Home > Duplex Steel > Duplex Steel S31803 Sheet and Plates
Duplex Steel S31803 Sheet and Plates are corrosion-resistant stainless steel sheets or plates made from a duplex alloy that contains roughly 22% chromium, 5-6% nickel, 3% molybdenum, and a balanced combination of austenitic and ferritic microstructures. They provide outstanding strength, durability, and corrosion resistance, which makes them well-suited for a wide range of industrial uses, particularly in demanding 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 |
At Sumakhsteel, we are proud to stand as the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. Backed by modern production facilities strategically situated in the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials kept ready and available.
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These Duplex Steel S31803 Sheet and Plates are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Duplex Steel S31803 Sheet and Plates enjoy broad industrial application across numerous sectors owing to their distinctive blend of superior corrosion resistance, considerable strength, and adaptability. Typical industrial applications encompass uses within the oil and gas sector for offshore platforms, pipelines, and subsea equipment, where corrosion resistance and strength are vital for enduring severe conditions.
Duplex Steel S31803 Sheet and Plates typically comply with industry standards including ASTM A240, ASME SA240, ASTM A480, and EN 10088. These standards define the requirements for chemical composition, mechanical properties, dimensions, and surface finishes of stainless steel plate, sheet, and strip, guaranteeing their fitness for a wide range of industrial uses and conformity with international regulations. Following these standards guarantees uniformity in quality and performance, making Duplex Steel S31803 Sheet and Plates a dependable option for corrosion-resistant and high-strength applications.
Yes Duplex Steel S31803 plates are weldable. They demonstrate favorable weldability, enabling easy fabrication and construction. Correct welding procedures and methods must be observed to guarantee the soundness of the weld and to prevent problems like sensitization and intergranular corrosion. In summary, when suitable welding practices are applied, Duplex Steel S31803 plates can be welded effectively, rendering them appropriate for a broad spectrum of applications across diverse industries.
Duplex Steel S31803 plates are supplied in a range of surface finishes to suit varying needs. Typical choices include hot rolled, cold rolled, pickled, polished, brushed, and etched finishes. Hot rolled delivers a coarse texture, whereas cold rolled gives a smoother surface. Pickled finishes are clean and smooth, whereas polished finishes are high-gloss and mirror-like. Brushed finishes provide a satin-like look, and etched finishes produce patterns or designs. The selection hinges on the application’s aesthetic and functional requirements.
To guarantee the quality of Duplex Steel S31803 plates, buy from trustworthy suppliers holding certifications such as ASTM A240 and ASME SA240. Perform detailed inspections when the material arrives, verifying correct documentation, dimensional precision, surface finish, and material soundness. Confirm that the supplier provides quality assurance protocols and dependable customer support for quick resolution of any problems.
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