304H Stainless Steel Seamless ‘U’-Tubes

Manufacturers of 304H Stainless Steel Seamless ‘U’-Tubes engineered for high-temperature service in heat exchangers, condensers, boilers, and other critical industrial applications.

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

304H Stainless Steel Seamless ‘U’-Tubes

Our 304H Stainless Steel Seamless ‘U’-Tubes are engineered for industries that demand superior strength, high-temperature resistance, and long-term durability. Manufactured from premium high-carbon 304H stainless steel, these tubes provide enhanced creep strength and excellent corrosion resistance, making them suitable for severe operating environments.

The seamless construction ensures a smooth internal surface that improves fluid flow efficiency while minimizing pressure losses. Designed with precision ‘U’-bend geometry, these tubes deliver efficient heat transfer performance, making them ideal for use in heat exchangers, condensers, and boiler systems operating at elevated temperatures.

Widely used in petrochemical, power generation, pharmaceutical, and food processing industries, our 304H stainless steel seamless ‘U’-tubes undergo stringent 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.

304H Stainless Steel Seamless U-Tubes

Comprehensive Reach

Our 304H Stainless Steel Seamless ‘U’-Tubes are supplied across India, including Mumbai and other major industrial centers, supporting industries such as power generation, petrochemicals, refineries, and heavy process engineering.

In the Middle East, we serve Iraq, Kuwait, Jordan, Lebanon, Saudi Arabia, Yemen, Oman, and the UAE—covering Abu Dhabi, Dubai, Al Ain, Ajman, Sharjah, and Ras Al Khaimah—where high-temperature and high-pressure performance is critical for energy, oil & gas, and infrastructure projects.

We are a trusted supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where industries rely on 304H stainless steel U-tubes for superior creep resistance, structural stability, and long service life.

Across Europe, our products are delivered to Italy, Spain, Germany, the United Kingdom, France, Greece, Austria, Turkey, Russia, Ukraine, and Kazakhstan, serving power plants, refineries, and advanced manufacturing facilities.

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 extreme operating conditions.

In the Americas, our 304H U-tubes are supplied to the United States, Canada, Mexico, Brazil, and Argentina, supporting thermal power plants, oil & gas operations, and heavy industrial applications.

Our reach extends across the Asia-Pacific region, including Sri Lanka, Malaysia, Singapore, Philippines, Thailand, and Vietnam, where high-temperature-resistant 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 304H Stainless Steel Seamless ‘U’-Tubes manufactured in compliance with international standards.

Our global presence reflects the confidence industries place in our ability to supply durable, high-performance solutions designed for demanding high-temperature and high-pressure environments worldwide.

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

High Carbon 304H Grade

Higher carbon content enhances creep strength, making the tubes ideal for elevated temperature service.

Seamless Tube Construction

Manufactured without welding to provide uniform wall thickness, superior pressure resistance, and structural reliability.

Precision U-Bend Forming

Accurately engineered U-bends ensure tight dimensional tolerances and efficient heat transfer performance.

Excellent High-Temperature Performance

Designed for continuous service in boilers, heat exchangers, and condensers operating at high temperatures.

Smooth Internal Surface Finish

Improves fluid flow efficiency, reduces pressure drop, and enhances overall thermal efficiency.

Long-Term Service Reliability

Manufactured and tested under strict quality controls to ensure durability, stability, 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

High-Temperature Manufacturing Control

304H Stainless Steel Seamless ‘U’-Tubes are manufactured using advanced seamless tube production and precision U-bending techniques, ensuring uniform wall thickness, accurate bend geometry, and enhanced creep strength for elevated temperature service.

Stringent Inspection & Testing

Each U-tube undergoes comprehensive testing including Eddy Current Testing, Hydrostatic Pressure Testing, Positive Material Identification (PMI), dimensional inspection, and visual examination to ensure reliability under high-pressure and high-temperature operating conditions.

International Standards & Compliance

Our 304H U-tubes are manufactured in compliance with ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU, ensuring consistent quality, safety, and performance for global power and process industries.

Typical Applications

High-Temperature Heat Exchangers
Condensers & Thermal Recovery Systems
Thermal & Power Generation Plants
Petrochemical & Refinery Units
Chemical & Fertilizer Processing Plants
Nuclear Power & Critical Energy Facilities
Air Fin Coolers & Waste Heat Recovery
Boilers, Superheaters & Pressure Vessels
High-Temperature Process Industries

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

Contact Seminox Pipes & Tubes for expert technical support, competitive pricing, and dependable global supply of high-temperature 304H stainless steel U-tubes for power plants, boilers, and critical heat transfer 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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