Home > Stainless Steel 904L Tube Fittings
Stainless Steel 904L Tube Fittings have a low-carbon, high-nickel alloy with 23 to 28% nickel, 19 to 23% chromium, 4 to 5% molybdenum, and small amounts of copper and iron. This composition provides great resistance to strong reducing acids, pitting, and crevice corrosion. Mechanically, these fittings have a minimum tensile strength of 490 MPa and a yield strength of 220 MPa, with elongation around 35%. Their austenitic structure ensures excellent toughness, weldability, and pressure containment, making them suitable for aggressive and high-purity environments where standard stainless steels might not perform.
| 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 % |
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Nakamura Stainless is a top manufacturer and supplier of high-performance stainless steel components, based in Pulau Ujong, Singapore. Committed to quality and precision, the company provides premium Stainless Steel 904L Tube Fittings for industries that need excellent corrosion resistance and leak-proof connections. These fittings are designed to work reliably in tough environments like chemical processing, marine systems, and pharmaceuticals. Nakamura Stainless guarantees that each product meets global standards, offering lasting quality, quick service, and affordable solutions to clients in Singapore and beyond.
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.
Nakamura Stainless is a leading supplier and stockist of high-quality Stainless Steel 904L Tube Fittings in Pulau Ujong, Singapore. 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.







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