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Utilizing 26 high-precision cold rolling mills and 6 cold drawing machines, we ensure dimensional accuracy and superior mechanical properties.
TP304L Seamless Stainless Steel Tubing
ASTM A213 / A312 | UNS S30403 | Low Carbon Austenitic Grade
ISO 9001 | PED | TS CertifiedRelated Products
Introduction
As a cornerstone of the modern industrial piping sector, TP304L Seamless Stainless Steel Tubing represents the pinnacle of versatility and reliability. This low-carbon variant of the standard 304 alloy is specifically engineered to overcome the challenges of sensitization during welding, making it the preferred choice for heavy-gauge components in corrosive environments. By limiting the carbon content to a maximum of 0.03%, the material significantly reduces carbide precipitation, ensuring that the structural integrity and corrosion resistance of the heat-affected zone remain uncompromised. This is particularly critical for large-scale manufacturing projects where post-weld heat treatment is either impractical or impossible. Unlike welded alternatives, the seamless manufacturing process eliminates the longitudinal weld seam, providing a more uniform grain structure and superior burst pressure capabilities suitable for the most demanding high-pressure fluid transport systems.
The production process focuses on precision and metallurgical purity. From the initial selection of high-quality raw billets to the final cold-drawing or cold-rolling stages, every step is monitored to ensure a seamless structure that offers superior pressure ratings. The result is a tube with an incredibly smooth internal surface, which not only facilitates efficient fluid flow but also minimizes the risk of bacterial growth or chemical buildup, a feature highly valued in the food, beverage, and pharmaceutical industries. Furthermore, the excellent cryogenic properties of TP304L ensure that the material remains tough and ductile even at extremely low temperatures, providing a wide operational window for diverse industrial climates. This makes it an ideal candidate for Liquefied Natural Gas (LNG) processing and other specialized refrigeration applications where thermal contraction and expansion are constant variables. The inherent flexibility of the austenitic structure allows for complex bending and flaring without the risk of cracking, which is essential for custom instrumentation and heat exchanger configurations.
In terms of aesthetic and mechanical consistency, TP304L seamless tubes provide a uniform grain structure that translates to predictable performance under mechanical stress. Whether you are designing complex heat exchanger systems or high-pressure fluid transport lines, the predictable elongation and tensile strength of the tubing allow for tighter tolerances and more ambitious engineering designs. By choosing TP304L solutions, you are investing in a material that balances cost-effectiveness with high-end performance, backed by a manufacturing cycle that adheres to the strictest international standards including ASTM A213 and EN 10216-5. We ensure that every meter of tubing delivered provides the "Soft Flow and Quiet Operation" required in high-precision fluid systems. Additionally, the material's high resistance to atmospheric corrosion and oxidation makes it a low-maintenance solution for outdoor installations and offshore environments. The versatility of TP304L extends to its surface finish options; whether a project requires the dull matte of a pickled finish for industrial use or the mirror-like sheen of a bright annealed surface for high-purity labs, this grade delivers exceptional results. This adaptability, combined with its robust mechanical profile, secures its position as an industry-standard alloy for the next generation of infrastructure and process engineering. As global industries move toward more sustainable and efficient fluid handling, the durability and recyclability of TP304L stainless steel ensure it remains a future-proof choice for engineers and procurement specialists alike.
Specifications
| Material Grade | TP304L (UNS S30403) |
| Standard | ASTM A213, A312, EN 10216-5 |
| Outer Diameter | 3.18mm - 406.4mm |
| Wall Thickness | 0.3mm - 20mm |
| Length | Up to 25000mm |
| Finish | Pickled, Polished, or Bright Annealed |
Chemical Composition
| Element | C | Mn | P | S | Si | Cr | Ni |
| Value (%) | ≤0.030 | ≤2.00 | ≤0.045 | ≤0.030 | ≤0.75 | 18.0-20.0 | 8.0-12.0 |
Low CarbonHigh ChromiumBalanced Nickel
Mechanical Strength
Comprehensive Info
| MOQ | 500kg (Negotiable for stock) |
| Lead Time | 15 - 30 Days |
| Packaging | Plywood Crates / Bundles |
| Certifications | ISO 9001, PED, TS |
| Raw Materials | Premium Global Sources |
| Customization | OD/WT, Length, Surface, Marking |
Applications
Chemical & Petrochemical ProcessingCorrosion-resistant piping for aggressive chemical transport
Food & Beverage ProductionHygienic tubing for processing lines and storage systems
Pharmaceutical ManufacturingCleanroom-grade piping for sterile environments
Heat Exchangers & CondensersEfficient thermal transfer with smooth ID surfaces
Cryogenic Storage & TransportLow-temperature toughness for LNG and liquid gases
Water Treatment SystemsCorrosion-resistant tubes for filtration and purification
Advantages
Low Carbon Content
Eliminates weld decay and sensitization, ensuring superior corrosion resistance after welding operations.
Seamless Integrity
Higher pressure resistance than welded tubes, ideal for demanding high-pressure applications.
Smooth Internal Surface
Reduces turbulence and prevents contamination, perfect for sanitary and precision fluid systems.
Cost-Effective
Best balance of price and corrosion resistance for versatile industrial applications.
About Jiangsu Jend Tube Co.,Ltd.
As China TP304L Seamless Stainless Steel Tubing Manufacturers and Wholesale TP304L Seamless Stainless Steel Tubing Factory, Established in 2011 and is a manufacturing enterprise with a complete manufacturing cycle from raw material selection to finished product delivery. The company currently has more than 100 employees, covers an area of 30015 square meters, and has a registered capital of 48 million yuan, annual production capacity of 3800 tons.
