Stainless Steel 904L, often referred to as UNS N08904 or Werkstoff Nr. 1.4539, is a top-notch super austenitic stainless steel alloy known for its impressive resistance to corrosion, particularly in acidic and chloride-heavy environments. Typically, its chemical makeup consists of 19–23% chromium, 23–28% nickel, 4–5% molybdenum, 1–2% copper, along with trace amounts of carbon, manganese, silicon, phosphorus, and sulfur. This alloy boasts remarkable mechanical properties, featuring a minimum tensile strength of 490 MPa, a yield strength of 220 MPa, and an elongation of 35–40%. Its hardness falls within the range of 70–90 HRB, and it has a density of about 7900 kg/m³, showcasing strong resistance to stress corrosion cracking and pitting.
| 904L Pipe Fittings Specifications | ASTM A403/ ASME SA403 |
|---|---|
| 904L SS Pipe Fittings size | 904L Seamless Butt Weld Fittings : 1/2″ – 10″ 904L Welded Butt Weld Fittings : 1/2″ – 48″ |
| SS 904L Pipe Fittings Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Stainless Steel 904L Buttweld Fittings Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| 904L Buttweld Pipe FittingsType | DN15-DN1200 |
| ASTM A403 904L Buttweld Fitting Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom ASTM A403 Grade WP904L Pipe Fitting |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) ASTM A403 WP 904L Buttweld Fitting |
| ASTM A403 WP904L Buttweld Fittings Manufacturing process | Push, Press, Forge, Cast, etc. |
| 904L Stainless Steel Buttweld Pipe Fittings Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| SA 403 WP904L Pipe Fittings Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| Specialized manufacturer of | SS UNS N08904, N08904 90º Elbows, 45º Elbows, Tees, Cross, Reducer, Pipe Cap, Stub End, Pipe Bend |
| We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Bhansali Nickel Alloys is a well-known manufacturer and supplier of Stainless Steel 904L pipe fittings, proudly based in Istanbul, Turkey. They offer a diverse selection of products, including elbows, tees, reducers, stub ends, and flanges crafted from SS 904L. Renowned for their exceptional quality and performance, these fittings are designed to comply with international standards like ASTM B366 and are extensively supplied to the petrochemical, marine, and chemical industries. Their facility in Istanbul ensures quick delivery throughout Turkey and nearby regions, providing competitive pricing and customizable solutions tailored for challenging industrial applications in harsh corrosive settings.
| 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 % |
Ferdi Fittings one of the largest suppliers of Stainless Steel 904L Pipe Fittings in Istanbul, Turkey. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 904L is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 904L Pipe Fittings in the Turkey.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 904L Pipe Fittings from Ferdi Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| Product range and theoretical weights (kg) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| DN | Schedule 10S | Schedule 40S | Schedule 80S | ||||||
| 900 Elbow | 450 Elbow | Equal tee | 900 Elbow | 450 Elbow | Equal tee | 900 Elbow | 450 Elbow | Equal tee | |
| 8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
| 10 | 0.03 | 0.02 | 0.05 | 0.03 | 0.02 | 0.03 | 0.06 | 0.04 | 0.09 |
| 15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
| 20 | 0.07 | 0.03 | 0.13 | 0.08 | 0.04 | 0.17 | 0.11 | 0.05 | 0.20 |
| 25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
| 32 | 0.23 | 0.11 | 0.49 | 0.26 | 0.17 | 0.59 | 0.40 | 0.23 | 0.68 |
| 40 | 0.30 | 0.17 | 0.68 | 0.40 | 0.23 | 0.86 | 0.51 | 0.29 | 1.02 |
| 50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.4 | 1.28 | 0.91 | 0.59 | 1.59 |
| 65 | 0.85 | 0.48 | 1.41 | 1.40 | 0.77 | 2.19 | 1.81 | 0.99 | 3.13 |
| 80 | 1.25 | 0.63 | 1.77 | 2.20 | 1.08 | 3.31 | 2.97 | 1.50 | 4.45 |
| 90 | 1.70 | 0.75 | 2.67 | 2.83 | 1.42 | 4.08 | 4.00 | 2.00 | 5.44 |
| 100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
| 150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.61 |
| 200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
| 250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
| 300 | 25.80 | 13.62 | 39.46 | 59.42 | 29.71 | 62.14 | 79.38 | 39.69 | 83.91 |
SS 904L Pipe Fittings offer outstanding advantages, including exceptional resistance to corrosion, pitting, and stress corrosion cracking, particularly in acidic and chloride-rich environments. The high nickel and molybdenum content ensures excellent durability even in harsh conditions. These fittings maintain structural integrity at high temperatures and under thermal cycling. With low carbon content, they prevent carbide precipitation, making them ideal for welding applications. Their superior strength, ease of fabrication, and resistance to aggressive chemicals make them ideal for industries like chemical processing, pharmaceuticals, and marine applications.
Yes, custom sizes are available for Stainless Steel 904L Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@ferdifittings.com.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
These Stainless Steel 904L Pipe Fittings find their place in various industries that operate in harsh, corrosive environments. They are commonly used in chemical processing plants, oil and gas refineries, pulp and paper mills, marine applications, and pharmaceutical production facilities. 904L fittings excel in handling sulfuric, phosphoric, and acetic acids, as well as conditions rich in chlorides. Their excellent weldability and formability make them ideal for intricate piping systems found in heat exchangers, condensers, and seawater cooling systems, ensuring long-lasting durability, leak resistance, and structural stability in demanding industrial settings.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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