Vessco Overseas is a leading Manufacturer, Suppliers of Duplex Steel UNS S31803 Sheets, Plates, Wire in Mumbai, India. Duplex Steel UNS S31803 Sheets & Plates contains relatively high levels of chromium (between 18% and 28%) and low to moderate amounts of nickel (between 1.5% and 8%). The high corrosion resistance and excellent mechanical properties of duplex stainless steels can be attributed to their chemical composition and balanced (duplex) microstructure of approximately equal volume percentages of ferrite and austenite.
Duplex Steel UNS S31803 Plates are utilized in Food processing equipment, Oil field piping and heat exchangers, Flue gas desulfurization equipment, and more. It has lower thermal expansion and higher heat conductivity than austenitic stainless steels. We also offer these Duplex Sheet & Plates in customized specifications. UNS S32205 Duplex Steel Plates is hardened at 1868 Deg F – 1958 Deg F and after that water is reduced. UNS S31803 Duplex Steel Sheets has soaring resistance to SCC in halide comprising atmospheres. Duplex Steel UNS S31803 Sheets & Plates is highly durable and can also easily fit to any dimension due to the availability of different shapes and sizes.
Specifications |
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| Specifications | : | ASTM A240 / ASME SA240 |
| Thickness | : | 4mm-100mm |
| Length | : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Width | : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Form |
: | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex S31803 | 1.4462 | S31803 |
| 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 |
| 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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