Industrial use of dual phase stainless steel seamless steel pipe

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 1000 m.t./month

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Specifications

Duplex stainless seamless steel pipe/tube
Features:
Austenitic duplex Seamless Steel Pipe
Standard:S31803 S32304

Features:

duplex Seamless Steel Pipe /tube
Standard:S31803 S32304

We export main products include Stainless Steel Pipe,seamless stainless steel pipe,welded

Stainless Steel Pipe and so on .

seamless duplex stainless Steel Pipe:

1) Type: austenitic.

2) Process method:cold drawn orcold roll with cold filtered.

3) Standard: S31803 S32304

4) Diameter: 2mm to 910mm.

5) Wall thinkness: 0.5mm to 45mm.

6) Applications: petrol-chemical project, food industry,heat exchanger,nuclear power

station,offshore platform,electric power industry and etc.

Outer packing

In bundles or seaworthy wooden cases.

Q: How do steel pipes handle thermal expansion and contraction?: The unique properties and design of steel pipes enable them to handle thermal expansion and contraction. When exposed to high temperatures, steel pipes expand as the molecules in the material gain energy and become more active. Conversely, when exposed to low temperatures, steel pipes contract as the molecules lose energy and become less active. To accommodate these changes, steel pipes are manufactured with specific features. One such feature is the inclusion of clearance between pipe joints. This clearance allows for expansion and contraction without causing stress or deformation in the pipe. Additionally, expansion joints or flexible connectors are used within the piping system to absorb thermal movements and prevent damage. Moreover, steel pipes are commonly installed with appropriate anchoring and support systems. These systems are designed to allow the pipes to expand and contract within a certain range without exerting excessive stress or strain on the structure or surrounding components. Anchoring and support systems also help maintain the overall stability and integrity of the piping system. In certain cases, thermal insulation materials are applied to steel pipes to minimize temperature changes and mitigate the effects of expansion and contraction. These insulating materials assist in maintaining a consistent temperature within the pipe, thereby reducing the magnitude of thermal movements. Overall, due to their inherent strength and flexibility, steel pipes are well-equipped to handle thermal expansion and contraction. With proper design, installation, and maintenance, steel pipes can effectively accommodate temperature changes without compromising their structural integrity or functionality.

Q: What are the different methods of pipe insulation for steel pipes?: There are several methods of pipe insulation for steel pipes, including foam insulation, fiberglass insulation, mineral wool insulation, and reflective insulation. Foam insulation is a popular choice as it provides excellent thermal insulation and is easy to install. Fiberglass insulation is another common option that offers good thermal and acoustic insulation properties. Mineral wool insulation is known for its fire resistance and is often used in high-temperature applications. Reflective insulation, on the other hand, utilizes a reflective surface to reduce heat transfer and is commonly used in hot climates.

Q: Are steel pipes suitable for underground drainage systems?: Yes, steel pipes are suitable for underground drainage systems. They are commonly used in such systems due to their durability, strength, and resistance to corrosion. Steel pipes can effectively handle the pressure and flow of water and other fluids, making them a reliable choice for underground drainage.

