316LN Stainless Steel Seamless ‘U’-Tubes

High Precision & Heat Exchanger Tubes

Manufacturers of 316LN Stainless Steel Seamless ‘U’-Tubes engineered for superior corrosion resistance, enhanced mechanical strength, and high-performance heat transfer in critical industrial applications.

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

316LN Stainless Steel Seamless ‘U’-Tubes

High Precision & Heat Exchanger Tubes for Demanding Industrial Applications

Introducing our 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes, engineered for demanding industrial environments that require exceptional strength, superior corrosion resistance, and reliable thermal performance. Manufactured from nitrogen-enhanced 316LN stainless steel, these tubes offer outstanding resistance to pitting, crevice corrosion, intergranular corrosion, and stress corrosion cracking, even in aggressive chemical, high-pressure, and high-temperature environments.

The seamless construction ensures a smooth internal surface that minimizes pressure drops and improves fluid flow efficiency. The precision-engineered ‘U’-bend configuration enhances heat transfer performance, making these tubes ideal for heat exchangers, condensers, boilers, and critical process systems.

Widely used across petrochemical, power generation, pharmaceutical, and food processing industries, our 316LN stainless steel seamless ‘U’-tubes undergo rigorous quality control and non-destructive testing to meet stringent international standards. The result is a durable, reliable, and cost-effective solution that delivers long service life, consistent performance, and reduced maintenance costs in critical applications.

Comprehensive Global Reach

Our pipes and tubes are trusted across Mumbai and other key industrial cities in India, supporting critical manufacturing, energy, and infrastructure projects. In the Middle East, countries such as Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE—including Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah—rely on our products for oil & gas, water treatment, and large-scale infrastructure developments. We are also a preferred supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where quality, compliance, and long-term performance are essential.

Across Europe, our precision-engineered pipes and tubes are widely used in Italy, Spain, Germany, the United Kingdom (England, Wales, Scotland, and Ireland), Russia, Ukraine, Kazakhstan, Turkey, France, Greece, and Austria. These regions benefit from our products’ superior corrosion resistance, dimensional accuracy, and extended service life in demanding manufacturing, construction, and energy sector applications.

Africa, Americas & Asia-Pacific

Throughout Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia trust our tubes for their high resistance to corrosion and extreme environmental and operating conditions.

In the Americas, our products serve key markets in the United States, Brazil, Argentina, Mexico, and Canada, supporting oil & gas, construction, power generation, and advanced manufacturing sectors.

In the Asia-Pacific region, countries such as Sri Lanka, Malaysia, Singapore, the Philippines, Thailand, and Vietnam depend on our high-performance tube solutions for heat exchangers, process systems, and critical industrial applications.

Industries in Australia rely on our tubes for mining, energy, and water treatment projects that demand durability, strength, and consistent long-term performance.

Commitment to Quality

Wherever you are—whether in Doha, Dubai, London, Moscow, or New York—Seminox Pipes & Tubes delivers premium-quality 316LN Stainless Steel Seamless High Precision & Heat Exchanger ‘U’-Tubes manufactured to meet stringent international standards. Our global presence reflects the trust industries place in our ability to provide reliable, corrosion-resistant, and high-strength tube solutions tailored for the world’s most demanding environments.

Key Features of 316LN Stainless Steel Seamless ‘U’-Tubes

Seamless Precision Construction

Uniform, defect-free tube structure with a smooth internal bore for optimized fluid flow, enhanced mechanical integrity, and consistent dimensional accuracy.

Superior Corrosion Resistance

Excellent resistance to pitting, crevice corrosion, and chloride-induced degradation, making it ideal for aggressive chemical and marine environments.

Nitrogen-Enhanced Mechanical Strength

Increased nitrogen content improves yield strength and structural stability while maintaining excellent ductility, formability, and weldability.

High Temperature & Pressure Performance

Designed for reliable operation in heat exchangers, condensers, and boilers exposed to elevated temperatures and high-pressure service conditions.

Optimized Internal Surface Finish

Minimizes pressure drop and enhances thermal efficiency across critical process and heat transfer applications.

Long Service Life & Low Maintenance

Manufactured under stringent quality control and testing protocols to deliver long-term reliability, reduced downtime, and lower total lifecycle costs.

