Premium ASTM A269 TP316L seamless tubes, stainless steel 316L cold drawn, bright annealed, polished, heat exchanger, condenser, mechanical, and instrumentation tubing, UNS S31603 and WNR 1.4404 seamless tubes — trusted manufacturer and global exporter of 316L stainless steel seamless tubing.
New Eagle Industrial Corporation is a trusted manufacturer and global exporter of high-performance ASTM A269 TP316l Seamless tubing solutions. With a commitment to precision engineering, strict quality control, and on-time delivery. Our advanced production facilities and skilled workforce enable us to supply SS 316L seamless tubes that meet the most demanding international standards, ensuring reliability and corrosion resistance for critical process applications.
ASTM A269 TP316L SS seamless tubes are manufactured using high-grade austenitic stainless steel containing molybdenum, which provides superior resistance to pitting, crevice corrosion, and chloride environments. These tubes are produced through precision cold-drawing and heat-treatment processes to achieve accurate dimensions, excellent surface finish, and enhanced mechanical strength. We offers TP316L seamless tubes in a variety of conditions including cold drawn, bright annealed, polished, heat exchanger, instrumentation, and condenser tubing, all conforming to the requirements of ASTM A269.
Every tube from New Eagle Steel undergoes strict testing, including non-destructive inspection, dimensional checks, and hydrostatic tests, ensuring durability and compliance with international standards. Supplied with mill test certificates (EN 10204 3.1), our ASTM A269 TP316L seamless tubes are exported to the USA, Germany, UAE, Saudi Arabia, and India, delivering reliable stainless-steel tubing solutions worldwide.
SS 316L Seamless Tubes – Technical Specifications
ASTM A269 TP316L Tubes – Chemical Composition
Stainless steel 316L seamless tubing (ASTM A269) offers excellent chemical and thermal stability, resisting corrosion even in aggressive media. Molybdenum reinforcement provides enhanced longevity in chloride-heavy applications, making it suitable for heat exchangers, marine equipment, and chemical processing lines.
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Chromium (Cr) | 16.0 | 18.0 |
| Nickel (Ni) | 10.0 | 14.0 |
| Molybdenum (Mo) | 2.0 | 3.0 |
| Carbon (C) | — | 0.03 |
| Manganese (Mn) | — | 2.00 |
| Silicon (Si) | — | 1.00 |
| Phosphorus (P) | — | 0.045 |
| Sulfur (S) | — | 0.030 |
| Nitrogen (N) | — | 0.10 |
| Iron (Fe) | Balance | |
SS 316L Seamless Tubes – Mechanical Properties
Typical minimum mechanical values used for TP316L seamless tubing (cold-drawn / solution-annealed condition).
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (Ultimate) | 515–690 | MPa |
| Yield Strength | 205 | MPa |
| Elongation at Break | 40% | Percent |
| Hardness (Brinell) | ≤ 217 | HB |
| Modulus of Elasticity | 193 | GPa |
| Density | 8.0 | g/cm³ |
A269 TP316L Stainless Steel Tubing – International Equivalent Grades
The ASTM A269 TP316L stainless steel seamless tubes meet multiple worldwide standards. Refer to the table for equivalent grades as per various international codes and specifications.
| Standard | Specification / Designation | Grade / Material No. |
|---|---|---|
| ASTM / ASME | ASTM A269 / SA269 | TP316L / UNS S31603 |
| EN | EN 10088-2 / EN 10216-5 | X2CrNiMo17-12-2 / 1.4404 |
| DIN | DIN 17456 / DIN 17458 | 1.4404 |
| JIS (Japan) | JIS G3459 / JIS G4303 | SUS 316L |
| BS (United Kingdom) | BS 3605 / BS 970 | 316S31L |
| ISO | ISO 15510 | X2CrNiMo17-12-2 |
| AFNOR (France) | NF A35-572 | Z6CND17-12-02 |
| GOST (Russia) | GOST 5632 | 08Х17Н13М2 |
What makes ASTM A269 TP316L ss seamless tubes different from standard TP316 tubes?
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Carbon Content
- TP316L is the low-carbon variant of TP316.
