304LN Stainless Steel Seamless ‘U’-Tubes

Manufacturers of 304LN Stainless Steel Seamless ‘U’-Tubes engineered for enhanced strength, excellent corrosion resistance, and reliable performance in heat exchangers, condensers, boilers, and critical industrial applications.

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

304LN Stainless Steel Seamless ‘U’-Tubes

Our 304LN Stainless Steel Seamless ‘U’-Tubes are engineered for applications requiring enhanced strength, superior corrosion resistance, and long-term reliability. Manufactured from premium low-carbon, nitrogen-enhanced 304LN stainless steel, these tubes offer excellent structural stability and resistance to sensitization, even in demanding service conditions.

The seamless construction provides a smooth internal surface that improves fluid flow efficiency while minimizing pressure losses. Precision-formed ‘U’-bend geometry ensures optimized heat transfer performance, making these tubes ideal for heat exchangers, condensers, and boiler systems.

Widely used in petrochemical, power generation, pharmaceutical, and food processing industries, our 304LN stainless steel seamless ‘U’-tubes undergo rigorous quality control and testing to meet international performance standards. Choose these tubes for a reliable, cost-effective solution that reduces maintenance requirements and ensures efficient, long-lasting operation.

304LN Stainless Steel Seamless U-Tubes

Comprehensive Reach

Our 304LN Stainless Steel Seamless ‘U’-Tubes are supplied across India, including Mumbai and other major industrial hubs, supporting critical sectors such as power generation, petrochemicals, refineries, pharmaceuticals, and food processing industries.

In the Middle East, we serve countries including Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE—covering Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah—where enhanced strength and corrosion resistance are essential for energy, water treatment, and infrastructure projects.

We are also a preferred supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where industries rely on 304LN stainless steel U-tubes for their excellent resistance to sensitization, improved mechanical strength, and long-term service reliability.

Across Europe, our products are supplied to Italy, Spain, Germany, the United Kingdom, France, Greece, Austria, Turkey, Russia, Ukraine, and Kazakhstan, supporting advanced manufacturing, construction, and process industries.

Africa, Americas & Asia-Pacific

In Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia depend on our tubes for reliable performance in corrosive and demanding operating environments.

In the Americas, our 304LN U-tubes are supplied to the United States, Canada, Mexico, Brazil, and Argentina, supporting oil & gas, chemical processing, construction, and manufacturing sectors.

Our reach extends throughout the Asia-Pacific region, including Sri Lanka, Malaysia, Singapore, Philippines, Thailand, and Vietnam, where high-performance seamless tubes are essential for industrial growth.

Commitment to Quality

Wherever your project is located—whether in Doha, Dubai, London, Moscow, or New York—Seminox Pipes and Tubes delivers premium 304LN Stainless Steel Seamless ‘U’-Tubes manufactured in accordance with international standards.

Our global footprint reflects the trust industries place in our ability to deliver durable, high-quality solutions designed for challenging service conditions worldwide.

Key Features of 304LN Stainless Steel Seamless ‘U’-Tubes

Low Carbon & Nitrogen-Enhanced Grade

304LN stainless steel offers improved strength and resistance to sensitization due to its low carbon and nitrogen addition.

Seamless Tube Construction

Manufactured without welding to ensure uniform wall thickness, superior pressure resistance, and structural integrity.

Precision U-Bend Engineering

Accurately formed U-bends with tight dimensional tolerances for efficient heat transfer and easy installation.

Excellent Corrosion Resistance

Performs reliably in corrosive and demanding environments, including chemical, petrochemical, and marine applications.

Smooth Internal Surface Finish

Enhances fluid flow efficiency, minimizes pressure drop, and improves overall thermal performance.

Long-Term Service Reliability

Manufactured and tested under strict quality control to ensure durability, consistency, and extended service life.

Product Specification

Outside Diameter
12.70 mm to 50.80 mm
Wall Thickness
0.89 mm to 5.00 mm
Grades
TP-304, 304L, 304H, 304N, 304LN, 316, 316L, 316H, 316Ti, 316N, 316LN, 310, 317, 317L, 321, 321H, 347, 347H, UNS S31260, 31500, 31803, 32205, 32304, 32750, 32760, TP-405, 410
Specifications
ASTM, ASME, DIN EN, JIS (Japan), NF (AFNOR) & as per customer drawing
Length
Up to 30 meters
Applications
LP / HP Heaters, Fertilizer, Power Plant, Petrochemical & Refinery, Airfin Cooler, Nuclear Power Plant

Manufacturing, Testing & Quality Assurance

Controlled Manufacturing Process

304LN Stainless Steel Seamless ‘U’-Tubes are manufactured using advanced seamless tube production and precision U-bending processes to achieve uniform wall thickness, accurate bend geometry, and enhanced mechanical strength.

Comprehensive Inspection & Testing

Each U-tube is subjected to stringent testing including Eddy Current Testing, Hydrostatic Pressure Testing, Positive Material Identification (PMI), dimensional inspection, and detailed visual examination to ensure consistent, defect-free performance.

Certifications & Global Compliance

Our 304LN stainless steel U-tubes are manufactured in compliance with ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU, ensuring reliable quality, safety, and conformity with international standards.

Typical Applications

Heat Exchangers & Thermal Systems
Condensers & Cooling Units
Power Generation & Utility Plants
Petrochemical & Refinery Operations
Chemical & Fertilizer Processing Plants
Nuclear Power & Critical Energy Facilities
Air Fin Coolers & HVAC Systems
Boilers, Pressure Vessels & Heaters
General Process & Industrial Manufacturing

Looking for 304LN Stainless Steel Seamless ‘U’-Tubes?

Contact Seminox Pipes & Tubes for expert technical guidance, competitive pricing, and reliable global supply of high-quality 304LN stainless steel U-tubes designed for critical heat transfer, power, and process industry applications.

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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