Stainless Steel Seamless Pipes & Tubes – 304/316 Global Supplier

Stainless steel seamless pipes and tubes are high-performance components manufactured without any welding, ensuring uniform structure, enhanced mechanical strength, and superior corrosion resistance. A stainless steel seamless pipe is primarily used for fluid and gas transportation, while a seamless tube is widely applied in applications requiring precise dimensions and tighter tolerances. Both are essential in industries such as oil & gas, petrochemicals, pharmaceuticals, food processing, power plants, and marine engineering. With their clean internal surfaces and ability to withstand high pressure and temperature, ss seamless pipes, seamless stainless steel pipes, and seamless tubes are preferred for critical operations where safety, hygiene, and durability are non-negotiable.
What Are Stainless Steel Seamless Pipes?
Stainless steel seamless pipes are hollow, cylindrical piping products formed without any welding or seam, resulting in a uniform structure and improved mechanical properties. Known for their exceptional corrosion resistance, high strength, and clean surface finish, seamless pipes are ideal for transporting fluids, gases, and steam in high-pressure and high-temperature environments. One of their biggest advantages is the ability to withstand stress and load without risk of leakage or failure at welded joints.
Among the most widely used variants is the 304 stainless steel seamless pipe, known for its excellent resistance to oxidation and ease of fabrication. The 316 stainless steel seamless pipe is preferred for marine and chemical processing applications due to its added molybdenum content that enhances corrosion resistance. Grade 321 offers stability at elevated temperatures, making it ideal for heat exchangers and furnace parts. As a trusted ss seamless pipe and seamless stainless pipe solution, these products are commonly used across petrochemical plants, power generation, aerospace systems, and construction frameworks.
Our Product Range

Stainless Steel 304 Seamless Pipe & Tube
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Stainless Steel 304L Seamless Pipe & Tube
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Stainless Steel 316 Seamless Pipe & Tube
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ASTM A511 Stainless Steel Seamless Tubes
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Stainless Steel 904L Pipes & Tubes
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Stainless Steel 310 Pipes & Tubes
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Stainless Steel 321 Pipes & Tubes
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Stainless Steel 409 Pipes & Tubes
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SMO 254 Pipes & Tubes
View products →Types & Applications of Seamless SS Pipes
Seamless stainless steel pipes are categorized based on their production process and end use. The two most common types are seamless and welded pipes. While welded pipes are made by rolling and welding a strip of steel, seamless stainless pipes are manufactured by extrusion, which eliminates the need for welds and offers superior strength, uniformity, and resistance to internal pressure. This makes seamless pipes the preferred choice for critical operations where durability and reliability are essential.
In terms of applications, seamless pipes are extensively used for fluid transport in oil & gas, chemical processing, construction, boiler systems, and power generation industries. Their smooth internal surface ensures efficient flow, making them ideal for water and gas pipelines, condensers, and heat exchangers. Trusted seamless pipe suppliers worldwide rely on these pipes for their ability to withstand corrosive environments, pressure variations, and mechanical stress—ensuring consistent performance in even the most demanding settings. Whether you're sourcing for a refinery or a structural project, stainless seamless pipes deliver unmatched performance and longevity.
What Are Stainless Steel Seamless Tubes?
Stainless steel seamless tubes are cylindrical components crafted without any welds, offering high precision, uniform wall thickness, and exceptional strength. Unlike pipes that are measured by internal diameter (ID), seamless tubes are typically measured by outer diameter (OD) and are known for their tighter dimensional tolerances, smoother finishes, and enhanced structural integrity. These properties make seamless tubes ideal for high-precision and critical applications such as instrumentation, condensers, heat exchangers, and hydraulic systems.
Available in grades like 316 stainless steel seamless tube, these tubes offer superior resistance to corrosion and high temperatures—especially in aggressive environments like marine, pharmaceutical, and chemical industries. As a trusted ss seamless tube and seamless tube supplier, USA Piping Solution ensures that each tube meets strict ASTM and international standards, catering to applications where hygiene, reliability, and mechanical strength are crucial.
Available Sizes, Dimensions & Tolerances
At USA Piping Solution, we offer a comprehensive range of SS seamless pipes and tubes that meet the most demanding international standards and applications. With years of experience supplying stainless steel piping solutions globally, we understand the critical importance of accurate dimensions, tight tolerances, and reliable performance.
Our stainless steel seamless products are manufactured under strict quality control systems and are fully compliant with ASTM, ASME, and EN standards. Whether you're sourcing for oil & gas, petrochemical, pharmaceutical, or structural applications, our SS seamless pipes and tubes offer consistency, precision, and trust.