Technical Specifications – 316LN Stainless Steel Seamless ‘U’-Tubes

Outside Diameter (OD)
12.70 mm to 50.80 mm
Wall Thickness
0.89 mm to 5.00 mm
Available Grades
TP-304, 304L, 304H, 304N, 304LN, 316, 316L, 316H, 316Ti, 316N, 316LN, 310, 317, 317L, 321, 321H, 347, 347H, Duplex & Super Duplex Grades (UNS S31260, S31500, S31803, S32205, S32304, S32750, S32760), TP-405, 410
Standards & Specifications
ASTM, ASME, DIN EN, JIS (Japan), NF (AFNOR), and as per customer drawings
Length
Up to 30 meters (Custom lengths available)
Typical Applications
LP / HP Heaters, Fertilizer Plants, Power Plants, Petrochemical & Refineries, Air Fin Coolers, Nuclear Power Plants, Heat Exchangers, Condensers, and Boilers

Manufacturing, Testing & Quality Assurance

Advanced Manufacturing Processes

Our 316LN Stainless Steel Seamless ‘U’-Tubes are produced using advanced seamless extrusion, cold drawing, and precision U-bending technology to ensure exceptional dimensional accuracy, uniform wall thickness, and consistent metallurgical properties throughout the tube length.

Comprehensive Inspection & Testing

Each tube undergoes rigorous non-destructive and mechanical testing, including Eddy Current Testing (ECT), Hydrostatic Pressure Testing, Positive Material Identification (PMI), dimensional verification, and detailed visual inspection to ensure structural integrity and defect-free performance.

Certifications & Regulatory Compliance

Manufactured in accordance with international standards such as ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU, ensuring full compliance with global quality, environmental, occupational safety, and pressure equipment regulatory requirements.

Typical Applications of 316LN Stainless Steel Seamless ‘U’-Tubes

Heat Exchangers
Condensers
Thermal & Nuclear Power Plants
Petrochemical & Refinery Units
Fertilizer & Chemical Processing Plants
Nuclear Power Stations
Air Fin Coolers
Boilers & Pressure Vessels
Critical Process & Heavy Industries

Request a Quote for 316LN Stainless Steel Seamless ‘U’-Tubes

Connect with Seminox Pipes & Tubes for expert technical guidance, fast turnaround times, and competitive pricing on high-performance 316LN Stainless Steel Seamless High Precision & Heat Exchanger U-Tubes engineered for critical heat transfer and pressure service applications worldwide.

316LN Stainless Steel Seamless Tubes

High Precision & Heat Exchanger Tubes

Manufacturers of 316LN Stainless Steel Seamless Tubes engineered for superior corrosion resistance, high mechanical strength, and precise dimensional accuracy. Our tubes are designed to deliver efficient heat transfer and long-term performance in critical industrial, thermal, and high-pressure heat exchanger applications.

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

316LN Stainless Steel Seamless Tubes

High Precision & Heat Exchanger Tubes for Demanding Industrial Applications

Introducing our 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes, engineered for critical industrial environments that demand exceptional mechanical strength, superior corrosion resistance, and consistent thermal performance. Manufactured from nitrogen-enhanced 316LN stainless steel, these tubes provide outstanding resistance to pitting, crevice corrosion, intergranular corrosion, and stress corrosion cracking, even in aggressive chemical, high-pressure, and high-temperature operating conditions.

The seamless construction delivers a smooth internal surface that minimizes pressure losses and enhances fluid flow efficiency, resulting in improved heat transfer performance and reduced energy consumption. Tight dimensional tolerances and high surface finish quality ensure reliable integration into precision heat exchanger systems, condensers, boilers, and critical process piping networks.

Widely used across petrochemical, power generation, pharmaceutical, marine, and food processing industries, our 316LN stainless steel seamless tubes undergo stringent quality control, non-destructive testing, and mechanical and chemical verification to meet international standards. The result is a durable, long-lasting, and cost-effective solution that delivers consistent performance, reduced maintenance, and extended service life in mission-critical thermal and pressure-based applications.

316LN Stainless Steel Seamless High Precision Heat Exchanger Tubes

Comprehensive Global Reach

Our high-precision and heat exchanger tubes are trusted across Mumbai and other key industrial cities in India, supporting critical manufacturing, energy, and infrastructure projects. In the Middle East, countries such as Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE—including Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah—rely on our products for oil & gas, water treatment, and large-scale infrastructure developments.

We are also a preferred supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where consistent quality, regulatory compliance, and long-term operational reliability are essential.

Across Europe, our precision-engineered stainless steel tubes are widely used in Italy, Spain, Germany, the United Kingdom (England, Wales, Scotland, and Ireland), Russia, Ukraine, Kazakhstan, Turkey, France, Greece, and Austria. These regions depend on our products for their superior corrosion resistance, tight dimensional tolerances, and extended service life in demanding manufacturing, construction, and energy-sector applications.

Africa, Americas & Asia-Pacific

Throughout Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia trust our tubes for their ability to perform reliably in corrosive, high-temperature, and environmentally challenging operating conditions.

