Duplex Steel S31803 Flanges Manufacturer in Mumbai, India
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Largest Duplex Steel S31803 Flanges Manufacturer & Supplier in Mumbai, India
Jai Hind Metal is a reliable manufacturer and supplier of Duplex Steel S31803 Flanges, providing high-strength piping components for applications where corrosion resistance, mechanical performance, and dependable service are important. We understand that every piping system can have different requirements depending on flange size, dimensions, pressure class, facing, material specifications, and applicable manufacturing standards. Our Duplex S31803 Flanges are produced according to customer requirements, with careful attention to dimensional accuracy, surface condition, material quality, and workmanship throughout the manufacturing process. Each finished flange undergoes appropriate inspection before dispatch, including checks for dimensions, surface finish, appearance, and overall manufacturing quality. Our quality control team monitors production and final inspection stages to maintain consistent results, while third-party inspection can be arranged when additional verification is required for specific projects. With organized inventory and suitable storage facilities, we can support both regular orders and larger project requirements.
We also understand that proper handling and packaging play an important role in maintaining the condition of finished Duplex Steel S31803 Flanges during storage and transportation. Products are securely packed using suitable protective materials to help minimize the risk of scratches, moisture, contamination, and physical damage during loading or transit. Where required, customized packaging, product identification, labeling, markings, and additional protective measures can be arranged according to customer instructions or project specifications. Our team coordinates with established logistics providers to manage dispatch efficiently and help ensure that orders reach their destination safely and within the agreed delivery schedule. By combining controlled manufacturing, careful inspection, secure packaging, and clear communication, Jai Hind Metal aims to provide a smooth supply experience and dependable support to customers across different industries and markets.
Precision Engineering
Precisely manufactured metal products meeting demanding industrial standards.
Quality Assured
Consistent quality, reliable performance, and strict inspection at every stage.
Custom Dimensions
Available in customized sizes, grades, thicknesses, and specifications.
Reliable Supply
Efficient processing, secure packaging, and dependable delivery worldwide.
Duplex Steel S31803 Flanges are crafted from a unique duplex stainless steel alloy that includes chromium, nickel, molybdenum, nitrogen, and iron. This blend creates a balanced austenitic-ferritic microstructure, giving these flanges an impressive mix of strength and resistance to corrosion. They’re perfect for piping systems that face harsh conditions like chlorides, seawater, moisture, and other aggressive process media. Plus, they come in a variety of types, sizes, pressure classes, dimensions, and facing configurations to fit your specific needs. The chromium and molybdenum work together to fend off general, pitting, and crevice corrosion, while nitrogen boosts localized corrosion resistance and enhances mechanical strength. Thanks to their duplex structure, these flanges also resist chloride-induced stress corrosion cracking and can handle tough mechanical loads with ease. With their remarkable combination of high strength, corrosion resistance, toughness, and durability, Duplex Steel S31803 Flanges are a go-to choice in industries like oil and gas, chemical processing, petrochemical, marine, desalination, power generation, water treatment, pulp and paper, and offshore operations, where reliable performance is a must in challenging environments.
ASTM A182 S31803 Flange, Duplex Steel 2205 Flanges, Duplex steel S31803 Flanges, ANSI B16.5 Duplex S31803 Flanges, UNS S31803 Flanges, Ferritic Stainless Steel S31803 Plate Flanges, Duplex S31803 Flange, Duplex steel S31803 Pipe Flanges, 1.4462 Flanges, Duplex Steel 2205 Forged Flanges, UNS S31803 Flange, Duplex S31803 Flanges Manufacturer in Mumbai, India.
When it comes to the annealed condition, Duplex Steel S31803 Flanges really shine with their impressive mix of corrosion resistance and mechanical strength. This makes them a go-to choice for tough industrial settings where durability and structural integrity are key. You’ll find them commonly used in oil and gas facilities, chemical processing plants, petrochemical equipment, offshore installations, marine systems, desalination units, water treatment plants, and in process piping that faces corrosive environments. The unique blend of chromium, molybdenum, and nitrogen in S31803 enhances its ability to resist pitting and crevice corrosion, especially in environments rich in chlorides. Plus, the duplex austenitic-ferritic structure offers solid protection against stress corrosion cracking caused by chlorides. With its higher strength, this material can handle demanding pressure and mechanical loads with ease. Overall, Duplex Steel S31803 Flanges provide a well-rounded combination of corrosion resistance, toughness, strength, and long-lasting service, making them perfect for critical connections between pipes, valves, pumps, vessels, and other industrial equipment.
Table of Contents
Largest Stockholder of Duplex steel S31803 Flanges in India, Duplex steel S31803 Pipe Flanges Trader, Duplex S31803 Industrial Flanges, Duplex S31803 Reducing Flanges, Competitive Price of Duplex steel S31803 Slip on Flange, Ready Stock of S31803 Duplex Flange, Duplex S31803 SWRF Flanges, Ferritic Stainless Steel S31803 Weld Neck Flanges, ASTM A182 S31803 Socket weld Flanges Manufacturers in Mumbai, India.
