Duplex Steel Plates, Sheets & Coils

Duplex Steel Plates, Sheets & Coils
Precision-engineered Duplex Steel Plates, Sheets & Coils supplied in a wide range of thicknesses, widths and finishes for fabrication and process equipment.
- Plates
- Sheets
- Coils
- Strips
- Circles
- Cut to Size
Duplex Steel Plates, Sheets & Coils Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Duplex Steel Plates, Sheets & Coils in different sizes, grades, specifications and finishes for industrial and engineering applications.
Duplex Steel Plates, Sheets & Coils are flat-rolled products supplied as hot-rolled plates, cold-rolled sheets, coils, strips and cut shapes for fabrication, pressure vessels and process equipment.
Duplex stainless steel has a two-phase austenitic-ferritic structure that delivers higher strength than standard austenitic grades together with good resistance to pitting, crevice corrosion and chloride stress corrosion cracking.
Typical applications for Duplex Steel Plates, Sheets & Coils include oil & gas, chemical processing, petrochemical, desalination, marine applications, pulp & paper, heat exchangers, pressure vessels and general engineering.
Key Features of Duplex Steel Plates, Sheets & Coils
High Strength
Higher yield strength than conventional 300-series stainless steels.
Corrosion Resistance
Good resistance to pitting, crevice and general corrosion.
SCC Resistance
Improved resistance to chloride stress corrosion cracking.
Cost Efficient
Strength and durability help reduce material and lifecycle cost.
Duplex Steel Plates, Sheets & Coils Specifications
| Parameter | Specification |
|---|---|
| Specifications | ASTM A240 / ASME SA240 |
| Dimensions | ASTM, ASME and API |
| Grade | UNS NO. S 31803, S 32205, S 32550, S 32750, S 32760 |
| Size | 1 MM TO 200 MM THK IN 1000 MM TO 3000 MM WIDTH x 2500 MM / 5000 MM / 10000 MM / COIL |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Specialize | Shim Sheet, Perforated Sheet, B. Q. Profile |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
Equivalent Grades of Duplex Steel Plates, Sheets & Coils
| STANDARD | WERKSTOFF NR | UNS |
|---|---|---|
| Duplex 1803 | 1.4462 | S31803 |
| Duplex 2205 | 1.4462 | S32205 |
Types of Duplex Steel Plates, Sheets & Coils
Hot Rolled Plates
Heavier thickness plates for structural and pressure work.
Cold Rolled Sheets
Thin sheets with smooth surface finish.
Coils & Strips
Coils and slit strips for continuous processing.
Circles & Cut Shapes
Blanks, circles, rings and profile-cut pieces.
Applications & Industries
- Oil & Gas
- Chemical Processing
- Petrochemical
- Desalination
- Marine Applications
- Pulp & Paper
- Heat Exchangers
- Pressure Vessels
- Water Treatment
- Offshore Platforms
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
Duplex Steel Plates, Sheets & Coils can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Thickness & dimensional inspection
- Flatness and surface inspection
- Material grade verification
- Chemical composition verification
- Mechanical testing as applicable
- Ultrasonic testing as applicable
- Material Test Certificate (MTC)
- Third-party inspection support
Why Choose Our Duplex Steel Plates, Sheets & Coils?
Wide Size Range
Many thicknesses, widths and lengths.
Cut-to-Size Service
Plates and sheets cut as per drawings.
Multiple Finishes
HR, CR, 2B, BA and polished finishes.
Project Supply
Bulk supply for fabrication projects.
Duplex Steel Plates, Sheets & Coils Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Duplex Steel Plates, Sheets & Coils for domestic and international projects in a wide range of sizes, grades and specifications. Products can be supplied in standard and custom dimensions according to drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure export-worthy packaging.
Share your size, grade, quantity and specification requirements with our team to receive a competitive quotation for Duplex Steel Plates, Sheets & Coils.
Related Duplex Steel Products Products
Duplex Steel Flanges
Duplex Steel Flanges are forged or machined components used to connect pipes, valves, pumps and equipment, allowing easy assembly, inspection and maintenance of piping systems.
Duplex Steel Buttweld Pipe Fittings
Duplex Steel Buttweld Pipe Fittings are welded pipe fittings that are bevelled and butt-welded to the pipe, creating a continuous, high-strength and leak-resistant connection with smooth internal flow.
Duplex Socket weld Pipe Fittings
Duplex Socket weld Pipe Fittings are forged small-bore pipe fittings with socket weld or threaded ends, manufactured to ASME B16.11 for high-pressure piping and instrumentation lines.
Technical Note: Technical values should be verified against the applicable ASTM / ASME / EN specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.