317/317L stainless steel pipes are known for their excellent corrosion resistance in highly corrosive environments. Here are some features and benefits of 317/317L stainless steel pipes:

• Corrosion Resistance: 317/317L stainless steel offers exceptional corrosion resistance, particularly in acidic and chloride-containing environments. It provides resistance to a wide range of corrosive substances, including sulfuric acid, phosphoric acid, hydrochloric acid, and seawater. This makes it suitable for applications in chemical processing, petrochemicals, pulp and paper, and marine environments.
• High Temperature Resistance: 317/317L stainless steel retains its mechanical properties and corrosion resistance at elevated temperatures. It can withstand prolonged exposure to high temperatures without significant loss of strength or corrosion resistance. This makes it suitable for high-temperature applications such as heat exchangers, furnace components, and exhaust systems.

317/317L Stainless Steel Pipe Supplier

317/317L Stainless Steel Pipe Factory in China

• Creep and Stress Rupture Resistance: The addition of molybdenum and higher nickel content in 317/317L stainless steel provides improved resistance to creep and stress rupture at high temperatures. It can withstand prolonged exposure to elevated temperatures without deformation or failure, making it suitable for applications in power generation and high-temperature environments.
• Pitting and Crevice Corrosion Resistance: 317/317L stainless steel has enhanced resistance to pitting and crevice corrosion. It provides reliable protection against localized corrosion in chloride-rich environments, such as seawater, brine, and industrial environments with corrosive chemicals.

China 317/317L Stainless Steel Pipe Factory

China 317/317L Stainless Steel Pipe

• Low Carbon Content: The low carbon content in 317L stainless steel minimizes carbide precipitation during welding, reducing the risk of intergranular corrosion. It also enhances the material’s resistance to sensitization, making it suitable for applications that involve welding or exposure to high temperatures.
• Uniformity and Consistency: 317/317L stainless steel pipes manufactured according to industry standards offer uniformity and consistency in their dimensions, tolerances, and material properties. This ensures compatibility and interchangeability in various applications.

The factory quality inspector is helping the customer to measure the outer diameter of the pipe purchased by the customer.

Hardness measurement of stainless steel pipe

• Versatility: 317/317L stainless steel pipes are available in various sizes, thicknesses, and configurations to meet different application requirements. They can be customized to fit specific installation needs, offering flexibility in design and installation.
• Longevity and Low Maintenance: Due to its excellent corrosion resistance and high-temperature strength, 317/317L stainless steel pipes have a long service life and require minimal maintenance. They can withstand harsh environments and corrosive substances, reducing the need for frequent replacements and repairs.
• Wide Application Range: 317/317L stainless steel pipes find applications in industries where corrosion resistance and high-temperature strength are critical, such as chemical processing, oil and gas, pulp and paper, and pharmaceuticals. They are used in heat exchangers, chemical reactors, desalination plants, and other corrosive environments.

Hardness measurement of stainless steel pipe

Wall Thickness Measurement of Stainless Steel Tubes

Manual inspection of inner wall of stainless steel pipe

China Stainless Steel Pipe Tube Supplier

1. Material Selection: High-quality 317/317L stainless steel, which is specifically designed for its corrosion resistance and high-temperature properties, is selected.
2. Tube Formation: The first step is to form the stainless steel tube using various manufacturing techniques, such as hot extrusion, cold drawing, or pilgering. These methods ensure the tube’s dimensional accuracy and mechanical properties.
3. Heat Treatment: After tube formation, the stainless steel tubes go through a heat treatment process. Heat treatment involves heating the tubes to specific temperatures and holding them for a defined duration to enhance their mechanical properties, such as strength and corrosion resistance. Heat treatment can include processes like annealing, solution annealing, or stress relieving.
4. Sizing and Shaping: The heat-treated stainless steel tubes undergo additional sizing and shaping operations to achieve the desired dimensions, wall thickness, and shape. These operations can include processes like reducing or expanding the diameter, adjusting the wall thickness, or shaping the tubes into specific profiles.
5. Welding (if applicable): If the design or application requires it, the stainless steel tubes may be welded. Welding techniques such as TIG (Tungsten Inert Gas) or laser welding are commonly used to join the stainless steel tubes together. The welded joints are then subjected to additional heat treatment processes to ensure proper strength and integrity.
6. Surface Treatment: The stainless steel tubes may undergo surface treatments such as pickling or passivation to remove any scale, oxides, or contaminants that may have formed during manufacturing. This helps to restore the tubes’ corrosion resistance and improve their surface finish.
7. Final Inspection and Testing: The manufactured 317/317L stainless steel pipes undergo a final inspection and testing process to ensure they meet the required specifications. This may include dimensional checks, visual inspection, non-destructive testing, and mechanical property testing.