Q: What are steel pipes used for?: Steel pipes find extensive use in a diverse range of industries, serving various purposes. Among the most prevalent applications, steel pipes are commonly employed for the transportation of fluids and gases. In oil and gas pipelines, for instance, steel pipes are utilized to convey oil, natural gas, and other petroleum products across long distances. Additionally, steel pipes are utilized in domestic and industrial water supply systems. Within the construction industry, steel pipes play a pivotal role in structural tasks, offering exceptional strength and durability. Consequently, steel pipes are highly suitable for the construction of buildings, bridges, and other infrastructure projects. Due to their capacity to withstand heavy loads and provide stability, steel pipes are also employed in the construction of high-rise buildings. Moreover, the manufacturing industry heavily relies on steel pipes. These pipes are utilized in the production of machinery, equipment, and vehicles. In bulk handling systems, steel pipes are commonly employed to transport materials like coal, ore, and grain. Furthermore, steel pipes contribute to the manufacturing of automotive components such as exhaust systems, chassis, and suspension parts. In the energy sector, steel pipes serve a multitude of purposes. For instance, they are employed in power plants for the transportation of steam and hot water, as well as in the production and distribution of electricity. Additionally, steel pipes are utilized in the renewable energy sector, particularly in the construction of wind turbine towers and solar panel frameworks. In addition to these primary applications, steel pipes are also utilized in plumbing systems, irrigation systems, and the construction of fences and railings. Their versatility allows for customization, meeting specific requirements in terms of size, thickness, and coating. Ultimately, steel pipes fulfill an indispensable role across numerous industries, facilitating the transport of fluids, the construction of infrastructure, and the manufacturing of various products. Their strength, durability, and adaptability make them a preferred choice among engineers and professionals in various fields.

Q: What does cathodic protection of steel tubes mean?: The corrosion of metals causes great economic losses directly or indirectly. Foreign statistics show that every year due to corrosion and scrap metal materials, equivalent to 20~40% of metal production, the world every year due to corrosion and loss of metal reached more than 1 tons.

Q: How are steel pipes used in the manufacturing of structural frameworks?: Steel pipes are commonly used in the manufacturing of structural frameworks due to their strength, durability, and versatility. These pipes are used as components in the construction of frameworks, such as buildings, bridges, and towers, providing support and stability to the overall structure. Steel pipes are often used to create columns, beams, and trusses, which are essential for bearing heavy loads and ensuring the structural integrity of the framework. Additionally, steel pipes can be easily welded, allowing for efficient and cost-effective construction processes. Overall, steel pipes play a crucial role in the manufacturing of structural frameworks by providing a robust and reliable solution for various construction projects.

Q: Can steel pipes be used for conveying oil?: Yes, steel pipes are commonly used for conveying oil due to their durability, strength, and resistance to corrosion. They are able to withstand high pressure and temperature conditions, making them ideal for transporting oil over long distances.

Q: What are the common methods for inspecting the condition of steel pipes?: Some common methods for inspecting the condition of steel pipes include visual inspection, ultrasonic testing, magnetic particle inspection, dye penetrant inspection, and radiographic testing.

Q: How do you measure the thickness of a steel pipe?: Different methods can be used to measure the thickness of a steel pipe, depending on the required precision and available tools. Here, we present three commonly used approaches: 1. Calipers or Vernier Calipers: These are widely used and straightforward tools for measuring thickness. Place the jaws of the calipers on both sides of the pipe, ensuring they are perpendicular to the surface. Gently close the jaws until they touch the pipe, and then read the measurement on the caliper scale. 2. Ultrasonic Thickness Gauge: This method provides more accurate results and is commonly employed in industrial settings. An ultrasonic thickness gauge emits high-frequency sound waves that penetrate the steel pipe. By measuring the time it takes for the sound waves to bounce back, the gauge calculates the pipe's thickness. Before taking the measurement, ensure that the pipe surface is clean and smooth. 3. Magnetic Thickness Gauge: This method is specifically designed for measuring the thickness of ferrous materials like steel. The gauge incorporates a small magnet that adheres to the pipe surface. By applying a magnetic field, the gauge determines the distance between the magnet and the base plate. This distance corresponds to the thickness of the steel pipe. It is important to consider that each method has its own limitations in terms of accuracy. The choice of measurement technique should be based on the desired precision, availability of tools, and the specific requirements of the application.

Q: How are steel pipes protected against electromagnetic interference?: Steel pipes can be protected against electromagnetic interference by applying a layer of insulating material around the pipes or by utilizing electromagnetic shielding techniques such as wrapping the pipes with conductive materials. Additionally, grounding the pipes and implementing proper grounding practices can help minimize the impact of electromagnetic interference.

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