- Maximum carbon content in TP316L: ≤0.03%.
- Maximum carbon content in TP316: ≤0.08%.
- Impact: Lower carbon in TP316L reduces the risk of sensitization during welding.
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Weldability
- TP316L’s low carbon allows better weldability.
- Minimizes carbide precipitation at grain boundaries, which can occur in standard TP316 during high-temperature welding.
- Ensures structural integrity and prevents weld decay or intergranular corrosion in welded assemblies.
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Corrosion Resistance
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Both TP316 and TP316L have excellent resistance to:
- Pitting corrosion in chloride-rich environments
- Crevice corrosion in localized areas
- Oxidation at elevated temperatures
- TP316L performs better in welded structures because the low carbon content prevents sensitization.
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Both TP316 and TP316L have excellent resistance to:
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High-Temperature Performance
- TP316L is suitable for high-temperature applications, similar to TP316.
- Carbon reduction helps prevent intergranular corrosion under prolonged high-temperature exposure.
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Mechanical Properties
- TP316L retains tensile strength, yield strength, and ductility similar to TP316.
- The mechanical integrity is maintained while providing enhanced corrosion resistance at weld zones.
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Summary
- TP316L = TP316 + Low Carbon (≤0.03%) → Improved weldability and resistance to intergranular corrosion.
- Ideal for critical welded assemblies while maintaining the same corrosion resistance and mechanical properties as standard TP316.
What are the manufacturing processes for TP316L seamless tubes?
TP316L seamless tubes are manufactured using seamless extrusion or cold drawing methods:
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Hot Extrusion / Piercing: A solid stainless-steel billet is heated and pierced to form a hollow tube.
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Cold Drawing: Tubes are pulled through dies to achieve precise outer diameter (OD) and wall thickness, improving surface finish and mechanical properties.
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Heat Treatment: Solution annealing or bright annealing at ~1040–1150°C followed by rapid cooling ensures homogeneous austenitic structure, stress relief, and corrosion resistance.
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Finishing: Polishing, deburring, and sometimes passivation to remove free iron from the surface, enhancing resistance to pitting and crevice corrosion.
How does TP316L perform in high-temperature and corrosive environments?
Due to its low carbon content, chromium, nickel, and molybdenum composition, TP316L tubes resist:
- Oxidation at high temperatures
- Pitting and crevice corrosion in chloride media
- Sensitization during welding
This makes them suitable for heat exchangers, chemical reactors, condenser tubes, and offshore pipelines where both mechanical and chemical resistance are critical.
Global Export Network for ASTM A269 TP316L Seamless Tubes
As a trusted manufacturer and exporter, New Eagle Steel supplies ASTM A269 TP316L Seamless Tubes worldwide. Our products are used in oil & gas, petrochemical, pharmaceutical, and power generation industries across Europe, the Middle East, Asia, and the Americas, delivering reliable performance and precision engineering.
- Middle East: United Arab Emirates (UAE), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey
- North Africa: Egypt, Algeria, Morocco, Tunisia, Libya
- Asia Pacific: Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Cambodia, Laos, Myanmar, Brunei, Timor-Leste, Taiwan, Japan, South Korea
- Europe: Spain, Belgium, Netherlands, France, Germany, Italy, United Kingdom (England), Poland, Cyprus, Malta, Russia
- Americas: Brazil, Mexico, Chile, Peru, Colombia, Argentina, United States (USA), Canada
- India: Chennai, Coimbatore, Bangalore, Thiruvananthapuram, Pune, Kolkata, Kerala, Karnataka, Gujarat, Mumbai, Delhi
High-Performance 316L Stainless Steel Tubing for Various Industries
Oil & Gas Industry
Petrochemical & Chemical Processing
Power Generation (Thermal, Nuclear & Renewable)
Marine & Offshore Engineering
Pharmaceuticals & Biotechnology
Food, Beverage & Dairy Processing
Pulp & Paper Industry
Aerospace & Defense
Automotive & Transportation
Instrumentation & Control Systems
Water Treatment & Desalination
HVAC & Heat Exchanger Systems
Construction & Infrastructure Projects
Mining & Metallurgy
