304 Stainless Steel Seamless Pipe
304 Stainless Steel Seamless Pipe is a high-performance tubular product manufactured through hot extrusion or cold drawing processes without any welding seams. Made from premium 304 stainless steel (18% Cr, 8% Ni), it offers excellent corrosion resistance, high strength (tensile strength ≥515MPa), and superior pressure-bearing capacity. With smooth inner/outer surfaces (Ra≤0.6μm) and precise dimensional tolerance (±0.1mm), it's widely used in chemical processing, food & pharmaceutical industries, heat exchangers, and high-pressure fluid systems. Its -196°C~800°C temperature range and ASTM/ASME compliance ensure reliability in demanding applications.
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Key Attributes

Product name304 Stainless Steel Seamless Pipe
 SizeOD: 3-2500 mm
WT: 1.0-150 mm
LENGTH: 5.8/6/11.8/12m
 Pipe StandardASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A789
DIN 17456,DIN 17457,DIN
EN 10216, BS 3605, JIS 3459, JIS3463, GOS T9941
 Material304/L,316/L,201,202,301,347/H,316Ti,309s,310s
ProcessCold drawn, Cold rolled, Precision Rolled
FinishAnnealed & pickled, bright annealing, polished


Product Details

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Product Introduction


Stainless steel seamless pipe is made of stainless steel as raw material. It has corrosion resistance, wear resistance, and high-temperature resistance, and can maintain good mechanical properties and Stainless steel seamless pipe is a hollow steel pipe without welding seams, which is made by an integral forming process to ensure the integrity and high strength of the structure. It has excellent corrosion resistance and can resist the erosion of various chemical media; it has good high temperature resistance and can maintain stability in high temperature environments; it has excellent mechanical properties and can withstand high pressure and heavy loads; the inner wall is smooth and the fluid resistance is small. Therefore, stainless steel seamless pipes are widely used in key fields such as petroleum, chemical, medical, food, aviation, and aerospace for conveying fluids, gases or as structural parts. Its seamless design avoids the weaknesses that may be caused by welding, improves the safety and reliability of the pipeline system, and has become an indispensable and important material in many industrial fields.


Stainless steel producers take advantage of the properties of stainless steel to improve quality through various surface treatments. We provide different types of stainless steel surface treatment processes, such as BA, 2B, 2D, 2K, 4K, 6K, 8K, NO.4, HL, SB, Embossed, etc.


About Us


Zhongxi 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 Seamless Stainless Steel Pipe


1. High structural strength: The seamless process avoids weld defects, has good overall uniformity, and has better compression, tension and torsion resistance, suitable for high pressure and high stress environments.

2. Strong corrosion resistance: Made of 304, 316L and other stainless steel materials, it can resist acid, alkali, salt spray, high temperature oxidation and chloride ion corrosion, and its service life far exceeds that of ordinary steel pipes.

3. High precision and finish: The inner and outer surfaces are smooth and burr-free, with high dimensional accuracy, suitable for precision instruments, medical equipment and food-grade fluid transportation.

4. Extreme temperature resistance: The operating temperature range is wide (-196℃ to 800℃), it does not crack at low temperatures and does not deform at high temperatures, suitable for harsh working conditions such as chemical industry and energy.

5. Safe and reliable: There is no risk of weld cracking, excellent anti-leakage performance, and the sealing of fluid transportation is guaranteed, especially for flammable and explosive media.

6. Lightweight and long life: It is lighter than carbon steel pipes, does not require frequent maintenance, and has low comprehensive use costs.


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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 Seamless Stainless Steel Pipe


1. Petrochemical: used in oil and gas pipelines, refining equipment, reactors, heat exchangers and high-pressure vessels, which are corrosion-resistant and can withstand high temperature and high pressure environments.

2. Energy and power: as boiler pipes, heat exchange tubes and nuclear power equipment components, they meet the safety requirements under high temperature and high pressure conditions.

3. Mechanical manufacturing: used in hydraulic systems, bearing sleeves, pneumatic components, etc., to ensure high precision and structural strength.

4. Aerospace: used in aircraft hydraulic pipelines, engine fuel pipes and spacecraft structural parts, requiring lightweight and extreme temperature resistance.

5. Food and medical: pharmaceutical equipment, food processing pipelines and medical implants rely on their sterile and pollution-free surface properties.

6. Automobile and ship: automobile exhaust systems and ship seawater pipelines need to be resistant to salt spray corrosion and vibration fatigue.

7. Building decoration: used for high-end curtain wall supports and handrails, combining beauty and durability.


Contact Us


As a leading company, Zhongxi 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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