Ferdi Fittings, located in Istanbul, Turkey, has built a solid reputation as a manufacturer and supplier of Stainless Steel 904L Buttweld Fittings, providing top-notch piping solutions to industries around the globe. Renowned for their precision engineering and durability, these fittings are crafted to meet international standards and can handle even the most extreme environments. Ferdi Fittings is dedicated to delivering reliable, corrosion-resistant components that meet the varied needs of sectors like chemical, petrochemical, pharmaceutical, and marine. With a strong focus on quality, innovation, and customer satisfaction, they ensure that their Stainless Steel 904L Buttweld Fittings meet the stringent performance requirements necessary for demanding industrial applications.
| Grade | SS 904L | UNS N08904 |
| Standard | ASTM B366 / ASME SB366 |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Size | 1/2″ NB – 48″ NB |
| Form | 90 Elbow, 45 Elbow, Long Radius Elbow, Short Radius Elbow, Concentric Reducer, Eccentric Reducer, Equal Tee, Unequal Tee, Lateral Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short Stub End, Long stub end, End Cap, Dish Cap |
| Schedule | SCH 5 To SCH XXS |
| Type | Seamless / Welded / Fabricated |
These fittings are primarily made from chromium, nickel, and molybdenum, with copper added to boost resistance against strong reducing acids like sulfuric acid. This low-carbon, high-alloy austenitic stainless steel is known for its excellent toughness and outstanding resistance to stress corrosion cracking and pitting. They boast high mechanical strength, great weldability, and resistance to chloride-induced crevice corrosion. Their mechanical properties include impressive yield and tensile strength, high elongation, and durability in both oxidizing and reducing environments, making them perfect for aggressive chemical processing and offshore industrial applications.
| 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 is a leading supplier of Stainless Steel 317 Buttweld Fittings in Istanbul, Turkey. We offer an extensive range of Stainless Steel 317L Buttweld Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| 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 |
Stainless Steel 904L Buttweld 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.
Stainless steel 904L Buttweld Fittings provide excellent corrosion resistance, especially in aggressive environments with high concentrations of acids such as sulfuric acid. They are highly resistant to pitting and crevice corrosion, making them ideal for applications in the chemical, petrochemical and marine industries. The high molybdenum and nickel content of the alloy provides high strength and toughness even at elevated temperatures. Furthermore, these materials retain their structural integrity and function under oxidation reduction conditions. Their versatility, strength, and durability make them important application candidates.
| Nominal PipeSize | Outside Diameter | 90° Elbows | 45° Elbows | 180° Returns | ||||
|---|---|---|---|---|---|---|---|---|
| (inches) | – | Long Radius | Short Radius | Long Radius | Long Radius | |||
| (mm) | (inches) | Center to Face (inches) | Center to Face (inches) | Center to Face (inches) | Radius (inches) | Center to Center (inches) | Back to face (inches) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | 7/16 | 2 1/4 | 1 11/16 | ||
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Yes, custom sizes for Stainless Steel 904L Buttweld Fittings are available at Ferdi Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@ferdifittings.com.
Stainless Steel 904L Buttweld Fittings are widely utilized in industries that require exceptional corrosion resistance and strength. They are particularly suited for chemical processing plants, efficiently handling sulfuric, phosphoric, and acetic acids. In the oil and gas industry, these fittings are essential for offshore drilling, refining, and pipeline systems, thanks to their resilience in harsh marine conditions. The pharmaceutical and food sectors also depend on these fittings for hygienic and contamination-free fluid transport. Moreover, they find applications in heat exchangers, seawater cooling systems, and pulp and paper production.
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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