Composition of Duplex Steel S31803 Flanges
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Duplex S31803 Flanges Specification
| A182 S31803 Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| Duplex steel S31803 Flange 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 |
| Duplex S31803 Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| ASTM A182 S31803 Duplex Flanges Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| ASME SA 182 S31803 Flange | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| ASME SA182 S31803 Duplex steel Flange UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| A182 S31803 Flange EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Most common types of ASTM A182 S31803 Duplex Flange | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ASME SA182M Duplex S31803 Flange Production technique | Forged, Heat treated and machined |
| A182 S31803 Flange 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 |
| ASME A182 Duplex S31803 Flange Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| ASTM A182 Ferritic Stainless Steel S31803 Flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Duplex S31803 Flange Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of Duplex steel ASTM A182 S31803 Flange | 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 |
| ASME SA182M Duplex S31803 Flange Uses & application | Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
| Duplex S31803 EN 1092-1 Flange Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi & Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Duplex steel S31803 Flanges can be supplied in either Pipe or Plate construction and are covered by specification ASTM A182 and ASME B16.5.
| ASME/ANSI B 16.5 | Blind Flange, High Hub Blind Flange, Slip on Flange, Welding Neck Flange, Socket Weld Flange, Ring Type Joint Flange, Lap Joint Flange, Threaded Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Slip on Flange, Threaded Flange, Welding Neck Flange, |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
ANSI B16.5 Duplex steel S31803 Flange Forms & Availability
| Products | Size | |
| ASTM A182 Duplex S31803 Slip-On Flanges | ASTM A182 Duplex S31803 Threaded Flanges | Sizes 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 Duplex S31803 Weld Neck Flanges | ASTM A182 Duplex S31803 Socket Weld Flanges | |
| ASTM A182 Duplex S31803 Blind Flanges | ASTM A182 Duplex S31803 Reducing Flanges | |
| ASTM A182 Duplex S31803 Lap Joint Flanges | ASTM A182 Duplex S31803 Plate Flanges | |
| ASTM A182 Duplex S31803 Orifice Flanges | ASTM A182 Duplex S31803 Forged Flanges | |
| ASTM A182 Duplex S31803 Ring Type Joint Flanges | ASTM A182 Duplex S31803 Square Flanges | |
Duplex S31803 Forged Flanges, S31803 Duplex steel Plate Flanges Dealer, Duplex Steel 2205 SORF Flanges, ANSI B16.5 S31803 Duplex Blind Flanges, ASME SA182 S31803 RTJ Flanges, Duplex Steel 1.4462 Lap Joint Flanges Wholesaler, Buy Duplex steel UNS S31803 Threaded Flanges, Ferritic Stainless Steel S31803 Long Weld Neck Flanges, S31803 Duplex Flanges Stockist, Duplex S31803 Orifice Flange, S31803 Duplex Spectacle Blind Flanges Supplier in Mumbai, India.
Equivalent Grades Duplex S31803 Flanges
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex S31803 | 1.4462 | S31803 |
Chemical Composition of Duplex steel S31803 Plate Flanges
| 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 |
Mechanical Properties of Duplex A182 S31803 Forged Flanges
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
Duplex Steel S31803 can be supplied in either Pipe or Plate construction and are covered by specification ASTM A182 and ASME B16.5.
Duplex Steel S31803 Flanges are available in forged and plate construction, depending on the flange design, size, pressure rating, and specific application requirements. These flanges are manufactured in accordance with recognized material and dimensional standards to provide consistent quality, accurate fitment, and reliable performance in industrial piping systems. Forged Duplex S31803 Flanges are generally supplied in accordance with ASTM A182 / ASME SA182 material requirements, while standard flange dimensions are commonly manufactured according to ASME B16.5. For larger-diameter piping systems, dimensions may be supplied in accordance with ASME B16.47, where applicable. Following these established standards helps maintain dimensional consistency, material traceability, pressure compatibility, and reliable connections with pipes, valves, pumps, and other associated equipment.
Duplex Steel S31803 Flanges Production Range
Stainless Steel 304 Weld Neck Flanges
Stainless Steel 304 Slip on Flanges
Stainless Steel 304 Blind Flanges
Stainless Steel 304 Socket weld Flanges
Stainless Steel 304 Threaded Flanges
Stainless Steel 304 Lap Joint Flanges
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We offer These Duplex Steel S31803 Flanges as per DIN, ISO, JIS or ANSI Standard.
We supply Duplex Steel S31803 Flanges in accordance with recognized international standards such as DIN, ISO, JIS, and ANSI, supporting the requirements of industrial piping systems, process equipment, and engineering projects. Our flanges are available in different sizes, dimensions, pressure classes, facing types, and configurations to suit specific installation and operating conditions. At Jai Hind Metal, we focus on maintaining consistent material quality, dimensional accuracy, surface finish, and dependable workmanship while supplying S31803 Flanges according to applicable standards and customer specifications. Where required, project-specific drawings, inspection requirements, product identification, markings, and customized manufacturing details can also be accommodated. For product details, technical specifications, or customized requirements, email us at info@jaihindmetal.com.
Uses & Applications of Duplex Steel S31803 Flanges
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Looking for high-quality industrial products manufactured to your specific requirements? Contact our team for product details, customized solutions, pricing, and timely delivery.
Email: info@jaihindmetal.com
INDUSTRIES WE SERVE
Our high-performance metal products are engineered to meet the demanding requirements of industries operating in challenging environments, including extreme temperatures, pressure and corrosive conditions.
Marine Applications
Our corrosion-resistant metal products are widely used in marine environments where exposure to seawater, salt spray and harsh atmospheric conditions demands exceptional durability and reliability.
Oil & Gas
Our nickel alloys and high-performance metal products are used throughout the oil and gas industry for demanding applications involving high pressure, corrosive fluids, sour gas and extreme operating conditions.
Chemical Processing
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
Aerospace
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Power Generation
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Salt Production
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
