Aditya Stainless has made a name for itself as a leading manufacturer and supplier of top-notch Stainless Steel 904L Flanges in Kolkata, India. With a reputation for precision engineering and high-quality materials, the company provides flanges that not only meet global standards but also cater to a variety of industrial needs. The SS 904L flanges from Aditya Stainless are exceptionally resistant to corrosion, pitting, and crevice attack, making them perfect for tough environments. With a strong focus on customer satisfaction, they offer tailored solutions for applications in chemical processing, marine, and oil & gas sectors. As a trusted player in Kolkata, Aditya Stainless guarantees reliable products, prompt delivery, and competitive pricing for its clients.
Stainless Steel 904L Flanges are crafted from a super austenitic alloy that includes 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and 1–2% copper. This unique blend provides outstanding resistance to strong reducing acids like sulfuric acid and environments with high chloride levels. The mechanical properties boast a tensile strength of 490 MPa, yield strength of 220 MPa, and an elongation of 35%. SS 904L also retains its toughness at both cryogenic and elevated temperatures. With a hardness of 70 HRB, it ensures remarkable structural stability and longevity even in aggressive service conditions.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2 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 – |
| 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 % |
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SS 904L Slip On Flanges offer excellent corrosion resistance, high strength, and durability for industrial applications, ensuring reliable performance.
SS 904L long weld neck flanges are engineered for high-strength applications requiring extended weld connections. They offer exceptional corrosion resistance and structural integrity, making them suitable for demanding industrial environments.
SS 904L lap joint flanges are designed for flexibility and ease of assembly, featuring excellent corrosion resistance and strength. Their superior durability makes them ideal for applications in aggressive environments and high-pressure systems.
SS 904L Blind Flanges provide strong corrosion resistance, high durability, and are ideal for sealing pipe ends in demanding environments.
Each and every unit of Stainless Steel 904L Flange is well packed with high-grade substances to curb rust and damage in shipping. We hire an efficient means of transportation to ensure timely delivery to the customers since their satisfaction is top priority. Delivery happens to the clients with all necessary documentation such as certificates of compliance along with material specifications, to ensure transparency and trust.
Aditya Stainless’s Stainless Steel 904L Flanges are widely utilized in industries that require exceptional corrosion resistance and strength. They find extensive use in chemical processing plants for managing sulfuric, phosphoric, and acetic acids. In marine settings, SS 904L flanges are favored for their ability to withstand seawater corrosion. Additionally, they are employed in oil & gas, pulp & paper, pharmaceutical, and heat exchanger applications. Throughout Kolkata and beyond, Aditya Stainless supplies SS 904L flanges for critical infrastructure where durability, low maintenance, and performance in challenging environments are crucial.
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