ASTM A269 TP316 seamless tubes, stainless steel 316 seamless tubes, SS 316 seamless tubing, ASTM A269 TP316 cold drawn tubes, TP316 bright annealed tubes, SS 316 polished tubes, ASTM A269 TP316 heat exchanger tubes, ASTM A269 TP316 tubing manufacturer, TP316 seamless tube exporter
New Eagle Industrial Corporation is a trusted manufacturer and global exporter of ASTM A269 TP316 seamless tubes, designed for superior corrosion resistance, strength, and dimensional accuracy. Manufactured from austenitic stainless steel grade 316, these tubes contain molybdenum, offering enhanced protection against chlorides, acidic solutions, and harsh chemical media. The seamless manufacturing process ensures a uniform wall thickness, smooth internal surface, and defect-free finish, ideal for critical fluid and gas transfer applications. Each tube is rigorously tested and certified to ASTM A269 and ISO 9001:2015 standards, meeting international engineering and safety requirements.
Our TP316 stainless steel seamless tubes are available in outer diameters ranging from 6mm to 114mm, with customized wall thickness options and precision surface finishes such as bright annealed and polished. These tubes are widely used in instrumentation lines, heat exchangers, condensers, hydraulic circuits, and general process piping systems. Known for excellent mechanical strength, corrosion resistance, and clean weldability, they are a preferred choice in the chemical, petrochemical, oil & gas, marine, and power generation industries.
With over five decades of metallurgical expertise, New Eagle Steel exports TP316 seamless tubes across the Middle East, Europe, and Asia, including the UAE, Saudi Arabia, Singapore, Germany, and Japan, ensuring consistent quality, prompt deliveries, and global technical support.
Technical Specifications of SS 316 Seamless Tubes
Chemical Composition of ASTM A269 TP316 Seamless Tubes
The chemical composition of ASTM A269 TP316 stainless steel seamless tubes provides excellent resistance to corrosion, pitting, and high-temperature oxidation. The presence of molybdenum (Mo) improves performance in chloride-containing environments, making these tubes suitable for chemical, marine, and heat-transfer applications.
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Chromium (Cr) | 16.0 | 18.0 |
| Nickel (Ni) | 10.0 | 14.0 |
| Molybdenum (Mo) | 2.00 | 3.00 |
| Carbon (C) | — | 0.08 |
| Manganese (Mn) | — | 2.00 |
| Silicon (Si) | — | 1.00 |
| Phosphorus (P) | — | 0.045 |
| Sulfur (S) | — | 0.030 |
| Nitrogen (N) | — | 0.10 |
| Iron (Fe) | Balance | |
Mechanical Properties of Stainless Steel 316 Seamless Tubes
Typical minimum mechanical values used for TP316 seamless tubing (cold-drawn / solution-annealed condition).
| Property | Value | Units / Notes |
|---|---|---|
| Tensile Strength (Minimum) | ≥ 515 | MPa |
| Yield Strength (0.2% offset, Minimum) | ≥ 205 | MPa |
| Elongation (Minimum) | ≥ 35 | % in 50 mm or 2″ |
| Hardness (Typical Maximum) | ≤ 90 | HRB (Rockwell B) |
| Operating Temperature (Continuous) | Up to 870 | °C (approx. 1600 °F) |
Equivalent Grades of ASTM A269 TP316 Stainless Steel
ASTM A269 TP316 seamless tubes correspond to several international standards. The following table lists equivalent grades under different specifications and standards bodies.
| Standard | Specification / Designation | Grade / Material No. |
|---|---|---|
| ASTM / ASME | ASTM A269 / SA269 | TP316 / UNS S31600 |
| EN | EN 10088-2 / EN 10216-5 | X5CrNiMo17-12-2 / 1.4401 |
| DIN | DIN 17456 / DIN 17458 | 1.4401 |
| JIS (Japan) | JIS G3459 / JIS G4303 | SUS 316 |
| BS (United Kingdom) | BS 3605 / BS 970 | 316S31 |
| ISO | ISO 15510 | X5CrNiMo17-12-2 |
| AFNOR (France) | NF A35-572 | Z6CND17-11-02 |
| GOST (Russia) | GOST 5632 | 03Ch17N14M3 |
What is ASTM A269 TP316 Seamless Tube and where is it used?
ASTM A269 TP316 seamless tubes are precision-engineered austenitic stainless-steel tubes manufactured to meet the ASTM A269 specification. These tubes are made from grade 316, which contains molybdenum for improved corrosion resistance in chloride and acidic environments. The seamless manufacturing process ensures smooth internal surfaces, uniform wall thickness, and excellent dimensional accuracy — making them ideal for instrumentation lines, condensers, heat exchangers, and hydraulic systems.
Due to their superior mechanical strength and resistance to pitting and crevice corrosion, TP316 seamless tubes are widely used in chemical processing, oil & gas, food and beverage, marine, and pharmaceutical industries.
What are the dimensional standards and available size range of ASTM A269 TP316 seamless tubes?
ASTM A269 TP316 seamless tubes are manufactured in accordance with the dimensional standards defined by ASTM A269, ASME B36.19M, and ISO/EN equivalents, ensuring precise tolerances and consistent quality. These tubes are available in outside diameters (OD) ranging from 6mm to 114mm (1/8” to 4” NB) with wall thicknesses from 0.5mm to 8mm depending on the application.
The lengths are typically supplied in straight form (up to 6 meters) or U-bent/coil form for heat exchangers and instrumentation systems. Dimensional accuracy is maintained through cold drawing and bright annealing processes, ensuring smooth internal surfaces and uniform wall thickness. Each tube undergoes hydrostatic testing, eddy current inspection, and dimensional calibration to meet international export quality standards.
What are the testing and inspection standards for ASTM A269 TP316 seamless tubes?
ASTM A269 TP316 seamless tubes undergo a comprehensive range of destructive and non-destructive testing (NDT) procedures to ensure compliance with international quality standards. Each tube is tested according to ASTM A269 and ASME SA269 specifications, ensuring mechanical integrity, corrosion resistance, and dimensional accuracy.
Common tests include:
- Hydrostatic Test – to verify leak-tightness and pressure resistance.
- Eddy Current Test (ECT) – to detect surface and sub-surface discontinuities.
- Ultrasonic Test (UT) – for identifying internal flaws or inclusions in thicker sections.
- Positive Material Identification (PMI) – to confirm grade accuracy as per ASTM A240 TP316 chemistry.
- Flattening and Flaring Tests – to evaluate ductility and mechanical performance.
- Intergranular Corrosion Test (IGC) – per ASTM A262 Practice E, ensuring corrosion resistance after welding or heat exposure.
In addition, tubes are supplied with EN 10204 3.1 or 3.2 inspection certificates, and quality assurance is maintained under ISO 9001:2015 and ISO 45001:2018 certified systems.
Global Export Network for ASTM A269 TP316 Seamless Tubes
New Eagle Steel exports ASTM A269 TP316 seamless tubes to a wide range of international markets, ensuring consistent quality and on-time delivery. Our tubes are supplied to leading industries across the Middle East, North Africa, Asia, Europe, and the Americas for applications in oil & gas, petrochemical, instrumentation, and process engineering sectors.
- 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
Industries We Serve with High-Performance SS 316 Seamless Tubing Solutions
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
