Duplex steel S31803/S32205 Strips & Coils is renowned in manufacturing circles for its exceptional strength, durability, and corrosion resistance, making it a top choice for various industries. Among the widely used grades are S31803 and S32205. These alloys find extensive applications across chemical and petrochemical processing, oil and gas exploration, marine engineering, and construction sectors.Duplex Steel S31803 / S32205 Strips & Coils, is a blend of austenitic and ferritic phases, offer superior corrosion resistance compared to other stainless steels.
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Available in diverse types like hot rolled, cold rolled, annealed, and pickled, they find utility in heat exchangers, storage tanks, pressure vessels, and piping systems. Their ease of fabrication, welding, and cutting makes them indispensable for various manufacturing processes. S32205, a nitrogen-enhanced duplex stainless steel, boasts excellent resistance to pitting, crevice, and erosion corrosion. With superior toughness and flexibility compared to S31803, it's favored in high-stress applications. Used extensively in chemical processing, oil and gas exploration, and marine engineering, S32205 coils stand firm against harsh environments and high temperatures.
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Duplex steel coils offer a myriad of benefits, including robust strength, durability, and corrosion resistance, making them indispensable for demanding applications. Their resilience to stress corrosion cracking and crevice corrosion is particularly valuable in chemical and petrochemical processing. Furthermore, their ease of fabrication and welding translates to cost savings and efficient installation for manufacturers and end-users alike.
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For quality Duplex Steel Coils, choosing a reputable supplier is paramount. Siddhgiri Tubes is a trusted name in the industry, offering high-quality Duplex Steel S31803 and S32205 Coils. Utilizing only the finest raw materials, their coils exhibit enhanced corrosion and oxidation resistivity, ensuring longer work life across various industries. With a range of finishes including hot rolled, cold rolled, and SATIN, Siddhgiri Tubes caters to diverse needs with excellence.
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Specification Chart of Duplex Steel S31803/S32205 Strips & Coils
| Specifications | ASTM A240 / ASME SA240 |
| Thickness | 4mm-100mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
Chemical Composition Of Duplex Steel S31803/S32205 Strips & Coils
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Mechanical Properties Of Duplex Steel S31803/S32205 Strips & Coils
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |