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LEADING MANUFACTURER, EXPORTER AND SUPPLIER IN INDIA
LEADING MANUFACTURER, EXPORTER AND SUPPLIER IN INDIA
One of the top producers and suppliers of Duplex Steel UNS S31803 Flanges is Sanjivini Steel Center. The most popular grade in the Duplex family, Duplex Steel UNS S31803, is an alloy of Austenite and Ferrite and is also referred to as the work horse grade. There is roughly 40–50% ferrite content when the material is annealed.It is a combination of 22% chromium, 3% molybdenum, and 5-6% nitrogen that offers exceptional overall performance, higher corrosion resistance, and a longer lifespan than other grades of stainless steel. We have been offering the highest caliber Duplex Steel products for many years, and by putting the needs of our customers first, we have earned their trust. The UNS S31803 flange made of duplex steel
Numerous industries, including oil and gas exploration, storage and transportation units, chemical processing industries, thermal power plants, seawater desalination plants, seawater pumps, flue gas desulphurization plants, architectural works, and pulp and paper factories, use UNS S31803 duplex steel flanges.
Duplex steel UNS S31803 Pipe Flanges exhibit superior resistance to intergranular corrosion, high yield strength, good weldability, and resistance to sulfide stress corrosion, as well as superior resistance to chloride pitting and crevice corrosion when compared to other austenitic grades. It can only be used in temperatures lower than 600 F. While its oxidation resistance is good at high temperatures, exposure to temperatures exceeding 300 degrees Celsius can cause embrittlement. It is susceptible to embrittlement at 475°C if left exposed for two hours. In situations with chlorination, it can be used as an alternative to regular stainless steels to prevent corrosion. When producing and manufacturing our items, we only use top-notch materials. Offerings from Sanjivini Steel Center
Numerous industries and applications use our Duplex Steel S31803 Flanges, Here are a handful of them:
| Specification | ASTM A182 / ASME SA182 |
|---|---|
| Size Chart | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, S31803 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. B.S: BS4504 , BS3293, BS1560, BS10 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex Steel S31803 | S31803 | 1.4462 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex S31803 | 0.030 max | 2 max | 1 max | 0.030 max | 0.020 max | 22 - 23 | 3 - 3.50 | 4.50 - 6.50 | 0.14 - 0.20 | Bal |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab reports, Destructive Test Report, Non Destructive Test Reports
Packing In Wooden Boxes, Plastic Bags, Steel Strip Bundled, or as per Customers Requests
Sizes and Specifications other than above can be manufactured on request
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We specialize in exporting a premium selection of Stainless Steel, Carbon Steel, High Nickel Alloy, along with Pipes, Tubes, Fittings, Flanges, Fasteners, and more.
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About Us
We specialize in exporting a premium selection of Stainless Steel, Carbon Steel, High Nickel Alloy, along with Pipes, Tubes, Fittings, Flanges, Fasteners, and more.
© 2024 SANJIVINI STEEL CENTER Powered By YUGASMI