SS Seamless Pipe & Tube Dimensions Table
OD (mm) |
Wall Thickness (mm) |
Schedule |
Length (m) |
---|---|---|---|
6.00 |
1.00 |
SCH 10 |
6 |
12.70 |
1.65 |
SCH 40 |
6 |
21.30 |
2.77 |
SCH 80 |
6 |
25.40 |
2.11 |
SCH 10 |
6 |
33.40 |
3.38 |
SCH 40 |
6 |
42.16 |
3.56 |
SCH 80 |
6 |
48.30 |
3.68 |
SCH 40 |
6 |
60.30 |
4.57 |
SCH 80 |
6 |
88.90 |
5.49 |
SCH 40 |
6 |
114.30 |
6.02 |
SCH 40 |
6 |
141.30 |
7.11 |
SCH 80 |
6 |
168.30 |
7.11 |
SCH 40 |
6 |
Stainless Steel Related Products
Manufacturing Capabilities
As a leading stainless steel pipe supplier and one of the trusted seamless pipe suppliers in the global market, USA Piping Solution takes pride in its robust manufacturing capabilities. We specialize in producing high-quality seamless stainless steel pipes and tubes that meet stringent ASTM and international standards, catering to a wide range of industrial requirements.
Our in-house infrastructure includes modern extrusion presses, cold-drawing benches, heat treatment furnaces, and advanced testing equipment, enabling us to offer consistent quality, tighter tolerances, and a variety of surface finishes. As reliable seamless tube manufacturers, we maintain strict quality control at every production stage, from raw material inspection to hydro testing and final dimensional checks. Whether you're sourcing for petrochemical, marine, power generation, or pharma applications, our seamless products deliver superior performance and long-lasting reliability under high pressure and corrosive environments.
Applications Across Industries
Stainless steel seamless pipes and tubes are trusted components across a wide spectrum of industries due to their strength, corrosion resistance, and hygiene-friendly properties. In the pharmaceutical industry, these tubes play a crucial role in sterile fluid transport systems, maintaining integrity under high-purity requirements. Similarly, the chemical processing sector relies on seamless stainless steel piping for its ability to withstand aggressive media and elevated temperatures without degrading.
In food and beverage processing, stainless steel seamless tubes ensure contaminant-free transport and easy cleaning, making them ideal for hygienic applications. For the oil & gas industry, these pipes are essential in upstream, midstream, and downstream operations where resistance to pressure and corrosion is non-negotiable. Finally, in marine environments, stainless steel seamless pipes and tubes perform reliably against saltwater corrosion, supporting critical systems in ships, offshore rigs, and coastal infrastructure. Their versatile performance and compliance with global standards make them a preferred choice across high-demand industrial sectors.
Why Choose Us for Seamless Pipes & Tubes?
As a trusted seamless pipe supplier and seamless tube supplier, we take pride in delivering precision-engineered stainless steel products backed by internationally recognized quality standards. Our operations are ISO-certified, ensuring that every seamless pipe and tube meets stringent global benchmarks for performance, safety, and durability. From raw material selection to final inspection, we follow a meticulous quality control process supported by full Mill Test Certificates (MTCs).
With a large inventory of stainless steel seamless pipes and tubes in grades like 304, 316, and 321, we are equipped to fulfill urgent bulk requirements across industries. Whether your project is local or international, our fast delivery network ensures timely dispatch to over 40 countries. Our seamless logistics, transparent pricing, and technical support make us the go-to partner for industries seeking reliable, high-quality seamless pipe and tube solutions worldwide.
FAQs on Stainless Steel Seamless Pipes and Tubes
What is the price of stainless steel seamless pipe?
The price of stainless steel seamless pipes depends on factors like grade (304, 316, 321), size, wall thickness, and surface finish. As of 2025, the SS seamless pipe price typically ranges from ₹280 to ₹500 per kg in India. For accurate pricing and export quotes, it's best to connect with a trusted seamless pipe supplier like USA Piping Solution.
What is the difference between seamless pipe and seamless tube?
Though both are made from high-quality stainless steel, seamless pipes are generally used for fluid transport and are measured by internal diameter (ID), while seamless tubes are precision components used in structural or heat transfer applications and are measured by outer diameter (OD). Tubes also offer tighter tolerances and better finish quality.
Where are 316 seamless tubes used?
316 stainless steel seamless tubes are widely used in industries where superior corrosion resistance is crucial—such as pharmaceuticals, marine engineering, food processing, and chemical handling. Their ability to withstand aggressive environments makes them ideal for heat exchangers, condensers, and instrumentation systems.
Do seamless tubes have better corrosion resistance?
Yes. Stainless steel seamless tubes are generally manufactured with better surface uniformity, which minimizes the risk of corrosion. Grades like 316, 316L, and 316Ti offer exceptional resistance to chlorides, acids, and saline environments—making seamless tubes highly suitable for offshore, chemical, and cleanroom applications.
Can I get a custom-cut seamless stainless steel pipe?
Absolutely. As a leading seamless stainless steel pipe supplier, we offer custom solutions tailored to your project needs. You can request specific outer diameter (OD), wall thickness, length, and surface finishes (polished, pickled, annealed) along with end types like beveled or threaded.