304L Stainless Steel Seamless Pipe

304L Stainless Steel Seamless Pipe
304L Stainless Steel Seamless Pipe is a reliable piping solution featuring excellent corrosion resistance, good strength, and superior welding performance. With its low carbon content, it provides enhanced resistance to intergranular corrosion after welding, making it suitable for applications requiring long-term durability and stable performance. Compared with standard stainless steel pipes, it offers improved reliability in welded structures and demanding environments. Widely used in chemical equipment, pressure vessels, food processing, industrial pipelines, and engineering projects, it provides a safe and durable solution. We supply high-quality 304L stainless steel seamless pipes with accurate dimensions, customized specifications, competitive pricing, and dependable global delivery service.
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◉ Product Description

Product Name304L Stainless Steel Seamless Pipe
StandardISO, ASTM, EN, JIS, GB, DIN, BS, AISI, SAE, API
Material Grade200 Series: 201,202
300 Series: 301, 302, 303, 304, 304L, 309, 309S, 310, 310s, 316, 316L, 316Ti, 317L, 321, 347, 347H
400 Series: 409, 409L, 410, 410S, 420, 430, 431, 434, 439, 440, 441, 444
Duplex Steel: UNS S22053, S22253, S31500, S31803, S32205, S32304, S32900
Outer DiameterSeamless Pipe: 4mm-812.80mm
Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm),
ThicknessSeamless Pipe: 0.5mm - 60mm
Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm)
Length5.8-6.1 m or as customers' request
ProcessSeamless: Cold Rolled, Cold drawn, Hot Rolled,
Welded: ERW,EFW,Spiral Welded
Section ShapeRound, Square, Rectangular, Oval, etc.
ToleranceAcording to the Standard.
Surface180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
ColorGolden, Champagne gold, Rose gold, Brown, Bronze, Brass, Black, etc.
ApplicationCapillary Pipe, Hydraulic Pipe, Decorative Pipe, Heat Exchanger Tube, Exhaust Pipe, Food Grade Pipe, Furnace Pipe, Condenser Tube, Oil Line Pipe, Structural Pipe, Gas Pipe, Water Pipe

◉ Product Display

SS-PIPES


Product Introduction


Stainless Steel Seamless Pipe is a premium piping product manufactured through an advanced seamless production process without welding joints, providing excellent structural integrity, high pressure resistance, and reliable performance in demanding environments. Compared with welded pipes, seamless pipes feature a more uniform structure, smoother internal surface, and superior resistance to stress and temperature changes. They offer outstanding corrosion resistance, mechanical strength, and long service life, making them suitable for applications where safety and durability are critical. With precise dimensions, consistent wall thickness, and excellent fabrication performance, Stainless Steel Seamless Pipe is widely used in oil and gas, chemical processing, power generation, machinery, and industrial engineering projects.

As a professional steel manufacturer and exporter, we provide high-quality Stainless Steel Seamless Pipes with strict quality control, advanced production technology, and competitive pricing. Our products are available in various sizes, wall thicknesses, lengths, and surface finishes to meet different project requirements. We support customized processing, professional packaging, and reliable delivery services to ensure a smooth purchasing experience for global customers. Whether used for high-pressure pipelines, industrial equipment, energy facilities, or large-scale engineering projects, our seamless pipes provide dependable performance and long-term value. We welcome distributors, contractors, and project buyers worldwide to cooperate with us for high-quality products and professional service.


About Us


Jiangwei Metal is a professional manufacturer engaged in the research, development, production, sale and service.,  is committed to providing one-stop steel procurement services for global client.


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Advantages of Stainless Steel Seamless Pipe


1. Superior Strength and Pressure Resistance

Stainless Steel Seamless Pipe is manufactured without welded joints, providing a uniform structure and excellent mechanical strength. It can withstand high pressure, heavy loads, and demanding operating conditions while maintaining stable performance. This makes it an ideal choice for critical applications such as oil and gas pipelines, chemical equipment, power plants, and industrial systems where safety and reliability are essential.

