1.4404 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Manufacturers of 1.4404 Stainless Steel Seamless High Precision & Heat Exchanger Tubes engineered for chemical processing, pharmaceutical, marine, and long-term reliability in chloride-bearing and high-purity service environments.

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

1.4404 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Our 1.4404 Stainless Steel Seamless High Precision & Heat Exchanger Tubes (AISI 316L / UNS S31603) are engineered for demanding industrial applications where superior corrosion resistance, mechanical integrity, and long-term performance are essential. Manufactured from low-carbon austenitic stainless steel, these tubes provide excellent resistance to pitting, crevice corrosion, and intergranular corrosion, particularly in chloride-rich and high-purity environments.

The seamless construction ensures uniform wall thickness and a smooth internal surface, reducing pressure losses and improving heat transfer efficiency in critical systems. These tubes retain excellent strength and toughness across a wide temperature range, making them ideal for heat exchangers, condensers, chemical processing equipment, pharmaceutical systems, and marine piping.

Widely used in chemical, petrochemical, pharmaceutical, food processing, power generation, and offshore industries, our 1.4404 stainless steel seamless tubes undergo rigorous quality control and testing to meet international standards, delivering a reliable, durable, and high-performance solution for challenging operating conditions.

1.4404 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Comprehensive Reach

Our pipes and tubes are trusted in Mumbai and other major industrial cities across India, supporting critical sectors such as petrochemical, marine, chemical processing, and heavy infrastructure. In the Middle East, countries including Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE (Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah) rely on our products for oil & gas, desalination, seawater handling, and chemical processing projects. We are also a preferred supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where corrosion resistance and material reliability are essential.

In Europe, our pipes and tubes are extensively supplied to Italy, Spain, Germany, the United Kingdom (England, Wales, Scotland, and Ireland), Russia, Ukraine, Kazakhstan, Turkey, France, Greece, and Austria. These regions value our precision manufacturing, alloy consistency, and long-term performance in aggressive chemical and marine environments.

Africa, Americas & Asia-Pacific

Across Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia depend on our pipes and tubes for their exceptional resistance to corrosion, seawater exposure, and extreme environmental conditions.

In the Americas, our products serve the United States, Brazil, Argentina, Mexico, and Canada, supporting oil & gas, marine engineering, chemical processing, and heavy manufacturing sectors.

In the Asia-Pacific region, countries such as Sri Lanka, Malaysia, Singapore, the Philippines, Thailand, and Vietnam rely on our high-performance stainless steel tube solutions for marine, offshore, and industrial heat transfer applications.

Industries in Australia benefit from the durability and corrosion resistance of our pipes and tubes, particularly in marine, mining, desalination, and water treatment sectors.

Commitment to Quality

Wherever you operate—Doha, Dubai, London, Moscow, or New York—Seminox Pipes & Tubes delivers premium-quality 1.4401 Stainless Steel Seamless High Precision & Heat Exchanger Tubes (AISI 316), manufactured to meet international standards. Our global footprint reflects the trust industries place in our ability to supply reliable, corrosion-resistant, and high-performance stainless steel tube solutions for the world’s most demanding environments.

Key Features of 1.4404 Stainless Steel Seamless Tubes (AISI 316L)

Precision Seamless Construction

Manufactured using advanced seamless forming technology to ensure uniform wall thickness, excellent dimensional accuracy, and a smooth internal surface for efficient fluid flow and heat transfer performance.

Enhanced Corrosion Resistance

The low-carbon, molybdenum-enhanced austenitic structure of 1.4404 (AISI 316L) provides superior resistance to pitting, crevice corrosion, and intergranular corrosion, especially in chloride-rich, chemical, and high-purity process environments.

High Strength & Thermal Stability

Maintains excellent mechanical strength, ductility, and structural stability across a wide temperature range, making it suitable for elevated-temperature heat exchanger and critical process system applications.

Excellent Heat Transfer Performance

Smooth internal bore and consistent metallurgy improve thermal efficiency and reduce fouling, ensuring reliable performance in condensers, boilers, and industrial heat exchangers.

Resistance to Stress Corrosion & Oxidation

Offers strong resistance to stress corrosion cracking and oxidation in moderately aggressive chemical and marine atmospheres, supporting long-term operational reliability and safety.

Extended Service Life

Manufactured under stringent quality assurance systems to ensure long-term durability, reduced maintenance requirements, and lower total lifecycle costs in demanding industrial and offshore environments.

Product Specification

Outside Diameter
6.35 mm to 114.30 mm
Wall Thickness
0.71 mm to 12.70 mm
Grade / Material
EN 1.4404 (X2CrNiMo17-12-2) / AISI 316L / UNS S31603
Standards & Specifications
ASTM A213 / ASTM A269 / ASTM A249 / ASTM A554
ASME SA213 / ASME SA269
EN 10216-5 / EN 10217-7
DIN 17456 / DIN 17458
JIS G3463 / JIS G3459
NF A49-117 / Customer Drawing & Technical Requirements
Length
Standard: 6 meters • Random Lengths • Up to 30 meters
Custom cut lengths available as per project requirements
Surface Finish
Mill Finish, Annealed & Pickled (AP), Bright Annealed (BA), Polished (180 / 240 / 320 / 400 Grit), Electropolished
Applications
Heat Exchangers & Condensers, Chemical & Petrochemical Plants, Marine & Offshore Systems, Food & Pharmaceutical Processing, Oil & Gas Process Lines, Desalination Units, Pressure Vessels, Industrial Piping Systems

Manufacturing, Testing & Quality Assurance

Advanced Manufacturing

1.4404 Stainless Steel Seamless Tubes (AISI 316L) are manufactured using advanced seamless tube forming, solution annealing, and controlled heat treatment processes. The low-carbon chromium–nickel–molybdenum alloy composition ensures exceptional corrosion resistance, enhanced weldability, and a uniform metallurgical structure, making these tubes ideal for aggressive chemical, marine, offshore, and heat transfer environments where intergranular corrosion resistance is critical.

Inspection & Testing

Each seamless tube undergoes stringent inspection and testing including Eddy Current Testing (ECT), Hydrostatic Pressure Testing, Positive Material Identification (PMI), dimensional verification, chemical analysis, and detailed visual inspection to ensure structural integrity, material conformity, and defect-free performance in high-precision and critical service applications.

Certifications & Compliance

Manufactured in compliance with ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU requirements. Tubes are supplied with EN 10204 3.1 / 3.2 certification, ensuring full traceability, compliance with international standards, and adherence to global quality, environmental, occupational safety, and pressure equipment directives.

Typical Applications

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

Looking for 1.4404 Stainless Steel Seamless Heat Exchanger Tubes?

Contact Seminox Pipes & Tubes for expert technical support, competitive pricing, and reliable global supply of premium 1.4404 Stainless Steel Seamless High Precision & Heat Exchanger Tubes (AISI 316L / UNS S31603), engineered for marine, chemical processing, pharmaceutical, and chloride-rich service environments requiring superior corrosion resistance and long-term performance.

Get in Touch

Phone Number

022 6659 5296
+91 9987403801
+918433943801

Email

domestic@seminoxpipes.com
export@seminoxpipes.com

Address

1219 / 1220, 12th Floor, Prasad Chambers, Girgaon, Mumbai- 400004

Business Hours

Monday — Friday 9am – 5pm
Saturday — 10am – 3pm
Sunday — Closed

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