My WordPress Blog
Jai Hind Metal is a reliable manufacturer and supplier of Stainless Steel 904L Flanges, offering corrosion-resistant piping components for industries where material performance and service life are important. We understand that each application can have different requirements related to flange size, dimensions, pressure class, facing, material specifications, and manufacturing standards. Our flanges are therefore produced according to the details provided by the customer, with careful attention given to accuracy and workmanship throughout the process. Before dispatch, every Stainless Steel 904L Flange is inspected for dimensions, surface finish, overall appearance, and manufacturing quality. Our quality control team carries out process and final inspections to maintain consistent results, and third-party inspection can be arranged for projects that require additional verification. With organized inventory and proper storage facilities, we can support both regular supply requirements and larger project orders.
We understand that proper handling and packaging are equally important when supplying finished products. Stainless Steel 904L Flanges are carefully packed with suitable protective materials to help prevent scratches, moisture, contamination, and damage during loading or transportation. Where required, we can arrange customized packaging, identification labels, and additional protection based on the customer’s shipping or project requirements. Our team coordinates with established logistics providers to manage dispatch and help ensure orders reach their destination safely and within the agreed schedule. By combining careful manufacturing, detailed inspection, secure packaging, and clear communication, Jai Hind Metal strives to make every order convenient to manage and provide consistent support to customers across different markets.
Precisely manufactured metal products meeting demanding industrial standards.
Consistent quality, reliable performance, and strict inspection at every stage.
Available in customized sizes, grades, thicknesses, and specifications.
Efficient processing, secure packaging, and dependable delivery worldwide.
Stainless Steel 904L Flanges are manufactured from high-quality superaustenitic stainless steel containing chromium, nickel, molybdenum, and copper, providing excellent resistance to corrosion in demanding environments. These flanges are particularly suitable for applications involving aggressive acids, chlorides, and other corrosive media and can be manufactured in various types, sizes, pressure classes, and dimensions to meet specific piping requirements. The higher alloy content of SS 904L provides enhanced resistance to pitting, crevice corrosion, and general corrosion, while its low carbon content supports good weldability and reduces the risk of carbide precipitation during welding. The addition of copper further improves resistance to reducing acids such as sulfuric acid. With excellent corrosion resistance, good toughness, and dependable performance in aggressive service conditions, Stainless Steel 904L Flanges are suitable for chemical processing, petrochemical, pharmaceutical, marine, and other demanding industrial applications.
In the annealed condition, Stainless Steel 904L Flanges offer excellent resistance to general corrosion, pitting, and crevice corrosion, making them suitable for aggressive industrial environments. They are widely used in chemical processing plants, pharmaceutical equipment, petrochemical facilities, marine systems, pollution-control equipment, and process piping where strong corrosion resistance is required. The high levels of chromium, nickel, molybdenum, and copper in SS 904L provide enhanced protection against a wide range of corrosive media, including sulfuric acid and chloride-containing environments. Its low carbon content also supports good weldability and helps minimize the risk of carbide precipitation during welding. With excellent corrosion resistance, good toughness, durability, and reliable performance in harsh service conditions, Stainless Steel 904L Flanges are well suited for demanding piping and equipment connections.
Stainless Steel 904L Flanges are manufactured from an iron-based austenitic stainless steel alloy containing chromium, nickel, molybdenum, and copper. The higher nickel and molybdenum content provides excellent resistance to corrosion in aggressive environments, while copper further improves resistance to reducing acids such as sulfuric acid. Chromium contributes to oxidation and general corrosion resistance, while the alloy’s low carbon content supports good weldability. This balanced composition makes SS 904L Flanges suitable for demanding applications where enhanced resistance to corrosive chemicals and chloride-containing media is required.
