ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Manufacturers and suppliers of ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes designed for heat exchangers, condensers, boilers, and high-temperature service applications.

ISO 9001:2015 • ISO 14001:2015 • ISO 45001:2018 • PED 2014/68/EU Certified

ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Our ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes are manufactured to meet stringent international standards for high-temperature and high-pressure service applications. Produced from premium austenitic and ferritic stainless steel grades, these tubes deliver excellent corrosion resistance, superior mechanical strength, and long-term dimensional stability in demanding operating environments.

The seamless, high-precision construction ensures uniform wall thickness and smooth internal surfaces, improving fluid flow efficiency and maximizing heat transfer performance in critical systems such as heat exchangers, boilers, superheaters, and condensers.

Widely used across petrochemical, power generation, chemical processing, marine, and industrial sectors, our ASTM A213 tubes undergo rigorous inspection and testing to ensure compliance with international specifications, delivering a reliable, durable, and cost-effective solution for continuous-duty and high-temperature service conditions.

ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Comprehensive Reach

Our ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes are trusted across major industrial cities in India and throughout the Middle East, including the UAE, Saudi Arabia, Qatar, Kuwait, and Oman, supporting oil & gas, chemical processing, power generation, desalination, and large-scale infrastructure projects.

In Europe, we supply Italy, Germany, Spain, the United Kingdom, France, and Turkey, where our ASTM A213 stainless steel tubes are valued for precision manufacturing, corrosion resistance, and reliable performance in demanding chemical, thermal, and high-temperature service environments.

Africa, Americas & Asia-Pacific

Across Africa, the Americas, and the Asia-Pacific region, our ASTM A213 stainless steel tubes serve power generation, chemical processing, marine, and heavy manufacturing industries, delivering dependable performance in corrosive, high-pressure, and continuous high-temperature operating conditions.

Commitment to Quality

Wherever you operate—Doha, Dubai, London, or New York—Seminox Pipes & Tubes delivers premium-quality ASTM A213 Stainless Steel Seamless High Precision & Heat Exchanger Tubes, manufactured to international standards for durability, reliability, and long-term performance in critical service environments.

Key Features of ASTM A213 Stainless Steel Seamless Heat Exchanger Tubes

High-Precision Seamless Construction

Manufactured through seamless hot extrusion and cold drawing to ensure uniform wall thickness, tight dimensional tolerances, and smooth internal surfaces for efficient fluid flow and heat transfer performance.

Multiple TP Grade Options

Available in ASTM A213 TP304, TP304L, TP316, TP316L, TP321, TP347, and other austenitic stainless steel grades to suit corrosive, high-temperature, and pressure-critical service conditions.

Excellent Corrosion Resistance

Molybdenum-bearing and stabilized stainless steel grades offer strong resistance to pitting, oxidation, and chemical attack in aggressive industrial, marine, and chemical processing environments.

High-Temperature & Pressure Performance

Designed for continuous service in boilers, superheaters, and heat exchangers, maintaining mechanical strength and metallurgical stability at elevated operating temperatures and pressures.

Superior Heat Transfer Efficiency

Smooth bore finish and consistent metallurgy reduce fouling and enhance thermal conductivity, improving system efficiency and operational reliability.

Long Service Life & Reliability

Built for durability with reduced maintenance requirements and lower lifecycle costs in continuous-duty, corrosive, and high-temperature industrial service environments.

Product Specification – ASTM A213 Stainless Steel Seamless Heat Exchanger Tubes

Outside Diameter
6.35 mm to 114.30 mm (1/4” to 4.5”)
Wall Thickness
0.71 mm to 12.70 mm (0.028” to 0.500”)
Grades / Material
ASTM A213 TP304 / TP304L / TP316 / TP316L / TP321 / TP347 / TP347H
Austenitic Stainless Steel Seamless Tubes
Manufacturing Process
Seamless (Hot Extruded / Cold Drawn) • Solution Annealed • Pickled / Bright Annealed
Standards & Specifications
ASTM A213 / A213M – Seamless Ferritic & Austenitic Alloy-Steel Boiler, Superheater & Heat Exchanger Tubes
ASME SA213
ASTM A269 – General Purpose Stainless Steel Tubing (where applicable)
EN 10216-5 / DIN EN ISO 1127
Customer Drawings & Project Specifications
Length
Standard: 6 meters • Random Lengths • Up to 30 meters
Custom cut lengths as per EPC / Project Requirements
Surface Finish
Annealed & Pickled (AP), Bright Annealed (BA),
Polished (180 / 240 / 320 / 400 Grit), Electropolished
Mechanical Properties (Typical)
Tensile Strength: ≥ 515 MPa (Grade dependent)
Yield Strength: ≥ 205 MPa (Grade dependent)
Elongation: ≥ 30%
Applications
Heat Exchangers & Condensers, Boilers & Superheaters,
Power Generation Systems, Chemical & Petrochemical Plants,
Oil & Gas Processing Units, Pressure Vessels,
High-Temperature & High-Pressure Service Lines

Manufacturing, Testing & Quality Assurance – ASTM A213 Stainless Steel Seamless Tubes

Advanced Manufacturing

ASTM A213 Stainless Steel Seamless Tubes are manufactured using hot extrusion and cold drawing processes to achieve precise dimensional accuracy, uniform wall thickness, and superior surface finish. Tubes are solution annealed and heat treated in accordance with ASTM A213 / ASME SA213 requirements to ensure optimal mechanical properties, corrosion resistance, and metallurgical stability for high-temperature and high-pressure service in boilers, superheaters, and heat exchangers.

Inspection & Testing

Each tube undergoes mandatory testing and inspection as per ASTM A213 / ASME SA213, including chemical composition analysis, tensile and mechanical property testing, flattening and flaring tests, hydrostatic pressure testing or non-destructive electric testing (Eddy Current / Ultrasonic), dimensional verification, and detailed visual inspection to ensure compliance, structural integrity, and reliable performance under elevated temperature and pressure conditions.

Certifications & Compliance

Tubes are manufactured in accordance with ASTM A213, ASME SA213, EN 10216-5, and applicable international standards. Full material traceability is maintained and products are supplied with EN 10204 3.1 / 3.2 certification, along with compliance to ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU requirements for quality management, environmental responsibility, occupational safety, and pressure equipment conformity.

Typical Applications of UNS S31803 Duplex Stainless Steel Seamless Tubes

Heat Exchangers & Condensers
Oil & Gas Processing & Utility Lines
Marine & Offshore Piping Systems
Chemical & Petrochemical Processing Plants
Desalination & Seawater Handling Systems
Pressure Vessels & High-Pressure Piping
Power Generation & Thermal Transfer Systems
Pulp & Paper Industry Equipment
Industrial Systems Exposed to Chlorides & Corrosive Media

Looking for UNS S31803 Duplex Stainless Steel Seamless Heat Exchanger Tubes?

Connect with Seminox Pipes & Tubes for expert technical support, competitive pricing, and dependable global supply of premium UNS S31803 Duplex Stainless Steel Seamless High Precision & Heat Exchanger Tubes, engineered for oil & gas, marine, chemical processing, and chloride-rich environments requiring high strength, superior corrosion resistance, and long-term performance.

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