Home >Duplex Steel > Duplex Steel S31803 Sheet and Plates
Duplex Steel S31803 Sheet and Platesare duplex stainless steel sheets or plates resistant to corrosion, made from an alloy that contains roughly 22% chromium, 5-6% nickel, 3% molybdenum, and an even combination of austenitic and ferritic microstructures. They deliver outstanding strength, longevity, 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 Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production plants strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of premium-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
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 are broadly employed throughout many industrial sectors thanks to their distinctive blend of superior corrosion resistance, high strength, and adaptability. Typical industrial applications feature uses within the oil and gas sector for offshore platforms, pipelines, and subsea equipment, where strength and corrosion resistance are vital for enduring severe environments.
Duplex Steel S31803 Sheet and Platestypically conform to industry benchmarks such as ASTM A240, ASME SA240, ASTM A480, and EN 10088. These standards define 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 ensures uniformity in quality and performance, making Duplex Steel S31803 Sheet and Plates a dependable option for corrosion-resistant and high-strength applications.
YesDuplex Steel S31803 plates can be welded. They demonstrate good weldability, which makes fabrication and construction easier. Correct welding procedures and methods must be applied to preserve the soundness of the weld and to prevent problems like sensitization and intergranular corrosion. In summary, when the right welding practices are used, Duplex Steel S31803 plates can be welded effectively, making them appropriate for a broad range of uses across many industries.
Duplex Steel S31803 platesare offered in a range of surface finishes to suit varying requirements. Typical choices include hot rolled, cold rolled, pickled, polished, brushed, and etched finishes. Hot rolled delivers a coarse texture, whereas cold rolled gives a sleeker surface. Pickled finishes are clean and smooth, while polished finishes are highly reflective and mirror-like. Brushed finishes present a satin-like look, and etched finishes produce patterns or designs. The selection depends on the aesthetic and functional needs of the application.
To guarantee the quality of Duplex Steel S31803 plates, source them from trustworthy suppliers holding certifications such as ASTM A240 and ASME SA240. Perform detailed inspections when the plates arrive, verifying correct documentation, dimensional precision, surface finish, and material soundness. Make sure the supplier provides quality assurance practices and dependable customer support for quick resolution of any problems.
Email Address: sales@koasteel.nz