| A182 Gr F904L Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| Stainless Steel 904L 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 |
| SS Grade F904L Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| ASTM A182 F904L Stainless Steel Flanges Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| ASME SA 182 F904L Flange | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| ASME SA182 904L Stainless Steel Flange UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| A182 F904L 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 F904L Stainless Steel 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 SS 904L Flange Production technique | Forged, Heat treated and machined |
| A182 Grade F904L 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 SS 904L Flange Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| ASTM A182 SS 904L Flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| SS 904L Flange Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of Stainless Steel ASTM A182 F904L 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 Stainless Steel 904L Flange Uses & application | Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
| SS 904L 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 | |
| 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 |
| Products | Size | |
| ASTM A182 SS F904L Slip-On Flanges | ASTM A182 SS F904L Threaded Flanges | Sizes 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 SS F904L Weld Neck Flanges | ASTM A182 SS F904L Socket Weld Flanges | |
| ASTM A182 SS F904L Blind Flanges | ASTM A182 SS F904L Reducing Flanges | |
| ASTM A182 SS F904L Lap Joint Flanges | ASTM A182 SS F904L Plate Flanges | |
| ASTM A182 SS F904L Orifice Flanges | ASTM A182 SS F904L Forged Flanges | |
| ASTM A182 SS F904L Ring Type Joint Flanges | ASTM A182 SS F904L Square Flanges | |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
| 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 % |
| American Steel Flanges Standard | |
| Standard Code | Standard Name |
| ANSI ASME SA-182 | Forged Flanges |
| ANSI ASME B16.5 | Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange |
| ASME – B 16.47 | Welding neck flange, Blind flange |
| ASME – B 16.36 | Welding neck flange Slip on flange |
| German Steel Flanges Standard | |
| DIN 2527 | Steel Blind Flanges, BLRF |
| DIN 2573 / 2576 | Flat Flange for Welding (Slip On) |
| DIN 2673 | Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars) |
| DIN 2641 / 2642 | Lapped / Loose (Lap Joint) Flanges Plain Collars |
| DIN 28115 | Long Neck Welding Flanges |
| DIN PN10, PN16 | SS 904L PN10 Flanges, 904L SS DIN PN 10 Flanges, 904L SS PN16 Flange |
| DIN PN20, PN25 | SS 904L PN20 Flanges, 904L SS DIN PN 25 Flanges |
| DIN PN40, PN50 | SS 904L PN40 Flanges, 904L SS DIN PN 50 Flanges |
| Japanese Steel Flanges Standard | |
| JIS B2220 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS B2291 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS 5K, 10K | SS 904L 5K SORF Flanges, 904L SS 10K SOFF Flanges |
| JIS 16K, 20K | SS 904L 16K Blind Flanges, 904L SS 20K BLRF Flanges |
| JIS 30K, 40K | SS 904L 30K Slip on Flanges, 904L SS 40K Blind Flanges |
| Italian Flanges Standard | |
| UNI FLANGES | Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254) |
| British Standard Pipe Flanges Standard | |
| BS 10 Table D | SS 904L BS 10 Table D Flanges, 904L Table D Pipe Flange |
| BS 10 Table E | SS 904L BS 10 Table E Flanges, 904L Table E Pipe Flange |
| BS 10 Table F | SS 904L BS 10 Table E Flanges, 904L Stainless Steel Table E Flanges |
| BS 10 Table H | SS 904L BS 10 Table E Flanges, Stainless Steel 904L Table E Pipe Flanges |
| Flange Schedule/Class | Pipe Size – Pipe Flanges | Flange Connection Type | Flange Material | Max. Pressure |
|---|---|---|---|---|
| ASME B16.5 Class 150 | 1/2″ | FNPT | Stainless Steel 904L Flanges | 150 psi |
| ASME B16.5 Class 150 | 1/2″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 1/2″ | Welded | Stainless Steel 904L Flanges | 150 psi |
| ASME B16.5 Class 150 | 3/4″ | FNPT | Stainless Steel 904L Flanges | 150 psi |
| ASME B16.5 Class 150 | 3/4″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 1-1/4″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 1-1/2″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 2″ | FNPT | Stainless Steel 904L Flanges | 150 psi |
| ASME B16.5 Class 150 | 2″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 2-1/2″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 3″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 150 | 4″ | FNPT | Stainless Steel 904L Flanges | 150 psi |
| ASME B16.5 Class 150 | 4″ | Socket Weld | Stainless Steel 904L Flanges | 275 psi |
