Nonetheless, one must carefully consider factors such as soil conditions, load-bearing capacity, and potential environmental impacts before opting for steel pipes in underground transportation tunnels.
- Q: What are the different standards for steel pipe manufacturing?
- There are several different standards for steel pipe manufacturing, including the American Society for Testing and Materials (ASTM), International Organization for Standardization (ISO), and the American National Standards Institute (ANSI). These standards outline the specifications for various aspects of steel pipe production, such as dimensions, material composition, mechanical properties, and testing procedures to ensure quality and safety.
- Q: How are steel pipes repaired if they are damaged?
- Steel pipes can be repaired if they are damaged through various methods such as welding, patching, or replacing the damaged section with a new pipe. The specific repair technique depends on the extent and nature of the damage.
- Q: What place must use galvanized steel pipe to make lighting line?
- Galvanized steel is widely used in construction, machinery, coal, chemical industry, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.
- Q: What are the different pressure ratings for steel pipes?
- The different pressure ratings for steel pipes can vary depending on factors such as pipe size, wall thickness, and the type of steel used. Common pressure ratings for steel pipes range from 150 psi (pounds per square inch) to 2500 psi or higher.
- Q: How are steel pipes used in the construction of underground parking garages?
- Steel pipes are commonly used in the construction of underground parking garages for various purposes such as drainage, ventilation, and structural support. They are used as conduits for underground utilities, including water supply and sewage systems. Additionally, steel pipes are often used as piling or foundation elements to provide stability and support to the structure, especially in areas with challenging soil conditions. Overall, steel pipes play a crucial role in ensuring the functionality and durability of underground parking garages.
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LSAW Steel Pipe API Double Submerged Arc Welded Steel Pipe for Construction Structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5 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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