OEM Stainless Steel Heat Exchanger Tube Manufacturers

Stainless steel seamless pickling pipe (AP) pipe
  • Stainless steel seamless pickling pipe (AP) pipe

Stainless steel seamless pickling pipe (AP) pipe



Specifications: OD6.00mm-0D114.30mm

Material: TP316L, 304L, 310S, 317L, 321H, 347H, UNS S31803, S32205, S32750etc and other materials are optional.

Product description: There are two options: seamed stainless steel pickling pipe and seamless stainless steel pipe.

Heat exchanger tubes are available in various austenitic stainless steels, duplex stainless steels, nickel alloys, titanium and zirconium for all types of heat exchangers such as seawater coolers, condensers, evaporators, heaters and reheaters.

We offer heat exchange tubes in imperial and metric sizes, with outside diameters from 12mm to 40mm (0.472 to 1.575 inches). Special size can be customized.  

The material is divided into: 304L, 316L, the specifications are: 316L 1/4”-3”, etc.,

Huzhou Baorui Tube Technology Co., Ltd.

Huzhou Baorui Tube Technology Co., Ltd. is located in China's stainless steel pipe industry base - Huzhou, Zhejiang. It is a OEM/ODM Stainless Steel Seamless Pipe Manufacturers And Wholesale Stainless Steel Pickling Pipe Suppliers, mainly providing pharmaceutical grade BA/EP pipes, electronics and semiconductors for high clean/clean piping systems. Grade BA tube.

The factory started in 2010. After years of hard work, the products have been widely used in various industries at home and abroad such as petrochemical, pharmaceutical, food, automobile, machinery manufacturing, etc. The materials are mainly stainless steel, dual-phase steel, nickel-based alloys, and OD 3.175-42mm, WT 0.5-3.0mm, inner wall roughness Ra< 0.375μm,standard ASTM A213/A269/270, and equivalent DIN, EN and JIS standards. We adopt the current more advanced production technology, good production equipment, mature process route and advanced management mode, are committed to producing products that meet the strict requirements of customers, and provide technical services and solutions that customers expect.

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Industry Knowledge

What is a stainless steel seamless pickling pipe (AP) pipe and its purpose?
A stainless steel seamless pickling pipe (AP) pipe refers to a type of stainless steel pipe that has undergone a pickling process to remove impurities, such as scales and oxides, from its surface. The pickling process involves immersing the pipe in an acid solution, typically a mixture of nitric and hydrofluoric acids, to dissolve the surface contaminants.
The purpose of pickling stainless steel seamless pipes is primarily twofold:
Removal of Surface Contaminants: The pickling process effectively removes surface impurities, such as oxides, scales, and rust, that may have formed during the manufacturing process, welding, or exposure to high temperatures. By eliminating these contaminants, the surface of the pipe becomes clean, smooth, and free from any visible imperfections.
Enhancement of Corrosion Resistance: Stainless steel is known for its corrosion resistance properties, but the welding and heat treatment processes can compromise this resistance by forming a chromium-depleted layer on the surface known as the "heat-affected zone." The pickling process helps restore the corrosion resistance of the stainless steel seamless pipe by removing the chromium-depleted layer and exposing the underlying corrosion-resistant surface.
In summary, the purpose of a stainless steel seamless pickling pipe (AP) pipe is to achieve a clean, smooth surface free from contaminants and to restore the corrosion resistance of the stainless steel material. This makes it suitable for various applications where corrosion resistance, cleanliness, and aesthetic appearance are important, such as in the chemical industry, pharmaceutical industry, food processing, and water treatment plants.
What are the advantages of using a stainless steel seamless pickling pipe (AP) pipe in industrial applications?
Using stainless steel seamless pickling pipes (AP) pipes in industrial applications offers several advantages:
Corrosion Resistance: Stainless steel is highly resistant to corrosion, making it suitable for applications in industries where exposure to corrosive environments, chemicals, or moisture is prevalent. The pickling process further enhances the corrosion resistance by removing any surface impurities that could compromise the material's resistance.
Clean and Smooth Surface: The pickling process removes scales, oxides, and other impurities from the surface of the pipe, resulting in a clean and smooth finish. This smooth surface reduces the likelihood of bacterial growth, facilitates easy cleaning, and ensures efficient flow in fluid handling applications.
Strength and Durability: Stainless steel seamless pickling pipes (AP) pipes are manufactured using high-quality stainless steel, providing excellent strength and durability. This makes them capable of withstanding high pressures, extreme temperatures, and mechanical stress, making them suitable for demanding industrial applications.
Aesthetic Appeal: The pickling process not only enhances the performance of the pipe but also improves its visual appearance. The clean, smooth, and shiny surface of stainless steel pickling pipes adds an aesthetic appeal, making them suitable for applications where appearance matters, such as architectural and decorative installations.
Hygienic and Sanitary Properties: Stainless steel is a hygienic material, resistant to bacterial growth and easy to clean. The pickling process ensures the removal of contaminants and impurities, making stainless steel seamless pickling pipes suitable for industries requiring high levels of sanitation, such as pharmaceuticals, food processing, and beverage production.
Compatibility with Various Fluids: Stainless steel pickling pipes exhibit excellent chemical resistance, making them compatible with a wide range of fluids, including corrosive chemicals, acids, bases, and solvents. This versatility makes them suitable for applications across different industries.