Manufacturers of UNS S31803 Stainless Steel Welded Tubes engineered for demanding industrial environments, offering a balanced duplex microstructure with high strength, excellent resistance to pitting and stress corrosion cracking, and reliable performance in chloride-rich and corrosive conditions.
Our UNS S31803 Stainless Steel Welded Tubes are engineered
for applications requiring high mechanical strength and excellent
corrosion resistance. As a duplex stainless steel grade, S31803 offers
a balanced austenitic-ferritic microstructure that delivers superior
strength compared to conventional austenitic stainless steels.
These welded tubes provide outstanding resistance to pitting, crevice
corrosion, and stress corrosion cracking, particularly in chloride-rich
and aggressive environments. The welded construction ensures structural
uniformity, dimensional accuracy, and cost efficiency, while the smooth
surface finish enhances resistance to oxidation and scaling.
Widely used in chemical processing, desalination plants, oil & gas,
marine applications, heat exchangers, pipelines, and structural systems,
UNS S31803 stainless steel welded tubes deliver long-lasting, reliable
performance under demanding environmental and operating conditions.
Available in a wide range of sizes and customizable specifications, they
are ideal for critical industrial applications.
Our UNS S31803 stainless steel pipes and tubes are widely supplied across India and the Middle East, supporting industries such as oil & gas, water treatment, power generation, and infrastructure projects. Countries including Saudi Arabia, UAE, Qatar, Oman, Kuwait, and Bahrain rely on our products for strength, corrosion resistance, and reliability.
In Europe, our tubes are trusted across major industrial markets such as Germany, Italy, Spain, the United Kingdom, France, Turkey, and Austria, where durability and corrosion resistance are critical for manufacturing and construction applications.
Across Africa, the Americas, and Asia-Pacific regions, our UNS S31803 stainless steel welded tubes support chemical processing, marine, desalination, mining, and heavy industrial applications in demanding environments worldwide.
Wherever you operate globally, Seminox Pipes and Tubes delivers premium UNS S31803 Stainless Steel Welded Tubes manufactured in compliance with international standards, ensuring long-lasting performance, reliability, and consistent quality.
Combines austenitic and ferritic phases, delivering high mechanical strength along with excellent corrosion resistance.
Offers significantly higher strength than conventional austenitic stainless steels, enabling thinner walls and lighter designs.
Provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich environments.
Advanced welding processes ensure uniform weld quality, dimensional accuracy, and long-term structural integrity.
Smooth surface finish improves resistance to oxidation, scaling, and general corrosion in harsh industrial conditions.
Ideal for chemical processing, marine, desalination, oil & gas, heat exchangers, and heavy industrial applications.
UNS S31803 Stainless Steel Welded Tubes are manufactured from high-quality duplex stainless steel using advanced forming and welding processes. This ensures excellent weld integrity, uniform wall thickness, precise dimensional accuracy, and superior mechanical strength for demanding industrial environments.
Each tube undergoes strict quality control including weld seam inspection, Eddy Current Testing (ECT), dimensional checks, Positive Material Identification (PMI), and visual examination to verify corrosion resistance, structural reliability, and long-term service performance.
Our UNS S31803 Stainless Steel Welded Tubes are produced in accordance with ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and relevant ASTM, EN, and international standards, ensuring consistent quality, safety, and performance across global industrial applications.
Connect with Seminox Pipes & Tubes for expert technical assistance, competitive pricing, and reliable global supply of premium UNS S31803 Stainless Steel Welded Tubes engineered for high strength, excellent corrosion resistance, and demanding industrial environments.
022 6659 5296 +91 9987403801 +918433943801
domestic@seminoxpipes.com export@seminoxpipes.com
1219 / 1220, 12th Floor, Prasad Chambers, Girgaon, Mumbai- 400004
Monday — Friday 9am – 5pm
Saturday — 10am – 3pm
Sunday — Closed
Powered by Seminox Pipes & Tubes Pvt Ltd | Designed and Developed by Skytech SEO Solutions