Hindco Steel And Alloys is one of the most well known companies in the metal industry that is known all over the world as the best Supplier & Manufacturer of the high-quality Duplex Steel S31803 Plates. Such plates are produced per ASTM A240 standards and bear the UNS S31803 outfit, the universally adopted material number with the regard to this specific duplex grade. Being a duplex stainless steel, S31803 duplex steel (EN 1.4462 or duplex 2205) is an alloy consisting of nitrogen and recommendations of corrosion resistance and its remarkable strength with high durability.
Our Duplex Steel S31803 Plates find extensive application in many fields and industries such as oil & gas, petrochemical, power generation, marine, paper & pulp, and chemical processing as they are highly resistant to stress corrosion cracking, crevice corrosion, and pitting. The extraordinary mechanical properties are attributed to the unique duplex microstructure (comprising about equal proportions of austenite and ferrite), such as greater tensile and yield strengths than in the case of conventional austenitic stainless steels, e.g., 304 and 316.
Hindco Steel And Alloys also means that every plate supplied is of top international quality. To satisfy the different needs of our clients, we retain and distribute Duplex S31803 Plates in a variety of thicknesses and wide widths as well as finishes. Proper testing and inspection are applied to each of the plates so that they deliver superior quality and performance. Being a renowned manufacturer in India, our vision is to provide materials and services that will not only satisfy, but surpass expectation of the customers.
These plates also have a very high weldability and formability that is an important characteristic as it would be great to fabricate along with its high-strength applications in structures. The ASTM A240 UNS S31803 Plates offered by Hindco Steel And Alloys has increasingly become one of the favorite preferred materials among engineers and fabricators in search of cost competitive, low corrosion, resistant materials.
| Standard | ASME SB709 / ASTM B709 |
|---|---|
| Plate Width | 1219mm / 1000mm / 1500mm / 1250mm / 2000mm |
| Length | 2440mm / 2000mm / 3000mm / 2500mm / 6000mm |
| Thickness | 0.1mm - 12mm Thk |
| Hardness | Hard, Soft, Quarter Hard, Half Hard, Spring Hard etc. |
| Finish | Cold Rolled Sheet (CR), Hot Rolled Plate (HR) |
| 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 | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| S31803 | 7.8 | 0.281 | 1350 | 2460 |
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