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LEADING MANUFACTURER, EXPORTER AND SUPPLIER IN INDIA
Sanjivini Steel Center is a reputable manufacturer and supplier of F51 Flanges, designed to securely join pipes, valves, and other equipment in various industrial applications. Made from Duplex Steel A182 Grade F51, these flanges feature a unique metallurgical microstructure that combines both austenitic and ferritic properties, ensuring exceptional strength, durability, and corrosion resistance. The F51 Duplex Steel Flange is composed of 0.08% carbon, 8% nickel, and 18% chromium, along with trace elements such as silicon (1%), manganese (2%), molybdenum (2.5%), nitrogen, phosphorus, and silicon dioxide, which enhance its resistance to stress corrosion cracking and chloride attacks.
With a minimum elongation of 25%, a Brinell hardness of HB, and yield and tensile strengths of 620 MPa and 450 MPa, respectively, Duplex Steel F51 Flanges deliver outstanding mechanical performance while maintaining cost-effectiveness. Their pressure ratings range from 150 to 2500 PSI and above, and they are available in sizes ranging from 12 to 48 inches. Known for their remarkable resilience to harsh environmental conditions, these flanges offer excellent welding and forming properties, ensuring a strong, leak-proof seal in critical applications. As a leading Duplex Steel F51 Flange manufacturer, supplier, and exporter, Sanjivini Steel Center guarantees premium quality, competitive pricing, and timely delivery to meet the needs of global industries. Contact us today for the best Duplex Steel F51 Flange prices and bulk supply solutions.
Duplex steel A182 F51 flanges are used in industrial heat treatment, chemical industrial applications, nuclear engineering, and aerospace. Almost all industries employ F51 flanges, which make up more than half of the duplex material used Sanjivini Steel Center offers a vast array of Duplex Steel A182 Grade F51 flanges in various sizes, shapes, and configurations, such as raised face, flat face, RTJ, raised neck, orifice, and ring type joint flanges that can be tailored to the specific needs of the clientele.
To produce items of the greatest caliber at the most advantageous pricing, we source the best raw materials from reliable vendors.
Numerous industries and applications use our Duplex Steel F51 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, 600 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 DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex Steel F51 | S31803 | 1.4462 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex F51 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22 – 23 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| 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