Zain Fittings is a well-respected manufacturer and supplier of Stainless Steel 904L Buttweld Fittings, proudly based in Surabaya, Indonesia. The company focuses on crafting top-notch buttweld fittings that offer outstanding corrosion resistance, durability, and performance, even in the most challenging environments. Stainless Steel 904L is a low-carbon austenitic stainless steel enriched with high levels of molybdenum, nickel, and copper, which gives it remarkable resistance to pitting, crevice corrosion, and acid attacks. Zain Fittings has a diverse selection of 904L buttweld fittings, including elbows, tees, reducers, caps, and crosses, serving industries like chemical processing, petrochemical, marine, and pharmaceuticals, where high performance and long-lasting reliability are crucial.
| 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 Stainless Steel 904L Buttweld Fittings are made up of about 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and 1–2% copper, with a low carbon content that enhances both weldability and corrosion resistance. The alloy boasts a tensile strength ranging from 485–620 MPa, a yield strength of 170–275 MPa, and an elongation of 35–45%. Thanks to its austenitic structure, it offers excellent toughness, high resistance to both oxidizing and reducing acids, and superior performance in environments rich in chlorides and corrosive substances. These characteristics make 904L fittings perfect for high-pressure, high-temperature, and chemically aggressive 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 % |
Zain Fittings is a leading supplier of Stainless Steel 317 Buttweld Fittings in Jakarta, Indonesia. 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 Zain 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 Zain Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@zainfittings.id.
Stainless Steel 904L Buttweld Fittings are widely utilized in industries that demand exceptional corrosion resistance and durability. They are particularly suited for chemical and petrochemical plants, acid handling systems, seawater equipment, heat exchangers, and condensers. Their impressive resistance to pitting, crevice corrosion, and stress corrosion cracking makes them ideal for marine, pharmaceutical, and food processing sectors. Moreover, these fittings find applications in power generation, desalination, and wastewater treatment industries, ensuring long-term reliability, operational safety, and efficient performance.
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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