Home > Stainless Steel 904L Tube Fittings
When it comes to composition and mechanical properties, our Stainless Steel 904L Tube Fittings are made up of approximately:
– Nickel (Ni): 23%
– Chromium (Cr): 19%
– Molybdenum (Mo): 4.5%
– Copper (Cu): 1.5%
This unique blend offers outstanding resistance to corrosion, including pitting and crevice corrosion in chloride environments. With a yield strength of around 220 MPa and a tensile strength of about 490 MPa, these fittings also maintain good toughness at low temperatures, ensuring they hold up in environments ranging from -50°C to 300°C. Plus, the low carbon content reduces the risk of sensitization during welding, guaranteeing reliable performance in critical applications.
| Specifications | : | ASTM S182 / A276 ASME SA 479 |
| Tube Size | : | 6mm to 38mm to 1/4″ to 1 1/2″ |
| Thread | : | NPT, BSP, BSPT, UNF, ISO, SAE, etc. |
| Brass | : | ASTM B16 ASTM B 453 |
| Pressure Rating | : | 6000PSI for Stainless Steel, 300/1000/3000PSI for Brass |
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | Cu |
| SS 904L | 0.02 max | 2.0 max | 1.0 max | 0.045 max | 0.035 max | 19 – 23 | 23 – 28 | 4 – 5 | 1 – 2 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 904L | 8.05 g/cm3 | 1350 °C (2460 °F) | Psi – 71000, MPa – 490 | Psi – 32000, MPa – 220 | 35 % |
Contact us to get a quick quote for your requirement.
At Merih Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 904L Tube Fittings in Istanbul, Turkey. Our state-of-the-art solutions address all your piping needs. With advanced production facilities in the Turkey, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring that stock is readily available to meet your demands.
Stainless Steel 904L Union Cross connects four tubes at a right angle. It typically comes in sizes ranging from 1/4″ to 2″. Known for its exceptional corrosion resistance, it is ideal for highly corrosive environments.
Stainless Steel 904L Reducer Union smoothly transitions two different tube sizes. Available in sizes from 1/4″ to 2″ and designed for high corrosion resistance, it’s perfect for managing flow changes in corrosive settings.
Stainless Steel 904L Male Branch Tee features a male thread on the branch and is used to create a branch connection. It is available in sizes from 1/4″ to 2″ and offers excellent resistance to corrosion, making it suitable for harsh environments.
The Stainless Steel 904L Female Connector is designed to join two tubes with female threads. It comes in sizes from 1/4″ to 2″ and is highly corrosion resistant, ideal for chemical processing and marine applications.
Stainless Steel 904L Male Elbow allows for a 90-degree change in the direction of the tubing. Available in sizes from 1/4″ to 2″, it provides superior corrosion resistance and is suitable for complex piping systems in corrosive environments.
A Stainless Steel 904L Male Connector connects two tubes with male threads. It is available in sizes from 1/4″ to 2″ and offers high resistance to corrosion, making it ideal for use in aggressive chemical environments.
Merih Stainless is a leading supplier and stockist of high-quality Stainless Steel 904L Tube Fittings in Istanbul, Turkey. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
As for specifications, our fittings come in a size range of 1/16″ to 2″ (Imperial) and 2 mm to 50 mm (Metric). We offer various thread types, including NPT, BSPT, BSPP, UNF, ISO/BSP Parallel, and ISO/BSP Tapered. They can handle pressure ratings from 2000 to 6000 PSI and come with end connections like threaded, welded, JIC, port connectors, sanitary flanges, and tube adapters. Our fittings comply with standards such as ASTM B649, ASTM A182, ASTM A276, and ASTM A479, making them ideal for high-pressure and high-temperature applications, ensuring leak-free connections in instrumentation and process systems.
When it comes to types and applications, our Stainless Steel 904L Tube Fittings are available in various forms to meet your needs. For instance, we have tube to male/female connectors designed for connecting tubes to male or female threads.







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