Spot 20# seamless steel tube high pressure seamless steel tube Q345B seamless steel
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
- Option:
- 76*5 89*6 Other size please phone me 114*8 133*10 108*8
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Item specifice
Main materials :10#, 20#, 35#, 45#, 20G, 40Cr, 20Cr, 16mn-45mn, 27SiMn, Cr5Mo, 12CrMo(T12), 12Cr1MoV, 12Cr1MoVG, 10CrMo910, 15CrMo, 35CrMo, 40CrMo, etc.
1. Seamless tubes for construction (GB/ t8162-2008) are seamless tubes for general construction and mechanical construction.
2. Seamless pipe for fluid transportation (GB/ t8163-2008) is a normal seamless pipe for the transportation of water, oil, gas and other fluids.
3. Seamless tube for low and medium pressure boiler (gb3087-2008) is a kind of seamless tube for hot rolling and cold drawing (rolling) of excellent carbon structure steel, which is used for making all kinds of superheated steam tube, boiling water tube, superheated steam tube for locomotive boiler, big pipe, small pipe and arch brick.
4. Seamless tube for high-pressure boiler (gb5310-2008) is a seamless tube of excellent carbon steel, alloy steel and stainless heat-resistant steel for the heating surface of water-tube boiler with high pressure and above pressure.
5. High pressure seamless tubes for fertilizer equipment (gb6479-2000) are excellent carbon structural steel and alloy steel seamless tubes suitable for chemical equipment and pipelines with operating temperature of -40~400℃ and working pressure of 10~30Ma.
6. Seamless tubes for petroleum cracking (gb9948-2006) are seamless tubes for furnace tubes, heat exchangers and pipelines used in petroleum refineries.
7. The steel pipe for geological drilling (yb235-70) is the steel pipe for core drilling in geological part, which can be divided into drill pipe, drill collar, core pipe, casing pipe and deposition pipe, etc.
8. Seamless pipe for diamond core drilling (gb3423-82) is a seamless pipe for drilling drill pipe, core rod and casing for diamond core drilling.
9. The oil drilling pipe (yb528-65) is a seamless pipe with internal or external thickening at both ends for oil drilling.
10. Seamless carbon steel tubes for ships (gb5312-85)
11.Seamless steel tubes (GB/ t18984-2003) for cryogenic piping are used for -45℃ ~ -195℃ cryogenic pressure vessel piping and cryogenic heat exchanger piping
company introduction:
Our company is a new force established by the pipe industry group founded in the 1980s. Relying on a large number of core technologies accumulated by the group, as well as strict quality control, physical and chemical testing, it carries out professional pipe fitting management in strict accordance with various standards.Products are widely used in petroleum, petrochemical, chemical, thermal power, boiler, four pipelines, fertilizer, aviation nuclear power, metallurgy, shipbuilding, machinery and military fields.
The main products of our company mainly include elbow, elbow, tee, reducing pipe, pipe cap, sharp elbow, flange, socket, forged pipe fittings and difficult pipe fittings.In addition, our company always has alloy steel tubes, seamless steel tubes for high-pressure boilers.Middle and low pressure boiler tube, low temperature steel tube, pipeline steel tube and so on after 10,000 tons.
- Q:How are steel pipes protected against lightning strikes?
- Steel pipes are protected against lightning strikes by installing lightning rods or grounding systems near the pipes. These systems provide a path of least resistance for lightning to follow, diverting the electrical current away from the pipes and minimizing the risk of damage or explosions.
- Q:Can steel pipes be used for scaffolding and support structures?
- Yes, steel pipes can be used for scaffolding and support structures due to their high strength, durability, and versatility. Steel pipes are capable of bearing heavy loads, providing stability and safety in construction projects. They are commonly used in the construction industry for scaffolding, temporary support structures, and as a framework for various building applications.
- Q:What is the difference between steel pipes and HDPE pipes?
- Steel pipes and HDPE pipes are both commonly used for various applications, but they differ in their composition and characteristics. Steel pipes are made from a combination of iron and carbon, offering high strength, durability, and resistance to extreme temperatures and pressure. They are commonly used in industries like oil and gas, construction, and plumbing. On the other hand, HDPE pipes are made from high-density polyethylene, a thermoplastic material known for its flexibility, corrosion resistance, and lightweight nature. HDPE pipes are often used in water supply and drainage systems, as well as for underground and aboveground applications. Ultimately, the choice between steel pipes and HDPE pipes depends on the specific requirements of the project, including factors such as cost, application, and environmental conditions.
