Home >Duplex Steel > Duplex Steel S31803 Sheet and Plates
Duplex Steel S31803 Sheet and Plates are corrosion-resistant stainless steel sheets or plates composed of a duplex alloy containing approximately 22% chromium, 5-6% nickel, 3% molybdenum, and a balanced mix of austenitic and ferritic microstructures. They offer excellent strength, durability, and resistance to corrosion, making them ideal for various industrial applications, especially in harsh environments.
| S31803 Sheets & Plates Specifications | ASTM A240 / ASME SA240, BS EN 10088-2, en 10028-7, IS 6911 |
|---|---|
| S31803 Sheets & Plates Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Duplex Steel S31803 Sheets & Plates Size Range | Cold rolled ASME SA240 Grade S31803 Duplex Steel Sheet 0.5-6.4 mm Hot rolled ASME SA240 Grade S31803 Duplex Steel Sheet 3.0–10.0 mm |
| S31803 Duplex Steel Sheets & Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Duplex Steel S31803 Sheets & Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Duplex Steel S31803 Sheets & Plates Thickness | 0.3 mm to 120 mm |
| International Standard of Duplex Steel S31803 Sheets & Plates | ASTM A480 ASTM A959 ASME IID EN ISO 9445 EN ISO 18286 EN 10051 EN 10088-1 ISO 15510 |
| Tolerances (width / thickness) of Duplex Steel S31803 Sheets & Plates | EN 10258/ DIN 59381) EN 10151 ASME SA240 S31803 Duplex Steel Strips EN 10088 SA -240-S31803 Strips |
| Finish of Duplex Steel S31803 Sheets & Plates | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Form | Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Dealers & Distributor of | SAIL, ESSAR, JINDAL, TATA, BHUSHAN, INDIAN, POSCO, JISCO, TISCO, LISCO, BAOSTEEL IMPORTED material |
| Duplex Steel S31803 Profiling | Plasma Plate Cutting Laser Plate Cutting Oxy-propane Flame Cutting |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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We offer These Duplex Steel S31803 Sheet and Plates per DIN, ISO, JIS or ANSI Standard.
Duplex Steel S31803 Sheet and Plates find widespread industrial use across various sectors due to their unique combination of excellent corrosion resistance, high strength, and versatility. Common industrial uses include applications in the oil and gas industry for offshore platforms, pipelines, and subsea equipment, where corrosion resistance and strength are essential for withstanding harsh environments.
Duplex Steel S31803 Sheet and Plates typically adhere to industry standards such as ASTM A240, ASME SA240, ASTM A480, and EN 10088. These standards specify requirements for chemical composition, mechanical properties, dimensions, and surface finishes of stainless steel plate, sheet, and strip, ensuring their suitability for diverse industrial applications and compliance with international regulations. Adherence to these standards ensures consistency in quality and performance, making Duplex Steel S31803 Sheet and Plates a reliable choice for corrosion-resistant and high-strength applications.
Yes, Duplex Steel S31803 plates are weldable. They exhibit good weldability, allowing for ease of fabrication and construction. Proper welding procedures and techniques should be followed to ensure the integrity of the weld and to avoid issues such as sensitization and intergranular corrosion. Overall, with appropriate welding practices, Duplex Steel S31803 plates can be successfully welded, making them suitable for a wide range of applications in various industries.
Duplex Steel S31803 plates are available in various surface finishes to accommodate different needs. Common options include hot rolled, cold rolled, pickled, polished, brushed, and etched finishes. Hot rolled provides a rough texture, while cold rolled offers a smoother surface. Pickled finishes are clean and smooth, while polished finishes are high-gloss and mirror-like. Brushed finishes offer a satin-like appearance, and etched finishes create patterns or designs. The choice depends on the application’s aesthetic and functional requirements.
To ensure the quality of Duplex Steel S31803 plates, purchase from reputable suppliers with certifications like ASTM A240 and ASME SA240. Conduct thorough inspections upon receipt, checking for proper documentation, dimensional accuracy, surface finish, and material integrity. Ensure the supplier offers quality assurance measures and reliable customer support for prompt issue resolution.
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