UNS S31803 Stainless Steel Seamless ‘U’-Tubes
Stainless Steel Seamless ‘U’-Tubes
Manufacturers of UNS S31803 Stainless Steel Seamless ‘U’-Tubes
Our UNS S31803 Stainless Steel Seamless ‘U’-Tubes are precision-engineered for demanding applications requiring superior mechanical strength and corrosion resistance. Made from duplex stainless steel, UNS S31803 offers a balanced microstructure of austenite and ferrite, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, even in aggressive environments with chloride exposure.
The seamless design ensures leak-proof reliability and high structural integrity, while the ‘U’-shape configuration enhances heat transfer efficiency and saves space in compact systems. These tubes are ideal for use in heat exchangers, condensers, and evaporators across industries such as oil & gas, petrochemical, chemical processing, and desalination.
With excellent weldability, durability, and high thermal conductivity, UNS S31803 tubes perform exceptionally well under extreme pressures and temperatures. Customizable in a variety of dimensions, these tubes are the perfect choice for applications that demand high efficiency and long-lasting performance.
Comprehensive Reach
Our pipes and tubes are trusted in Mumbai and other key cities in India, catering to critical industries. 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 and gas, water treatment, and infrastructure projects. We are also a preferred supplier in Qatar (Doha), Bahrain, Syria, Azerbaijan, and Georgia, where quality and reliability are essential.
In Europe, our 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 the precision engineering and durability of our products, especially in industries like manufacturing and construction.
Africa and Beyond
Across Africa, industries in Morocco, Algeria, Libya, Egypt, Nigeria, Sudan, Chad, Senegal, Kenya, Somalia, Zambia, South Africa, and Namibia trust our pipes and tubes for their high resistance to corrosion and extreme environmental conditions.
In the Americas, our products are essential in the United States, Brazil, Argentina, Mexico, and Canada, supporting industries like oil and gas, construction, and manufacturing.
In the Asia-Pacific, countries like Sri Lanka, Malaysia, Singapore, Philippines, Thailand, and Vietnam depend on our high-performance pipes and tubes for various industrial applications.
Finally, industries in Australia benefit from the durability and strength of our pipes and tubes in sectors such as mining and water treatment.
Commitment to Quality
Wherever you are—be it Doha, Dubai, London, Moscow, or New York—Seminox Pipes and Tubes ensures top-quality UNS S31803 Stainless Steel Seamless ‘U’-Tubes, designed to meet international standards. Our global presence reflects the trust industries place in our ability to deliver reliable and durable solutions tailored to challenging environments worldwide.
Product Specification:
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Outside Diameter
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12.70 mm to 50.80 mm
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Wall Thickness
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0.89 mm to 5.00 mm
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Grades
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TP-304, 304L, 304H, 304N, 304LN 316, 316L, 316H, 316Ti, 316N, 316LN, 310, 317, 317L, 321, 321H, 347, 347H
UNS S 31260, 31500, 31803, 32205, 32304, 32750, 32760
TP- 405, 410
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Specifications
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ASTM, ASME, DIN EN, JIS ( JAPAN ), NF ( AFNOR ) & Drawing as per customer's requirements.
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Length
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Up to 30mtr long
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Applications
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LP / HP Heaters
Fertilizer
Power Plant
Petrochemical & Refinery
Airfin Cooler
Nuclear Power Plant
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