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Technolloy Inc is a trusted manufacturer and supplier of premium quality Duplex Steel S31803/S32205 Sheets & Plates designed for demanding industrial environments where exceptional strength and corrosion resistance are essential. Manufactured using high-performance duplex stainless steel with a balanced austenitic and ferritic microstructure, these sheets and plates provide superior mechanical properties, outstanding resistance to chloride-induced corrosion, and excellent durability under aggressive operating conditions.
Duplex Steel S31803 and S32205 grades are widely used in offshore platforms, chemical processing plants, marine engineering, oil and gas facilities, desalination plants, pressure vessels, and heat exchangers. Available in multiple thicknesses, dimensions, and surface finishes, Technolloy Inc supplies these products in compliance with international quality standards to ensure consistent performance, reliability, and long service life.
Duplex Steel S31803/S32205 Sheets & Plates are flat-rolled stainless steel products manufactured from duplex stainless steel alloys that combine approximately equal proportions of ferrite and austenite. This unique metallurgical structure provides significantly higher strength than conventional austenitic stainless steels while offering remarkable resistance to pitting, crevice corrosion, stress corrosion cracking, and general corrosion in chloride-rich environments.
Grade S32205 is an enhanced version of S31803 with a more tightly controlled chemical composition, delivering improved corrosion resistance and mechanical performance. These sheets and plates are extensively utilized in industries requiring dependable materials capable of performing under high pressure, elevated temperatures, and corrosive operating conditions.
Duplex Steel S31803/S32205 Sheets & Plates offer nearly twice the yield strength of standard austenitic stainless steel grades, allowing engineers to reduce material thickness without compromising structural integrity. Their exceptional toughness and fatigue resistance make them suitable for heavy-duty industrial equipment, structural components, and pressure-containing applications.
The high chromium, molybdenum, and nitrogen content provides outstanding resistance to pitting corrosion, crevice corrosion, stress corrosion cracking, and chloride attack. These corrosion-resistant properties make Duplex Steel S31803/S32205 Sheets & Plates highly suitable for offshore installations, marine structures, chemical processing equipment, and seawater applications where long-term protection is critical.
Designed to perform under demanding service conditions, Duplex Steel S31803/S32205 Sheets & Plates maintain excellent mechanical properties even when exposed to harsh chemicals, moisture, fluctuating temperatures, and high-pressure environments. Their outstanding wear resistance and structural stability contribute to extended operational life and reduced maintenance requirements.
Although duplex stainless steel possesses higher strength than conventional stainless steel, these sheets and plates exhibit good weldability, formability, and machining characteristics when appropriate fabrication practices are followed. Their excellent fabrication capabilities allow manufacturers to produce customized industrial components while preserving the alloy's superior mechanical and corrosion-resistant properties.
The combination of high strength, exceptional corrosion resistance, and extended service life enables Duplex Steel S31803/S32205 Sheets & Plates to deliver outstanding lifecycle value. Reduced maintenance expenses, fewer equipment replacements, improved plant reliability, and enhanced operational efficiency make these products a cost-effective investment for industries operating in corrosive environments.
Offshore platforms, oil and gas facilities, marine engineering projects, desalination plants, and chemical processing industries depend on Duplex Steel S31803/S32205 Sheets & Plates Manufacturers to supply high-strength materials capable of withstanding aggressive chloride-rich environments while ensuring reliable long-term performance.
Pressure vessel fabricators, petrochemical companies, heat exchanger manufacturers, and industrial processing plants source products from Duplex Steel S31803/S32205 Sheets & Plates Suppliers to obtain premium quality materials that meet international specifications while supporting efficient production and dependable operational reliability.
Engineering contractors, infrastructure developers, fabrication workshops, and maintenance companies rely on Duplex Steel S31803/S32205 Sheets & Plates Stockists to ensure prompt product availability for new installations, equipment upgrades, shutdown maintenance, and urgent replacement requirements across multiple industrial sectors.
International energy projects, marine infrastructure developments, power generation facilities, and global industrial installations depend on Duplex Steel S31803/S32205 Sheets & Plates Exporters to deliver internationally compliant products with consistent quality, dependable logistics, and timely delivery to customers worldwide.
| Standard | ASTM A240 / ASME SA240 |
|---|---|
| Dimension Standard | JIS, AISI, ASTM, GB, DIN, EN, etc |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Thickness | 0.3 mm to 120 mm |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Surface Finishing | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc. |
| Grade | Common Name | C% | Mn% | Si% | P% | S% | Cr% | Ni% | Mo% | N% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2205 | S31803 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
| 2205 | S32205 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 22.0-23.0 | 4.5-6.5 | 3.0-3.5 | 0.14-0.20 |
| Tensile Strength | Yield Strength | Density | Elastic Modulus |
|---|---|---|---|
| 620 MPa min | 450 MPa min | 7,805 kg/m³ | 200 GPa |
Duplex Steel S31803/S32205 Sheets & Plates Manufacturers, Duplex Steel S31803/S32205 Sheets & Plates Suppliers, Duplex Steel S31803/S32205 Sheets & Plates Stockists, Duplex Steel S31803/S32205 Sheets & Plates Exporters