In the Americas, our products serve key markets in the United States, Brazil, Argentina, Mexico, and Canada, supporting oil & gas, power generation, advanced manufacturing, and major infrastructure projects.

In the Asia-Pacific region, countries such as Sri Lanka, Malaysia, Singapore, the Philippines, Thailand, and Vietnam rely on our high-performance tube solutions for heat exchangers, process systems, and critical industrial operations.

Industries in Australia benefit from our tubes in mining, energy, and water treatment sectors that demand exceptional strength, durability, and long-term performance.

Commitment to Quality

Wherever you are—whether in Doha, Dubai, London, Moscow, or New York—Seminox Pipes & Tubes delivers premium-quality 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes manufactured to meet stringent international standards.

Our global presence reflects the confidence industries place in our ability to provide reliable, corrosion-resistant, and high-strength tube solutions designed for the world’s most demanding thermal, pressure, and process environments.

Key Features of 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Seamless Precision Construction

Uniform, defect-free tube structure with a smooth internal bore for optimized fluid flow, enhanced mechanical integrity, and consistent dimensional accuracy.

Superior Corrosion Resistance

Excellent resistance to pitting, crevice corrosion, and chloride-induced degradation, making it ideal for aggressive chemical, offshore, and marine environments.

Nitrogen-Enhanced Mechanical Strength

Increased nitrogen content improves yield strength and structural stability while maintaining excellent ductility, formability, and weldability.

High Temperature & Pressure Performance

Designed for reliable operation in heat exchangers, condensers, boilers, and high-pressure process systems exposed to elevated temperatures.

Optimized Internal Surface Finish

Minimizes pressure drop and enhances thermal efficiency across critical process piping and heat transfer applications.

Long Service Life & Low Maintenance

Manufactured under stringent quality control and non-destructive testing protocols to deliver long-term reliability, reduced downtime, and lower total lifecycle costs.

Technical Specifications – 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes

Outside Diameter (OD)
12.70 mm to 50.80 mm
Wall Thickness
0.89 mm to 5.00 mm
Available Grades
TP-304, 304L, 304H, 304N, 304LN, 316, 316L, 316H, 316Ti, 316N, 316LN, 310, 317, 317L, 321, 321H, 347, 347H, Duplex & Super Duplex Grades (UNS S31260, S31500, S31803, S32205, S32304, S32750, S32760), TP-405, 410
Standards & Specifications
ASTM, ASME, DIN EN, JIS (Japan), NF (AFNOR), and as per customer drawings
Length
Up to 30 meters (Custom lengths available)
Typical Applications
LP / HP Heaters, Fertilizer Plants, Power Plants, Petrochemical & Refineries, Air Fin Coolers, Nuclear Power Plants, Heat Exchangers, Condensers, and Boilers

Manufacturing, Testing & Quality Assurance

Advanced Manufacturing Processes

Our 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes are manufactured using advanced seamless extrusion, cold drawing, and precision finishing processes to ensure exceptional dimensional accuracy, uniform wall thickness, and consistent metallurgical properties throughout the tube length.

Comprehensive Inspection & Testing

Each tube undergoes rigorous non-destructive and mechanical testing, including Eddy Current Testing (ECT), Hydrostatic or Pneumatic Pressure Testing, Positive Material Identification (PMI), dimensional verification, and detailed visual inspection to ensure structural integrity and defect-free performance.

Certifications & Regulatory Compliance

Manufactured in accordance with international standards such as ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ASTM, ASME, and PED 2014/68/EU, ensuring full compliance with global quality, environmental, occupational safety, and pressure equipment regulatory requirements.

Typical Applications of 316LN Stainless Steel Seamless High Precious & Heat Exchanger Tubes

Heat Exchangers & Thermal Transfer Systems
Condensers & Cooling Systems
Thermal & Nuclear Power Plants
Petrochemical & Refinery Process Piping
Fertilizer & Chemical Processing Units
Energy & Power Generation Facilities
Air Fin Coolers & HVAC Systems
Boilers, Pressure Vessels & Steam Lines
Critical Process & Heavy Engineering Industries

Request a Quote for 316LN Stainless Steel Seamless Tubes

Connect with Seminox Pipes & Tubes for expert technical guidance, fast turnaround times, and competitive pricing on high-performance 316LN Stainless Steel Seamless High Precision & Heat Exchanger Tubes engineered for critical heat transfer and pressure service applications worldwide.

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

Send Us a Message

Powered by Seminox Pipes & Tubes Pvt Ltd | Designed and Developed by Skytech SEO Solutions