| ASME B16.5 Class 300 | 1/2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1/2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/4″ | FNPT | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/4″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 2-1/2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 2-1/2″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 3″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 3″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 4″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| ASME B16.5 Class 300 | 4″ | Slip On | Stainless Steel 904L Flanges | 720 psi |
| 904L Stainless Steel Blind Flange | SS 904L Flat Flange Supplier in India |
| Stainless Steel UNS N08904 Flanges Manufacturer | Stainless Steel 904L Slip on Flanges |
| Stainless Steel 904L Weld Neck Flanges | SS 904L Socket weld Flanges Dealer in India |
| SS 904L Long Weld Neck Flanges Stockist | ASTM A182 F904L SS Threaded Flanges |
| Stainless Steel 904L Flanges Supplier in India | Stainless Steel EN 1092-1 Plate Flanges |
| Stainless Steel 904L Forged Flanges Wholesaler | SS UNS N08904 Lap Joint Flanges Supplier |
| Stainless Steel 904L BLRF Flange Manufacturer | Stainless Steel 904L Raised Face Flanges |
| F904L Stainless Steel Nipoflange | Stainless Steel SUS 904L Reducing Flanges |
| ANSI B16.5 Stainless Steel 904L Pipe Flange | SS 904L Ring Type Joint Flanges |
| 1.4539 Stainless Steel Orifice Flange | Stainless Steel 904L Spectacle Blind Flanges Stockists |
| Stainless Steel 904L PN 10 Flange | 904L PN 16 Stainless Steel Flanges Stockists |
| Stainless Steel 904L DIN Flanges | INOX 1.4539 SS SORF Flanges Exporter |
| ASME B16.5 Stainless Steel 904L Flanges | ASTM A182 904L Tongue & Groove Flanges |
| SS 904L Male & Female Flanges | Stainless Steel 904L RTJF Flanges |
| ASTM A182 SS 904L Screwed Flanges | ASME SA182 SS904L Expander Flanges |
| 904L SS Spades Ring Spacers Flanges | ASME SA182 Stainless Steel 904L Flat Face Flange |
| 904L SS 5K SOFF Flanges | Stainless Steel 904L 10K Flanges |
| INOX 1.4539 Puddle Flanges Exporter | Stainless Steel 904L Socket Welding Flange |
| Grade 904L Stainless Steel Weldo Flanges | 904L Stainless Steel Nipo Flanges |
| SUS 904L Long Weld Neck Flanges | ASTM A182 F904L Flanges Facing Type & Finish |
| 904L BS Standard Table E Flange | SS 904L British Standard Table D Pipe Flanges |
| F904L Long Welding Neck Flange | Grade 904L Stainless Steel Raised Face Flange |
| ASME SA182 Stainless Steel 904L Spectacle Blind Flanges | 904L Stainless Steel BLRF Flanges Supplier |
| Stainless Steel 904L High Hub Blinds Flanges | F904L Flanges Facing Type & Finish |
| X1NiCrMoCu25-20-5 SS Forging Facing Flanges Dealer | Stainless Steel 904L Weld Neck Flanges A / B Stockist |
| Stainless Steel 904L Plate Flange Supplier in Mumbai | SS 904L Loose Flanges Manufacturer in India |
| Stainless Steel 1.4539 Flanges Dimensions | Stainless Steel 904S13 Spades Ring Spacers Flanges |
| Wrought Austenitic Stainless Steel 904L Flanges | ASTM A182 F904L Expander Flanges at Best Price |
| SS X1NiCrMoCu25-20-5 Reducing Flanges Supplier | Suppliers of 904L Stainless Steel Welding Neck Flange |
Stainless Steel 904L Flanges are available in pipe or plate construction and are manufactured in accordance with recognized industry standards. These flanges are generally supplied as per ASTM A182 material specifications and ASME B16.5 dimensional requirements, providing consistent material quality, dimensional accuracy, and reliable compatibility with a wide range of industrial piping systems.






We offer Stainless Steel 904L Flanges in accordance with international standards such as DIN, ISO, JIS, and ANSI, supporting the diverse requirements of industrial piping systems. Our flanges are available in various sizes, dimensions, pressure ratings, and configurations to meet different installation and operating requirements. At Jai Hind Metal, we emphasize consistent product quality, dimensional accuracy, and dependable service performance while supplying SS 904L Flanges according to applicable industry standards and customer specifications. For product details, specifications, or customized requirements, email us at info@jaihindmetal.com.
Stainless Steel 904L Flanges are widely used to provide strong and dependable connections between pipes, valves, pumps, and other equipment in industrial piping systems. Their high resistance to corrosion, especially in aggressive acidic and chloride-rich environments, makes them suitable for demanding service conditions. These flanges are commonly used in chemical processing, petrochemical plants, pharmaceutical industries, oil and gas, pulp and paper production, seawater handling, water treatment, pollution control equipment, and marine applications, where long-term resistance to harsh media is essential.
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
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.
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.
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.
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
Website security powered by MilesWeb