Call: +91-98 77 77 86 77
Email: info@unionsteel.co.in
Call: +91-98 77 77 86 77
Email: info@unionsteel.co.in
Union Steel Industries is a Duplex Stainless Steel supplier, stockist and exporter in India, backed by the Navpad Metal Group’s 20+ years of industry experience. We supply Duplex Stainless Steel in multiple grades, product forms, sizes and specifications for oil & gas, chemical, petrochemical, marine, desalination, power, pharmaceutical and process industries.
DUPLEX STAINLESS STEEL GRADES
Standard Duplex
Duplex 2205 | UNS S31803 | UNS S32205
Super Duplex
Super Duplex 2507 | UNS S32750 | UNS S32760
Other Duplex grades can be sourced according to project requirements.
Contact our technical sales team today for an instant commercial quote.
WhatsApp: +91 9877778677 | Email: sales@unionsteel.co.in
Sheets | Plates | Coils | Pipes | Tubes | Heat Exchanger Tubes | Pipe Fittings | Elbows | Tees | Reducers | Stub Ends | Flanges | Round Bars | Bright Bars | Square Bars | Hex Bars | Flat Bars | Fasteners | Rings | Custom Components
DUPLEX PRODUCTS BY GRADE
Duplex 2205 / UNS S31803 / S32205: Sheets, Plates, Coils, Pipes, Tubes, Flanges, Pipe Fittings, Round Bars, Bright Bars, Flat Bars, Fasteners, Rings and Forgings.
Duplex 2304 / UNS S32304: Sheets, Plates, Pipes, Tubes, Flanges, Pipe Fittings, Round Bars, Fasteners and Forgings.
DUPLEX STAINLESS STEEL PROPERTIES
Duplex Stainless Steel combines high strength and corrosion resistance with good resistance to chloride stress corrosion cracking, pitting, crevice corrosion and erosion-corrosion. It also offers good fatigue strength and weldability with suitable procedures.
| Property | Duplex 2205 | SS 316L |
|---|---|---|
| Microstructure | Austenitic-Ferritic | Austenitic |
| Yield Strength | Higher | Lower |
| Chloride SCC Resistance | Excellent | More Limited |
| Pitting Resistance | Excellent | Very Good |
| Strength-to-Weight | High | Moderate |
| Typical Applications | Oil & Gas, Marine, Chemical, Offshore | Chemical, Pharmaceutical, Food, Engineering |
Material selection depends on operating environment, temperature, pressure, corrosion conditions and project specifications.
| Product | Common Standards |
|---|---|
| Sheets & Plates | ASTM A240 / ASME SA240 |
| Seamless Pipes | ASTM A790 / ASME SA790 |
| Welded Pipes | ASTM A790 / ASME SA790 |
| Tubes | ASTM A789 / ASME SA789 |
| Round Bars | ASTM A276 / A479 |
| Flanges & Forgings | ASTM A182 / ASME SA182 |
| Butt Weld Fittings | ASTM A815 / ASME SA815 |
| Fasteners | Applicable ASTM / EN Specifications |
Applicable ASTM, ASME, EN, DIN, JIS, BIS and UNS specifications can be supplied according to product and application.
QUALITY, MTC & INSPECTION
Depending on project requirements, Duplex Stainless Steel can be supplied with:
EN 10204 3.1 MTC | PMI | Chemical Testing | Mechanical Testing | Dimensional Inspection | Visual Inspection | | UT | NABL Laboratory Testing | Material Traceability | Third-Party Inspection
DUPLEX STAINLESS STEEL APPLICATIONS
Oil & Gas | Offshore | Chemical Processing | Petrochemical | Marine | Desalination | Water Treatment | Power Generation | Heat Exchangers | Pharmaceutical | Fertilizer | Pulp & Paper | Food Processing | Engineering | Fabrication | Process Equipment
DUPLEX STAINLESS STEEL SUPPLIER ACROSS INDIA
Located in MIDC Bhosari, Pune, Maharashtra, Union Steel Industries supplies Duplex Stainless Steel to major industrial markets across India. We serve customers across Pune and PCMC industrial areas, including MIDC Bhosari, Chakan, Talawade, Talegaon, Ranjangaon, Pirangut and Hadapsar.
Pune | Mumbai | Navi Mumbai | Thane | Nashik | Ahmedabad | Vadodara | Surat | Rajkot | Vapi | Jamnagar | Bengaluru | Hyderabad | Chennai | Delhi NCR | Noida | Gurugram | Jaipur | Chandigarh | Indore | Kochi | Kolkata | Goa | Visakhapatnam
DUPLEX STAINLESS STEEL EXPORTER FROM INDIA
We supply Duplex Stainless Steel to:
UAE | Saudi Arabia | Oman | Qatar | Kuwait | Bahrain | UK | Germany | Italy | Netherlands | USA | Canada | Singapore | Malaysia | Indonesia | Australia | South Africa | Kenya
Export orders can be supported with documentation, export packaging and logistics coordination.
WHY UNION STEEL
When your project depends on the quality of its raw materials, you need more than a supplier. You need a dependable industrial metal partner.
Union Steel Industries combines industry experience, quality-focused sourcing and responsive customer service to deliver reliable metal solutions.
