Polyurethane foam insulation steel pipe steel sheath steel insulation steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Saw
Shape:
Round
Surface Treatment:
Coated,Black
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Thickness:
3-100mm
Length:
6-12m
Net Weight:
1t
Heat preservation steel pipe is a steel pipe which has been processed by thermal insulation technology and can ensure that the internal temperature and surface temperature of the steel pipe meet or meet the use requirements under the action of different working environments and external media.Heat preservation pipeline is widely used in liquid and gas transmission pipe network, chemical pipeline heat preservation project petroleum, chemical, central heating network, central air conditioning ventilation pipeline, municipal engineering and so on.
Polyurethane insulation is made of high-density polyethylene outer sleeve (wound glass steel tube, galvanized iron sheet, jacket tube), polyurethane foam insulation layer and inner working steel tube which are successively combined outward through the equipment.Used for indoor and outdoor pipeline, central heating pipeline, central air conditioning pipeline, chemical, pharmaceutical and other industrial pipeline insulation, cooling engineering, oil pipeline engineering, steam transportation pipeline engineering.
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: What is the difference between steel pipes and copper-nickel pipes?
- The main difference between steel pipes and copper-nickel pipes lies in their composition and characteristics. Steel pipes are primarily made of iron and carbon, whereas copper-nickel pipes are made of a combination of copper and nickel with trace amounts of other elements. Steel pipes are known for their strength and durability, making them suitable for a wide range of applications, particularly in industries where high pressure and temperature conditions are present. Steel pipes are also relatively cost-effective and have good corrosion resistance, especially when coated or galvanized. On the other hand, copper-nickel pipes are highly resistant to corrosion and have excellent heat transfer properties. They are commonly used in marine environments due to their resistance to saltwater corrosion. Copper-nickel pipes also exhibit antimicrobial properties, making them suitable for applications in healthcare and food processing industries. However, copper-nickel pipes are generally more expensive than steel pipes. In summary, steel pipes are valued for their strength and affordability, while copper-nickel pipes offer superior corrosion resistance and heat transfer properties, but at a higher cost. The choice between the two depends on the specific requirements of the application.
- Q: What are the different methods of pipe inspection for steel pipes?
- Steel pipes can be inspected using various methods. Here are some commonly employed techniques: 1. Visual Inspection: Trained inspectors visually examine both the exterior and interior of the pipe to detect any visible defects or abnormalities. This preliminary method is often used before more advanced techniques are applied. 2. Magnetic Particle Inspection (MPI): By applying a magnetic field to the steel pipe and iron particles to its surface, inspectors can identify surface cracks or defects. Leakage of magnetic flux caused by these abnormalities can be detected with this method, which is particularly effective for ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify internal defects or anomalies in steel pipes. A transducer sends ultrasonic waves into the pipe, and reflections or echoes of the sound waves are analyzed to determine the presence of defects, such as corrosion, cracks, or variations in wall thickness. 4. Radiographic Testing (RT): This method involves using X-rays or gamma rays to create an image of the internal structure of the steel pipe. The resulting image reveals any defects, such as cracks, corrosion, or weld discontinuities. RT is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that utilizes electromagnetic induction to detect surface and near-surface defects in steel pipes. By passing a coil carrying an alternating current over the pipe's surface, any changes in electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET involves detecting and analyzing high-frequency acoustic signals emitted by materials undergoing deformation or damage. In the case of steel pipes, AET can monitor and identify defects like cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These methods are just a few examples of commonly used techniques for inspecting steel pipes. The choice of method depends on factors such as the type of defect being sought, accessibility of the pipe, desired sensitivity level, and cost and time constraints. Using a combination of inspection techniques is often recommended to ensure a thorough assessment of steel pipes.
- Q: Can steel pipes be used for underground culverts?
- Yes, steel pipes can be used for underground culverts. Steel pipes are commonly used for underground culverts due to their strength, durability, and resistance to corrosion. They provide a reliable solution for conveying water or other fluids underground, ensuring efficient drainage and water management systems.
