Located in Houston, USA, Vipul Pipes and Tubes is a leading manufacturer and supplier of stainless steel 904L pipe fittings for demanding industrial applications and high corrosion. Low in carbon and high in chromium, nickel, and molybdenum, SS 904L is an austenitic stainless steel that is not stabilised. It works very well in environments with a lot of chloride and provides excellent resistance to strong reducing acids, especially sulphuric acid. According to ASTM A403 standards, Vipul Pipes and Tubes manufactures elbows, tees, reducers, crosses, and caps with exceptional dimensional accuracy that are appropriate for demanding applications in the pharmaceutical, chemical, and marine industries.
| 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 | |
Vipul Pipes and Tubes’ 904L stainless steel pipe fittings have a very low carbon content (≤0.02%) and a high alloy composition, consisting of copper (1–2%), nickel (23–28%), molybdenum (4–5%), and chromium (19–23%). Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking is offered by this special combination. Tensile strength ≥490 MPa, yield strength ≥220 MPa, and elongation ≥35% are all provided by these fittings. Additionally, SS 904L retains good formability and weldability, which makes it appropriate for harsh chemical environments, especially in systems that are exposed to sulphuric and phosphoric acids.
| 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 % |
Harry Fittings one of the largest suppliers of Stainless Steel 904L Pipe Fittings in Houston, USA. 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 USA.
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 Harry 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@harryfittings.us.
| 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 from Vipul Pipes and Tubes are widely used in pulp and paper mills, desalination systems, oil and gas refineries, chemical processing and pharmaceutical facilities. These fittings are perfect for high-chloride service lines, reactors, heat exchangers, and acid storage tanks because they are resistant to phosphoric, acetic, and sulphuric acids. Because it offers a long service life with little maintenance, SS 904L is also preferred in settings that are susceptible to corrosion fatigue and stress-related cracking. It is appropriate for specialised electronic and aerospace piping systems due to its non-magnetic characteristics.
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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