2. Excellent Corrosion Resistance

Stainless Steel Seamless Pipe offers outstanding resistance to rust, oxidation, moisture, and various corrosive substances. It maintains reliable performance even in harsh environments, including chemical, marine, and high-humidity conditions. This corrosion resistance reduces maintenance requirements, extends service life, and helps ensure long-term operation in industries that require durable and dependable piping solutions.

3. Uniform Structure and Reliable Quality

The seamless manufacturing process creates a continuous pipe structure with consistent wall thickness and excellent dimensional accuracy. Without weld seams, the pipe has fewer potential weak points and provides more stable performance under pressure and temperature changes. This uniform quality makes it suitable for demanding engineering projects requiring high safety standards and dependable operation.

4. Excellent High-Temperature Performance

Stainless Steel Seamless Pipe maintains strong mechanical properties and corrosion resistance under elevated temperatures. It performs reliably in heat-intensive environments such as power generation, chemical processing, and industrial heating systems. Its ability to withstand thermal stress and temperature fluctuations makes it a preferred piping material for applications requiring long-term stability in high-temperature conditions.

5. Long Service Life and Low Maintenance

With excellent durability, corrosion resistance, and structural strength, Stainless Steel Seamless Pipe provides a long operating life with minimal maintenance requirements. It reduces replacement frequency and helps lower overall project costs. Its reliable performance makes it a cost-effective choice for industries seeking long-term value and stable operation.

6. Wide Range of Industrial Applications

Stainless Steel Seamless Pipe is widely used in oil and gas, chemical processing, machinery manufacturing, energy, construction, and industrial equipment. Its combination of strength, corrosion resistance, and pressure performance allows it to meet various application requirements. This versatility makes it one of the most important stainless steel piping solutions for global engineering projects.


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Quality Control


We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.


Applications of Stainless Steel Seamless Pipe


1. Oil and Gas Industry

Stainless Steel Seamless Pipe is widely used in oil and gas exploration, transportation, and processing systems due to its excellent pressure resistance and corrosion performance. It is suitable for pipelines, equipment connections, and high-pressure fluid transportation where safety and reliability are critical. Its strong structure and long service life help ensure stable operation in demanding energy environments.

2. Chemical Processing Industry

The chemical industry requires piping materials that can withstand corrosive media and challenging operating conditions. Stainless Steel Seamless Pipe provides excellent resistance to chemicals, oxidation, and high temperatures, making it suitable for reactors, processing lines, storage systems, and fluid transportation equipment. Its reliable performance helps improve safety and efficiency in chemical production facilities.

3. Power Generation Facilities

Stainless Steel Seamless Pipe plays an important role in power plants and energy projects where high temperature and high pressure performance are required. It is commonly used in boilers, heat exchangers, steam systems, and cooling pipelines. Its excellent thermal stability and mechanical strength ensure reliable operation under continuous working conditions and demanding energy production environments.

4. Machinery and Equipment Manufacturing

Stainless Steel Seamless Pipe is widely applied in machinery manufacturing for producing equipment frames, hydraulic systems, pressure components, and precision mechanical parts. Its uniform structure, accurate dimensions, and excellent durability make it suitable for complex engineering applications. It helps manufacturers achieve reliable performance and longer service life for industrial machinery and equipment.

5. Construction and Infrastructure Projects

In construction and infrastructure projects, Stainless Steel Seamless Pipe is used for structural supports, industrial pipelines, water systems, and special engineering applications. Its corrosion resistance, strength, and attractive appearance make it suitable for both functional and long-term installations. It provides dependable performance in commercial buildings, public facilities, and large-scale construction projects.

6. Food, Pharmaceutical, and Clean Industries

Stainless Steel Seamless Pipe is widely used in food processing, pharmaceutical production, and other industries requiring high hygiene standards. Its smooth surface is easy to clean and helps prevent contamination during fluid transportation. With excellent corrosion resistance and durability, it provides a safe and reliable solution for sanitary piping systems and precision production environments.


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As a leading company, Jiangwei Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.


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