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Duplex stainless steel seamless pipe
  • Duplex stainless steel seamless pipe
  • Duplex stainless steel seamless pipe

Duplex stainless steel seamless pipe

From hot rolling perforation of raw materials to cold rolling processing, using the domestic leading mill as the main, cold drawing as the auxiliary joint process to organize production. And equipped with a finished non-destructive testing system, namely ultrasonic eddy current integrated machine, water pressure testing, portable mobile spectrometer, endoscope, metallographic testing, tensile testing machine, Rockwell hardness tester, Vickers hardness tester, impact testing machine, intergranular corrosion meter and chemical analysis and other advanced testing systems, in order to meet the requirements of various testing, to ensure the quality of our products.
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Huzhou Xingchen Clean Precision Technology Co., Ltd is China Duplex stainless steel seamless pipe Manufacturers And Wholesale Duplex stainless steel seamless pipe Suppliers. As one of the outstanding clean precision tube manufacturing enterprises in China, it has a team of craftsmen with unremitting efforts, pursuit of excellence and rich experience.

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What are the advantages of using Duplex Seamless Stainless Steel Pipes in various applications?

Corrosion Resistance: Duplex stainless steel pipes exhibit excellent corrosion resistance, particularly in harsh environments, such as seawater, chloride-containing solutions, and acidic or alkaline environments. This makes them ideal for applications in offshore oil and gas industries, chemical processing plants, and marine applications.
Strength and Toughness: Duplex stainless steel pipes have a higher strength compared to austenitic stainless steels. Their combination of austenitic and ferritic phases provides superior toughness, making them suitable for applications that require high mechanical strength, such as structural components and pressure vessels.
High Temperature Resistance: Duplex stainless steel pipes offer good resistance to high temperatures, making them suitable for applications in elevated temperature environments, such as heat exchangers and thermal processing equipment.
Stress Corrosion Cracking (SCC) Resistance: Duplex stainless steel has a high resistance to stress corrosion cracking, which is a type of corrosion that occurs under tensile stress in specific environments. This property is beneficial in applications where materials are subjected to stress in corrosive conditions.
Cost-Effective: Duplex stainless steel pipes provide a cost-effective solution due to their higher strength, which allows for the use of thinner walls while maintaining the required mechanical properties. Additionally, their corrosion resistance reduces maintenance costs and increases the lifespan of the pipes.
Weldability: Duplex stainless steel pipes offer good weldability, although some care is required to prevent the formation of undesirable phases during welding. Proper welding techniques can ensure the integrity of the joints, making them suitable for various fabrication processes.
Versatility: Duplex seamless stainless steel pipes find applications in various industries, including oil and gas, chemical processing, desalination plants, pulp and paper manufacturing, and more. Their versatility and superior properties make them suitable for a wide range of demanding applications.
Reduced Environmental Impact: The high strength and corrosion resistance of duplex stainless steel can lead to lighter structures, reducing the overall material consumption and, subsequently, the environmental impact of the applications where they are used.

What are the temperature and pressure limitations for using Duplex Seamless Stainless Steel Pipes?

Duplex stainless steels typically consist of a microstructure containing both austenite and ferrite phases. The most common grades of duplex stainless steel are classified as "lean duplex" (e.g., UNS S32101, S32304) and "standard duplex" (e.g., UNS S31803, S32205). There are also higher alloyed super duplex grades available.
To determine the specific temperature and pressure limitations for a particular grade of Duplex Seamless Stainless Steel Pipe, it is essential to refer to the manufacturer's data sheets, material specifications, or industry standards (e.g., ASTM, ASME, EN). These documents should provide the necessary information on the allowable temperature range, pressure ratings, and any additional considerations for the specific application.
In general, Duplex Stainless Steel Pipes are capable of withstanding moderate to high temperatures and pressures. They have good strength properties at elevated temperatures and can maintain their corrosion resistance in various environments. However, at extremely high temperatures, the microstructure of duplex stainless steels can start to undergo changes, which may affect their mechanical properties and corrosion resistance.
To ensure safe and optimal usage, it is crucial to adhere to the recommended temperature and pressure limits specified by the manufacturer or relevant standards. Additionally, considering the specific application and potential operating conditions will also be essential in determining the suitability of Duplex Seamless Stainless Steel Pipes.

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