317 and 317L stainless steel are austenitic stainless steels that offer excellent corrosion resistance, high-temperature strength, and resistance to pitting and crevice corrosion. Here are some common applications for 317/317L stainless steel pipes:

1. Chemical and Petrochemical Industry: 317/317L stainless steel pipes are widely used in the chemical and petrochemical industry, particularly in environments containing corrosive chemicals, acids, and chlorides. They are employed in equipment such as reactors, storage tanks, piping systems, and heat exchangers.
2. Oil and Gas Industry: 317/317L stainless steel pipes find application in the oil and gas industry, especially in offshore and onshore environments where corrosive conditions are present. They are used in pipelines, platforms, and other equipment exposed to seawater, chloride-rich environments, and corrosive gases.
3. Desalination Plants: 317/317L stainless steel pipes are commonly used in desalination plants for the production of fresh water from seawater. They exhibit excellent resistance to corrosion and pitting in high-salinity environments, making them suitable for seawater intake, brine discharge, and other desalination processes.
4. Pharmaceutical Industry: The pharmaceutical industry requires materials with high corrosion resistance and purity. 317/317L stainless steel pipes are utilized in pharmaceutical manufacturing equipment, including reactors, storage vessels, and piping systems, to handle aggressive chemicals and maintain product integrity.
5. Food and Beverage Industry: 317/317L stainless steel pipes are employed in the food and beverage industry for their resistance to corrosion and ability to meet hygiene standards. They are used in processing equipment, storage tanks, and piping systems for handling corrosive food substances and maintaining product purity.
6. Power Generation: 317/317L stainless steel pipes find application in power generation plants, including thermal power plants and nuclear power plants. They are used in components such as boiler tubes, superheaters, and reheaters, where high-temperature strength and corrosion resistance are required.
7. Seawater Applications: Due to their excellent resistance to corrosion in seawater, 317/317L stainless steel pipes are used in various marine and offshore applications. This includes seawater intake and discharge systems, offshore structures, and seawater cooling systems.
8. Environmental and Waste Management: 317/317L stainless steel pipes are utilized in environmental and waste management applications, such as wastewater treatment plants and industrial waste processing. They offer resistance to corrosive chemicals and acids present in these environments.

Stainless steel pipes and tubes need to be packaged carefully to avoid any damage during transportation and handling. Here are some common ways in which stainless steel pipes are packaged:

• Bundles: Stainless steel pipes are often bundled together, with each bundle containing a specific number of pipes. They can be bundled with steel strips or plastic bands for secure transportation.

• Plastic Caps: The ends of the pipes may be covered with plastic caps to protect them from dust, moisture, and other foreign materials. This is particularly important for threaded or precision-cut ends, which need to be kept clean and undamaged.
• Wrapping: The pipes can be wrapped in plastic sheets or waterproof paper to protect against moisture, especially for long-term storage or for shipping in wet conditions.
• Padding: For certain applications or for precision-made pipes, padding material like foam or straw might be used within the package to prevent any damage or scratches on the pipe surfaces during transportation.

• Wooden Boxes or Crates: For higher-grade stainless steel pipes or for pipes that require extra protection, they may be packed in wooden boxes or crates. This provides additional protection against physical damage during shipping and handling.