Duplex Steel S31803 Valves are high-performance control flow components produced from a duplex stainless steel alloy that has the combination of ferritic and austenitic steel's strength. The valves are produced to ASTM A995, A890 / ASME SA995, SA890 standard and find extensive application in oil & gas, chemical processing, marine, and water treatment industries. Caliper Overseas is one of the Best Duplex Steel S31803 Valves Suppliers and Manufacturers in India, supplying high-quality solutions designed for heavy-duty applications.
Duplex S31803 Valves, Duplex S31803 Valve Suppliers, Duplex S31803 Valve Stock.
These valves provide superior resistance to corrosion, high strength, and longevity. With a melting point of 1420–1465°C (2588–2669°F) and a density of 7.805 g/cm³ (0.285 lb/in³), they function perfectly under extreme pressure and temperature conditions. Their balanced microstructure enhances mechanical properties and improves wear resistance. Reach out now to get expert guidance and the best valve solutions for your industry needs.
Table Of Content
About Duplex Steel S31803 Valves
Duplex Steel S31803 Valves Specification
Equivalent Grades Of Duplex Steel S31803 Valves
Chemical Composition Of Duplex Steel S31803 Valves
Duplex Steel S31803 Valves Mechanical Properties
Stock Availability of Duplex Steel S31803 Valves
Duplex Steel S31803 Valves Ready Stock
Duplex S31803 Valves Supplier In Mumbai, Duplex S31803 Valves Supplier In India.
Duplex Steel S31803 Valves Specification
| Standards | API 598 / BS EN 12266-1, ASME B 16.10, Sizes available on request API 600/BS1414, 1/8 to 1”, ASME B 16.34, ASME B 16.5, ASME B16.25 |
| Sizes | Sizes available on Request, 1/8 to 1”, 1/2′ TO 14” |
| Working Pressure | Valves are also available which could handle higher pressure, Up to 6000 PSIG |
| End Connection | BSPT, Male and Female NPT, Male to Female, Socket Weld (SW) or Dual Ferrule Tube Connections, Female to Female |
| Temperature Ratings | (232C)/Grafoil 700 F(371C), PTFE 450F |
| Pressure Rating | 150#, 300#, 600#, 800#, 1500# |
| Application | Power/ gas/ petroleum/ chemical/ metallurgy/ shipbuilding etc. |
| Ends | Flange Ends, Screwed Ends,Socket Weld Ends |
| Type | Ball Valves, Globe Valves, Check Valves, Needle Valves, Butterfly Valves |
| Temperature Rating | (232C)/Grafoil 700 F(371C),PTFE 450F |
| 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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Duplex Steel S31803 Valves in Distillery Plants
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