- Q:How are steel pipes used in the automotive exhaust systems?
- Steel pipes are commonly used in automotive exhaust systems because steel is a durable and heat-resistant material. Steel pipes are used to transport the exhaust gases from the engine to the muffler and tailpipe, ensuring that the gases are safely and efficiently expelled from the vehicle. These pipes are designed to withstand high temperatures, corrosion, and vibration, making them an essential component in the exhaust system.
- Q:How do you calculate the pipe flow rate for steel pipes?
- To calculate the pipe flow rate for steel pipes, you can use the Hazen-Williams equation or the Darcy-Weisbach equation. These equations take into consideration factors such as the pipe diameter, length, roughness, and the pressure difference between the two ends of the pipe. By plugging in these values into the respective equation, you can determine the flow rate of the fluid passing through the steel pipe.
- Q:What is the difference between ERW and SAW steel pipes?
- ERW (Electric Resistance Welded) steel pipes are manufactured by rolling metal sheets and then welding the seams using high-frequency electrical currents. SAW (Submerged Arc Welded) steel pipes, on the other hand, are formed by welding the seams using a submerged arc welding process. The main difference between the two lies in the welding method and the resulting quality of the weld. ERW pipes tend to have a smoother and more consistent weld, while SAW pipes have a slightly rougher weld due to the submerged arc process. Additionally, SAW pipes are generally used for larger diameters and thicker walls, while ERW pipes are commonly used for smaller diameters and thinner walls.
- Q:Can steel pipes be used for conveying sewage sludge?
- Yes, steel pipes can be used for conveying sewage sludge. Steel pipes are commonly used in various industrial applications, including the transportation of sewage sludge. They are strong, durable, and resistant to corrosion, making them suitable for handling the potentially corrosive nature of sewage sludge.
- Q:How are steel pipes used in the manufacturing of scaffolding?
- Steel pipes are used in the manufacturing of scaffolding as they provide a sturdy and reliable structure for supporting workers and materials at various heights. These pipes are often used as the main framework, providing the necessary strength and stability required for safe and efficient construction work.
- Q:What are the limitations of using steel pipes?
- There are several limitations to using steel pipes in various applications. Firstly, steel pipes can be quite expensive compared to other materials such as plastic or copper. This cost factor can be a significant limitation for projects with tight budgets. Secondly, steel pipes are susceptible to corrosion. Over time, exposure to moisture and certain chemicals can cause steel pipes to rust and deteriorate. This can lead to leaks, reduced structural integrity, and ultimately, the need for costly repairs or replacement. Another limitation of steel pipes is their weight and rigidity. Steel pipes are generally heavier and less flexible than other types of pipes, making them more challenging to install and maneuver in certain settings. Additionally, their rigid nature makes them less suitable for applications that require significant movement or flexibility. Furthermore, steel pipes can be prone to thermal expansion and contraction. When exposed to extreme temperatures, steel pipes can expand or contract, potentially causing stress on joints, fittings, or other components. This can lead to leaks or even pipe failure if not properly accounted for. Lastly, steel pipes are not as resistant to certain chemicals or substances as other materials. Some chemicals can corrode or erode the inner lining of steel pipes, compromising their integrity and potentially causing contamination or leakage. While steel pipes have many advantages, it is important to consider these limitations when deciding on the most suitable material for a specific application.
- Q:How are steel pipes insulated to prevent condensation?
- Steel pipes are insulated to prevent condensation by wrapping them with a layer of insulation material, such as foam or fiberglass, which creates a barrier between the cold surface of the pipe and the surrounding air. This insulation helps to maintain the temperature of the pipe, preventing it from reaching the dew point and thus avoiding condensation.
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Spot 20# seamless steel tube high pressure seamless steel tube Q345B seamless steel
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
- Option:
- 76*5 89*6 Other size please phone me 114*8 133*10 108*8
OKorder Service Pledge
OKorder Financial Service
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