1.4401 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Manufacturers of 1.4401 Stainless Steel Seamless High Precision & Heat Exchanger Tubes engineered for chemical processing, marine, pharmaceutical, long-term mechanical strength.

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

1.4401 Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Our 1.4401 Stainless Steel Seamless High Precision & Heat Exchanger Tubes (AISI 316 / UNS S31600) are engineered for demanding industrial applications where excellent corrosion resistance, mechanical strength, and long-term reliability are essential. Manufactured from high-quality austenitic stainless steel, these tubes offer outstanding resistance to pitting and crevice corrosion, particularly in chloride-rich and marine environments.

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

Widely used in chemical, petrochemical, pharmaceutical, food processing, power generation, and offshore industries, our 1.4401 stainless steel seamless tubes undergo rigorous quality control and testing to meet international standards, delivering a durable, cost-effective, and high-performance solution for challenging operating conditions.

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 1.4401 Stainless Steel Seamless Tubes (AISI 316)

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.

Superior Corrosion Resistance

The molybdenum-enhanced austenitic structure of 1.4401 (AISI 316) provides excellent resistance to pitting, crevice corrosion, and chemical attack, particularly in chloride-rich and marine environments.

High Strength & Thermal Stability

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

Excellent Heat Transfer Performance

Smooth internal bore and consistent metallurgy enhance thermal conductivity and minimize 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.

Extended Service Life

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

Product Specification

Outside Diameter
6.35 mm to 114.30 mm
Wall Thickness
0.71 mm to 12.70 mm
Grade / Material
EN 1.4401 (X5CrNiMo17-12-2) / AISI 316 / UNS S31600
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

1.4401 Stainless Steel Seamless Tubes (AISI 316) are manufactured using advanced seamless tube forming, solution annealing, and controlled heat treatment processes. The chromium–nickel–molybdenum alloy composition ensures excellent corrosion resistance, high mechanical strength, and uniform metallurgical structure, making these tubes suitable for aggressive chemical, marine, offshore, and heat transfer environments.

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 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, adherence to international quality management systems, environmental regulations, occupational safety standards, and pressure equipment directives.

Typical Applications

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

Looking for 1.4401 Stainless Steel Seamless Heat Exchanger Tubes?

Contact Seminox Pipes & Tubes for expert technical support, competitive pricing, and reliable global supply of premium 1.4401 Stainless Steel Seamless High Precision & Heat Exchanger Tubes (AISI 316), engineered for marine, chemical processing, oil & gas, 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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