Seamless steel pipe API,GB,ASTM,ASME,DIN high quality

Seamless steel pipe API,GB,ASTM,ASME,DIN high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 5000 m.t./month

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Seamless steel pipe ASTM A106/API 5L/ASTM A53 GR.B high quality

1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD +1%/-1%

WT +12.5%/-10%

12. Chemical composition:

Models of Steel Pipes	Chemical Component
Steel 20 (ASTM A106B)	C	Si	Mn	P	S	Cu	Ni	Cr
Steel 20 (ASTM A106B)	0.17~0.24	0.17~0.37	0.35~0.65	0.035max	0.035max	0.25max	0.25max	0.25max
Steel45 (ASTM 1045)	0.42~0.50	0.17~0.37	0.50~0.80	0.035max	0.035max	0.25max	0.25max	0.25max
16Mn(Q345B)	0.12~0.20	0.20~0.55	1.20~1.60	0.035max	0.035max	0.25max	0.25max	0.25max
45Mn2 ( ASTM1345)	0.42~0.49	0.17~0.37	1.40~1.80	0.035max	0.035max	0.3max	0.3max	0.30max

Q: How do you determine the required support spacing for steel pipes?: Various factors, including the diameter of the pipe, the strength of the material, the operating conditions, and local building codes and regulations, determine the required support spacing for steel pipes. When considering the diameter of the pipe, it is crucial to note that larger pipes generally need more frequent support to prevent excessive deflection and sagging compared to smaller pipes. The strength of the material is also a significant consideration, as pipes with greater strength can span longer distances without requiring additional support. The operating conditions of the pipe, such as the type of fluid being transported and the temperature, also play a role in determining the necessary support spacing. For instance, pipes carrying heavy or corrosive fluids may require more frequent support to prevent excessive stress and potential failure. Local building codes and regulations often provide specific guidelines for the minimum support spacing of steel pipes. These regulations take into account factors such as the diameter of the pipe, the strength of the material, the operating conditions, as well as safety and structural requirements. To accurately determine the required support spacing for steel pipes, it is essential to consult relevant codes, standards, and engineering guidelines. Additionally, working with qualified engineers and professionals experienced in pipe design and installation will ensure that the support spacing meets all necessary requirements, ensuring the safe and efficient operation of the piping system.

Q: Will the steel tube dance?: The steel tube dance tube has a rotating steel tube and a fixed steel tube, so that different types of steel pipe can be chosen according to the type of pipe dance performed by the dancer.

Q: How are steel pipes used in power plants?: Steel pipes are extensively used in power plants for various applications. One of the primary uses of steel pipes in power plants is for transporting fluids and gases. These pipes are used to carry water, steam, and fuel (such as oil or gas) throughout the power plant. The high strength and durability of steel make it an ideal material for these pipes, as they can withstand high pressure and temperature conditions. Steel pipes are also used in power plant boilers. They form an integral part of the boiler system, where they carry hot gases and steam. These pipes are designed to withstand extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Additionally, steel pipes are used in the cooling systems of power plants. Water is circulated through these pipes to cool down the equipment, such as turbines and condensers. The pipes are designed to withstand corrosion from the cooling water and maintain the required flow rate and pressure. Furthermore, steel pipes are used in the construction of power plant structures. They are used for the fabrication of support structures, such as frames, platforms, and walkways. Steel pipes provide excellent structural integrity and can withstand heavy loads, making them suitable for such applications. In summary, steel pipes play a vital role in power plants by transporting fluids and gases, serving as a part of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them an essential component in the operation of power plants.

Q: What is the impact of temperature on steel pipes?: The impact of temperature on steel pipes can vary depending on the specific conditions and application. Generally, high temperatures can cause steel pipes to expand, potentially leading to buckling or distortion. On the other hand, extremely low temperatures can make steel pipes more brittle and prone to cracking. It is crucial to consider the temperature range within which the steel pipes will operate to ensure their structural integrity and prevent any potential failures.

Q: What are the different factors affecting the flow rate of steel pipes?: The flow rate of steel pipes can be affected by multiple factors. Let's explore some of these factors: 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger pipes allow for greater flow rates as they provide a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also impacts the flow rate. Longer pipes tend to have higher friction losses, which can decrease the flow rate. Moreover, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important consideration. Viscous fluids, such as heavy oils, exhibit higher resistance to flow, resulting in lower flow rates. Conversely, less viscous fluids, like water, encounter lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe serves as a driving force for flow. A higher pressure difference will lead to a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner pipe surface influences the flow rate. Rough surfaces generate more turbulence and friction, thus resulting in a lower flow rate. Conversely, smoother surfaces minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which subsequently affect the flow rate. Higher temperatures generally decrease the viscosity of fluids, leading to increased flow rates. 7. Pipe material: The choice of pipe material impacts the flow rate due to varying roughness and resistance. Steel pipes, for instance, typically possess a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Understanding the interplay of these factors is essential for the design and optimization of fluid flow systems involving steel pipes.

Q: Can steel pipes be used for underground water supply pipelines?: Yes, steel pipes can be used for underground water supply pipelines. Steel pipes are strong, durable, and resistant to corrosion, making them suitable for underground applications. They are often used for water supply pipelines due to their high strength and ability to withstand high pressure and load. Additionally, steel pipes can be welded together, ensuring leak-free connections, and are available in various sizes to accommodate different water supply needs.

Q: How are steel pipes used in geothermal energy systems?: Steel pipes are commonly used in geothermal energy systems to facilitate the transport of fluids, such as water or steam, between the geothermal source and the power plant. These pipes are designed to withstand high temperatures and pressures, ensuring the safe and efficient transfer of geothermal fluids. Additionally, steel pipes are used in the construction of geothermal wells, providing structural support and maintaining the integrity of the wellbore.

Q: Are steel pipes suitable for transporting chemicals?: Yes, steel pipes are highly suitable for transporting chemicals. This is due to their excellent resistance to corrosion and high durability, ensuring the safe and efficient transportation of various chemicals over long distances.

Q: How do steel pipes handle chemical substances?: Steel pipes are highly resistant to chemical substances due to their high strength and corrosion-resistant properties. They can safely handle a wide range of chemical substances without undergoing any significant degradation or damage.

Q: How do steel pipes perform in high-temperature applications?: Steel pipes perform well in high-temperature applications due to their excellent heat resistance and structural integrity. The high melting point of steel allows it to withstand extreme temperatures without deformation or failure. Additionally, steel pipes have good thermal conductivity, which ensures efficient heat transfer in industrial processes.

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