The company has passed ISO9001:2015 quality certification, domestic pressure vessel TS certification, and foreign pressure vessel PED certification. With rich experience and mature technology, we have been expanding our market internationally. At present, our products are exported to more than 50 countries and regions including Europe, America, Southeast Asia, and the Middle East.
The company adheres to different production norms and standards such as the American standard (ASTM), the European standard (EN), the German standard (DIN), the Japanese standard (JIS), the Russian standard (GOST), and the Chinese standard (GB).
Our company specializes in and customizes various specifications of Martensite TP410 (0Cr13, 1Cr13), Ferrite TP405 (1Cr13Al), TP430 (1Cr17), TP444 (0Cr18Mo2), TP439, TP409 (0Cr11Ti), It is also proficient in manufacturing Austenitic seamless stainless steel pipes of series such as TP304(L/H), TP316(L/H/Ti), TP310S, TP317, TP321(H) and TP347(H). Duplex such as S31803, S2205, S32750, S32304, and Nickel-based alloys Monel400, Monel600, Monel800, GH3030, 904L, Inconel 625, etc.
The company mainly produces seamless steel pipes with the following specifications: outer diameter: 3.18mm to 406.4mm, wall thickness: 0.3mm to 20mm, and the longest length is 25000mm. Additionally, it can customize seamless steel pipes with special materials and specifications according to customer requirements. The company attaches great importance to scientific innovation. The staff of the company vigorously develop technological research and development.
Jiangsu Jend Tube Co.,Ltd. will continuously accumulate professional knowledge and capabilities, striving to become a leader in the domestic market and even the world market. Strive to be the most reassuring pipe manufacturing enterprise for customers.
Precision Manufacturing and Process Optimization
We rely on precision equipment and optimized production technologies to achieve outstanding mechanical performance and consistent product quality.
Cold Rolling and Cold Drawing
Solution Heat Treatment
Natural gas solution treatment furnaces and BA solution treatment furnaces optimize the material's grain structure, enhancing corrosion resistance.
Precision Straightening and Polishing
10 straightening machines and 8 finishing polishing machines guarantee product surface smoothness and dimensional accuracy.
Automated Inspection and Quality Assurance
Real-time monitoring systems ensure the stable quality of every batch of products.
Product Usage Tips
Welding Recommendations
Use low-heat input welding processes such as TIG or MIG with ER308L filler metal. No post-weld heat treatment is required due to low carbon content.
Cutting & Fabrication
Use abrasive saws or band saws with coolant. Deburr cut ends to prevent turbulence in fluid flow and ensure proper fitting connection.
Cleaning & Maintenance
For sanitary applications, clean with nitric acid passivation solution. Avoid chlorine-based cleaners that can cause pitting corrosion.
Temperature Considerations
Optimal service temperature range: -196°C to 800°C. For continuous use above 425°C, consider TP304H variant for better creep resistance.
Value-Added Processing Services
Beyond manufacturing, we offer precision processing to save your production time:
Precision Cutting
Fixed length with ±0.5mm tolerance for exact project requirements.
Beveling
End preparation for seamless welding and joint preparation.
U-Bending
Specialized for heat exchanger configurations and coil systems.
Surface Polishing
Up to 600 Grit for sanitary and decorative applications.
Payment & Shipping
Payment Terms
- T/T (Telegraphic Transfer)
- L/C at Sight (Letter of Credit)
- Western Union
- Flexible terms for long-term partners
Shipping Options
- Sea Freight (FCL/LCL)
- Air Freight for urgent orders
- Express for small samples
- Seaworthy wooden cases or bundles with end caps
Certifications & Standards
Our TP304L seamless tubing complies with international quality and safety standards:
ISO 9001:2015
PED Certification
TS Pressure Vessel
ASTM A213
EN 10216-5
EN 10204 3.1 MTR
Frequently Asked Questions
What is the difference between TP304 and TP304L?
TP304L has a lower carbon content (max 0.03%) compared to TP304 (max 0.08%), which prevents intergranular corrosion after welding.
Can these tubes be used in high-pressure environments?
Yes, seamless construction allows for significantly higher working pressures than welded tubing, making them ideal for demanding applications.
Do you provide Material Test Reports (MTRs)?
Every shipment includes a full Material Test Report (MTR) according to EN 10204 3.1, providing complete traceability and quality assurance.
What is the maximum length available?
Seamless tubes can be produced up to 25,000mm in length, reducing the need for joints and minimizing potential leak points.
Is the tubing suitable for food grade applications?
Yes, TP304L is widely used in food and beverage industries due to its excellent corrosion resistance, ease of cleaning, and smooth surface finish.
What surface finishes do you offer?
Available options include pickled, sandblasted, mechanically polished, and bright annealed finishes to meet various application requirements.
How do you ensure the OD and WT tolerances?
Using high-precision cold-drawing equipment and ultrasonic testing ensures compliance with ASTM standards, maintaining strict dimensional accuracy.
Can I get custom dimensions?
Absolutely, specialized customization for wall thickness, diameters, and lengths is available to meet specific engineering needs.
What is the typical lead time?
For standard sizes, lead time is 15-25 days; custom alloys or special specifications may take 30-45 days depending on complexity.
Do you ship internationally?
Yes, materials are exported to over 50 countries including the Middle East, Southeast Asia, Europe, and the Americas, with comprehensive logistics support.
Ready to Order TP304L Seamless Tubing?
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