Trusted UNS S31803 Duplex Stainless Steel Manufacturers in Chennai
Virwadia Metal & Alloys is a leading UNS S31803 Duplex Stainless Steel Manufacturer in Chennai, specializing in high-strength, corrosion-resistant duplex stainless steel products. UNS S31803 is widely used for its excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, making it an ideal choice for chemical processing, oil and gas, and marine applications.
Our UNS S31803 stainless steel complies with ASTM A240 and EN 1.4462 standards, ensuring superior mechanical properties with a perfect balance of austenitic and ferritic phases. Manufactured using advanced technology, our products exhibit high tensile strength, excellent weldability, and outstanding resistance to chloride environments.
We supply UNS S31803 in various forms such as sheets, plates, pipes, tubes, and fittings, each undergoing stringent quality checks to meet international norms. Our facility in Chennai is equipped with precision machinery and skilled professionals to deliver consistent quality and dimensional accuracy.
Reliable UNS S31803 Duplex Stainless Steel Supplier in Chennai
As a trusted UNS S31803 Duplex Stainless Steel Supplier in Chennai, Virwadia Metal & Alloys maintains an extensive inventory to fulfill orders of all sizes promptly. Our supply chain is optimized for timely delivery to clients across diverse industries, including petrochemical, wastewater treatment, and desalination plants.
We offer customization services like cutting, polishing, and special surface treatments to meet specific client requirements. Our technical team is always available to guide customers in selecting the right grade, form, and finish to ensure optimal application performance and longevity.
UNS S31803 duplex stainless steel is highly favored for its durability in aggressive environments, combining the best features of both austenitic and ferritic stainless steels.
Leading UNS S31803 Duplex Stainless Steel Exporter from India
Virwadia Metal & Alloys is a reputed UNS S31803 Duplex Stainless Steel Exporter from Chennai, exporting premium-grade duplex stainless steel products worldwide. We ensure secure packaging, accurate documentation, and efficient logistics to facilitate smooth international shipping to regions like Europe, the Middle East, Africa, and Asia.
Our exports are supported by comprehensive third-party inspection certificates and mill test reports, providing assurance of quality and compliance. Flexible export volumes and customized packing solutions make us a preferred partner for global clients seeking reliable UNS S31803 duplex stainless steel supplies.
With a strong focus on quality and customer satisfaction, Virwadia Metal & Alloys continues to expand its global footprint as a trusted supplier of high-performance stainless steel products.
UNS S31803 (Duplex 2205) Specifications and Applications in Chennai | Virwadia Metal & Alloys
UNS S31803, commonly known as Duplex 2205, is a nitrogen-enhanced duplex stainless steel that combines austenitic and ferritic microstructures. This balanced composition provides high strength, excellent resistance to pitting and crevice corrosion, and superior resistance to chloride stress corrosion cracking. It is widely used in oil & gas, marine, and chemical industries across Chennai.
Virwadia Metal & Alloys supplies premium quality UNS S31803 stainless steel in Chennai, suitable for high-pressure and corrosive environments. This grade offers nearly double the yield strength of conventional stainless steels such as 304 and 316, making it ideal for load-bearing and structural applications.
UNS S31803 Chemical Composition
| Element |
Percentage (%) |
| Chromium (Cr) |
21.0 – 23.0% |
| Nickel (Ni) |
4.5 – 6.5% |
| Molybdenum (Mo) |
2.5 – 3.5% |
| Nitrogen (N) |
0.08 – 0.20% |
| Carbon (C) |
Max 0.03% |
| Manganese (Mn) |
Max 2.0% |
| Silicon (Si) |
Max 1.0% |
| Iron (Fe) |
Balance |
Mechanical Properties
| Property |
Typical Value |
| Tensile Strength |
620 – 880 MPa |
| Yield Strength |
450 MPa (min) |
| Elongation |
25% (min) |
| Hardness |
Max 293 HB |
| Density |
7.8 g/cm³ |
Key Features of UNS S31803
- High mechanical strength
- Excellent resistance to pitting and crevice corrosion
- Superior stress corrosion cracking resistance
- Good weldability and fabrication properties
- Enhanced fatigue strength
- Cost-effective alternative to high nickel alloys
Applications of UNS S31803 in Chennai
- Oil and gas pipelines
- Offshore platforms
- Chemical processing equipment
- Heat exchangers
- Pressure vessels
- Marine and desalination plants
Virwadia Metal & Alloys ensures reliable supply of UNS S31803 stainless steel in Chennai, delivering high strength, corrosion resistance, and long-term durability for demanding industrial and marine applications.
