Smith Fittings, based in Canberra, Australia, has built a solid reputation as a reliable manufacturer and supplier of **Stainless Steel 904L pipe fittings**. These fittings are celebrated for their exceptional corrosion resistance, especially in tough environments. Crafted from high-alloy austenitic stainless steel, they’re designed to meet the rigorous demands of various industries, including chemical processing, marine, pharmaceutical, and offshore oil and gas. With their remarkable ability to withstand strong acids, chloride stress corrosion, and pitting, Stainless Steel 904L is the go-to choice for critical piping systems. Smith Fittings prides itself on delivering precise manufacturing, ensuring high dimensional accuracy and long-lasting durability in every 904L fitting they provide.
| 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 | |
Our Stainless Steel 904L Pipe Fittings are crafted from a low-carbon, high-alloy austenitic stainless steel, featuring a composition of 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and 1–2% copper. This unique alloy provides outstanding resistance to strong acids and corrosion caused by chlorides. On the mechanical side, 904L fittings boast a tensile strength of up to 710 MPa and a yield strength of around 220 MPa, along with impressive toughness and formability. Their exceptional corrosion resistance and structural integrity make them perfect for applications where high strength and longevity are essential.
| 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 % |
**Stainless Steel 904L** is a low-carbon, high-alloy austenitic stainless steel that boasts significant amounts of chromium (19–23%), nickel (23–28%), molybdenum (4–5%), and copper (1–2%). This unique blend gives it outstanding resistance to sulfuric, phosphoric, and acetic acids, along with corrosion caused by chlorides. 904L not only offers excellent mechanical strength and good weldability but also retains its toughness even in cryogenic conditions. Its low carbon content helps reduce the risk of carbide precipitation during welding, which in turn preserves its corrosion resistance in heat-affected areas.
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 Smith 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@smithfittings.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 |
**Stainless Steel 904L pipe fittings** are commonly utilized in harsh environments where preventing corrosion, pitting, and cracking is crucial. You’ll find them in applications like chemical storage and processing systems, heat exchangers, offshore platforms, pulp and paper industries, and seawater handling equipment. Their durability and non-reactive properties also make them a great fit for the pharmaceutical and food processing sectors. These fittings guarantee leak-free, high-integrity joints in pipelines, contributing to the longevity and efficiency of complex piping systems, even when faced with high pressure and temperature conditions.
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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