Your Professional Stainless Steel Pipe Supplier
Jiangsu Tisco Equipment Co., Ltd. is a comprehensive valve company integrating manufacturing and trading. We specialize in the production of valves and the processing of stainless steel products, including ball valves, gate valves, butterfly valves, globe valves, as well as pipes, plates, profiles, and stems. In addition, copper, aluminum, titanium, and other alloy steels such as Inconel are also within our product range.
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![Stainless Steel Weld Pipe]()
Stainless Steel Weld PipeProduct: Stainless Steel Weld Pipe. Standard. American: ASTM A312, ASMESA269, ASTM A269. ASME SA213, ASTM A213. ASTM A511. ASTM A789, ASTM A790. Germany: DIN2462.1-1981.DIN17456-85, DIN17458-85. -
![Stainless Steel Seamless Pipe]()
Stainless Steel Seamless PipeProduct: Stainless Steel Seamless Pipe. Standard:. American: ASTM A312, ASMESA269, ASTM A269. ASME SA213, ASTM A213. ASTM A511. ASTM A789, ASTM A790. Germany: DIN2462.1-1981. DIN17456-85, -
![Stainless Steel Square Pipe]()
Stainless Steel Square PipeProduct: Stainless Steel Square pipe. Standard: . American: ASTM A312, ASMESA269, ASTM A269. ASME SA213, ASTM A213. ASTM A511.ASTM A789, ASTM A790. Germany: DIN2462.1-1981. DIN17456-85, DIN17458-85.
A stainless steel seamless pipe is a tubular component that draws or extrudes a steel blank through a die. Without any joints or welding, a seamless pipe is perfect for applications that require high pressure or extreme temperatures because it does not suffer from the stress concentration or weak spots of a welded pipe. Seamless pipes are usually manufactured in smaller diameters, up to 24 inches, and a range of wall thicknesses consistent with the needs of the intended use.
Product Descriptions From The Supplier
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Product |
Stainless Steel Seamless Pipe |
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Standard |
American |
ASTM A312, ASMESA269, ASTM A269. ASME SA213, ASTM A213. ASTM A511. ASTM A789, ASTM A790 |
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Germany |
DIN2462.1-1981. DIN17456-85, DIN17458-85 |
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Japanese |
JIS G3463-2006.JISG3459-2012 |
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Russian |
GOST 9941-81 |
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GB |
GB14975, GB14976, GB95.GB13296.GB5310, GB9948, GB/T12771 |
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Material |
304 304L 316 316L 321 316ti 310S S31803 S322055 904L 17-4PH 15-5PH 2205 410 410S 420 430 440 |
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Shape |
Round/ rectangular/ square/ capillary/ coil tube/ Special pipe |
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Specification |
Welded |
Outer diameter: Φ4.76-135mm Wall Thickness: 0.25-4.00mm Length: ≤35000 mm |
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Seamless |
Outer diameter: Φ3-114mm Wall Thickness: 0.2-4.5mm |
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Application |
Home appliances, electric appliances, construction materials, medical equipment, auto parts, petroleum, chemical application, agricultural irrigation, edible oil refinery factories, paper plants, shipyard, nuclear power plant etc. |
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The versatility and strength of stainless steel seamless pipes and tubes are driven by their unique properties. Here are some of the key attributes that make them indispensable across various industries:
Corrosion Resistance
One of the most notable benefits of stainless steel is its excellent resistance to corrosion. Pipes and tubes made from various grades of Stainless Steel like 316L, 316 Ti, duplex, and many others have enhanced resistance to corrosion from chemicals, seawater, and harsh environments. This makes them ideal for use in applications such as chemical processing, industrial plants, marine environments, and oil and gas refineries.
High Strength and Durability
Due to their uniform structure, seamless pipes and tubes are highly resistant to mechanical stress and pressure. This gives them superior strength compared to welded pipes, which are prone to weakening at the seam. These characteristics make seamless pipes ideal for high-pressure applications, such as hydraulic systems, nuclear power plants, and oil pipelines.
Temperature Resistance
Stainless steel seamless pipes and tubes can withstand both extreme hot and cold temperatures, which allows them to be used in a wide range of industries. Whether they are being used in the construction of boilers, heat exchangers, or other thermal applications, their ability to perform under varying temperatures makes them a valuable resource.
Precise Dimensions
The manufacturing process of seamless pipes and tubes allows for more precise control over the dimensions of the finished product. This is crucial in industries that require exact tolerances and high levels of accuracy, such as aerospace, automotive, and precision engineering.
Aesthetic Appeal
Beyond their performance attributes, stainless steel seamless pipes and tubes can also be polished for a sleek appearance. This makes them a preferred choice for architectural and decorative applications where both functionality and aesthetics matter.
Manufacturing Process of Seamless Steel Pipe
The manufacturing process of seamless steel pipes generally includes the following steps:
Heating the Steel Billet
The steel billet (or ingot) is heated to a high temperature to become malleable.
Piercing
The heated billet is pierced with a machine to create a hollow pipe, known as the pipe blank.
Pipe Expansion and Rolling
The pipe blank is gradually expanded and rolled to the required diameter and wall thickness through continuous rolling and extrusion processes. This process can be done either hot or cold.
Heat Treatment
The seamless steel pipe may undergo heat treatment (such as annealing, normalizing, etc.) to improve its mechanical properties, ensuring uniform internal structure, strength, and ductility.
Cutting and Finishing
After the pipe is formed, it is cut to the desired length, and any surface defects such as burrs are removed. The pipe may also undergo further finishing processes such as cleaning and polishing.
Inspection and Testing
The finished pipes are subject to various physical and chemical tests, including measurements of dimensions, mechanical properties, surface defects, and overall appearance to ensure that they meet the required standards.
Stainless steel seamless tubes must comply with international standards for dimensions, tolerances, and performance.
Common Standards:
ASTM A213 / A269 / A312 – American standards for heat exchangers, general service, and high-temperature service.
EN 10216 – European standard for seamless tubes under pressure.
DIN 17456 / 17458 – German standards for general and corrosion-resistant tubes.
JIS G3459 – Japanese standard for stainless steel pipes for pressure service.
Types of Stainless Steel Seamless Tubes
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Type |
Characteristics |
Common Applications |
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304 Stainless Steel Tubes |
Excellent corrosion resistance, versatile |
Food processing, chemical equipment, construction |
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316 Stainless Steel Tubes |
Superior resistance to chlorides and acids |
Marine environments, pharmaceuticals, chemical industries |
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321 Stainless Steel Tubes |
Heat-resistant, high strength |
Aerospace, heat exchangers |
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410/420 Stainless Steel Tubes |
High hardness, wear resistance |
Automotive, mechanical parts |
FAQ
As one of the leading stainless steel pipe manufacturers and suppliers in China, our products have good reputation in the market. We warmly welcome you to buy high quality stainless steel pipe made in China here from our factory. We also accept customized orders.
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