Siddhgiri Tubes enjoys the status of a prominent name among all other leading manufacturers, suppliers, exporters, and stockists of Duplex Steel S31803 Tube Fittings owing to the quality premium provided by them for performance in the most critical environments. Manufactured to international standards, the fittings are meant to perform the most difficult tasks in chemical processing, aerospace, and marine industries.
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The reason being that Duplex Steel S31803 is famous for outstanding resistance to corrosion; hence, these tube fittings are very suitable in applications involving highly corrosive and aggressive environments. This particular microstructure of two phases combines the advantages of austenitic and ferritic stainless steel, offering superior resistance to pitting, crevice corrosion, and stress corrosion cracking. Such durability means guaranteed reliability under extreme pressure and temperature fluctuations both in oxidizing and reducing media.
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The fittings can be availed in various sizes and types with each custom configuration to meet various project requirements while Siddhgiri Tubes leads as exporters or stockists, assuring uniform availability and dispatch on time.
Let Siddhgiri Tubes be your solution provider for your industrial needs, presenting to you an infinite variety of Duplex Steel S31803 Tube Fittings or even consulting our professionals, enquiring, and inquiring. Let us at Siddhgiri Tubes serve with perfect match items as per your details for unmatched performances and reliability for any application.
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Specification Chart of Duplex Steel S31803 Tube Fittings
| Material | Duplex Steel S31803 (UNS S31803) |
|---|---|
| Sizes | 1/16" to 2" and custom sizes available |
| Pressure Rating | Up to 6000 PSI |
| Standards | ASTM A182, ASTM A276, ASME SA182 |
| Thread Types | NPT, BSPT, BSPP, ISO, UNF |
| Temperature Range | -50°C to 300°C (-58°F to 572°F) |
| Manufacturing Standards | ISO 9001:2015, PED 2014/68/EU |
Chemical Composition Of Duplex Steel S31803 Tube Fittings
| 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 |
Mechanical Properties Of Duplex Steel S31803 Tube Fittings
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|---|
| 9.2 g/cm3 | 1370 °C (2500 °F) | Psi – 51,000, MPa – 350 | Psi -1,10,000, MPa -760 | 40 % |