- Q: What is the difference between seamless steel pipe and welded pipe?
- The thicker the diameter, the more commonly the spiral weld. The seamless steel pipe is generally molten state molten steel through the annular slot backlog, and then stretched and other treatment process, so that there is no weld. On the performance, especially the pressure capacity of the steel pipe than ordinary steel has greatly improved, so often used for high voltage equipment.
- Q: Can steel pipes be used for conveying hazardous chemicals?
- Certainly, hazardous chemicals can indeed be conveyed through the use of steel pipes. Renowned for their exceptional strength and durability, steel pipes are ideally suited for the handling of various substances, including those that are hazardous. Their ability to withstand both high pressure and temperature ensures the secure transportation of these chemicals. Furthermore, steel pipes possess outstanding resistance to corrosion, a critical factor when dealing with potentially dangerous and corrosive materials. In addition, the ease with which steel pipes can be welded and connected allows for the establishment of a dependable and impervious transport system. Nevertheless, it is imperative to carefully consider the specific requirements of the chemicals being transported and diligently ensure that the steel pipes are appropriately designed, coated, and maintained, thereby averting any potential risks or reactions that may arise with the hazardous substances.
- Q: How are steel pipes used in the water supply system?
- Steel pipes are used in the water supply system to transport and distribute water efficiently and safely. They are durable, corrosion-resistant, and have a high carrying capacity, making them ideal for transporting large volumes of water over long distances. Steel pipes are commonly used for mains and transmission lines in water supply networks, ensuring a reliable and steady water flow to homes, businesses, and industries.
- Q: Can steel pipes be used for underground heating systems?
- Yes, steel pipes can be used for underground heating systems. Steel pipes are commonly used for this purpose due to their durability, strength, and resistance to corrosion. They can effectively transport hot water or steam to provide heating in underground systems.
- Q: How are steel pipes insulated against heat loss?
- Steel pipes are commonly insulated against heat loss by applying a layer of thermal insulation material around the pipes. This insulation material can be in the form of foam, mineral wool, or fiberglass. The insulation is typically wrapped tightly around the pipes and secured with adhesive or tape to ensure proper coverage. This insulation layer helps to reduce heat transfer through the pipe walls, thereby minimizing heat loss. Additionally, the insulation may be covered with a protective jacket or coating to provide further protection against external elements.
- Q: What is the difference between hot-finished and cold-finished steel pipes?
- Hot-finished and cold-finished steel pipes are distinguished by their manufacturing processes, resulting in different characteristics and uses. Hot-finished steel pipes are manufactured by heating a solid steel billet to a high temperature and then piercing it to create a hollow tube. This process is known as hot rolling. The hot rolling process ensures that the steel is malleable and can be easily shaped into the desired form. Hot-finished steel pipes have a rough surface and more rounded edges. They are typically larger in diameter and have thicker walls. These pipes are commonly used in applications that require high strength and resistance to pressure, such as in the oil and gas industry, structural projects, and heavy machinery. In contrast, cold-finished steel pipes are made through a process called cold drawing. This involves pulling the hot-finished steel pipe through a die at room temperature to reduce its diameter and achieve the desired shape. The cold drawing process provides a more precise and smoother finish to the steel pipes. Cold-finished steel pipes have a smoother surface and sharper edges compared to hot-finished pipes. They are generally smaller in diameter and have thinner walls. Cold-finished steel pipes are commonly used in applications that require precise dimensions, such as automotive parts, construction components, and machinery manufacturing. Overall, the main difference between hot-finished and cold-finished steel pipes lies in their manufacturing processes, resulting in variations in surface finish, dimensions, and applications. Hot-finished pipes are suitable for high-strength and pressure-resistant applications, while cold-finished pipes are ideal for precise dimensions and smooth surface requirements.
- Q: What are the common grades of steel used in pipes?
- The common grades of steel used in pipes include carbon steel, stainless steel, and alloy steel.
Send your message to us
Polyurethane foam insulation steel pipe steel sheath steel insulation steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
