Maduka Metals, a well-respected manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality **Stainless Steel 904L Hex Bars** that are built to withstand corrosion and last over time. Thanks to their cutting-edge manufacturing techniques and rigorous quality checks, the company delivers hex bars that not only meet international standards but also cater to specific customer needs. These bars are in high demand across industries that require exceptional strength and the ability to endure tough environments. With a commitment to timely delivery, precise machining, and competitive pricing, Maduka Metals has become a reliable source for Stainless Steel 904L Hex Bars in Nigeria and beyond.
The Stainless Steel 904L Hex Bar is crafted from a low-carbon, high-alloy austenitic stainless steel that includes chromium (19–23%), nickel (23–28%), molybdenum (4–5%), and copper (1–2%). This distinctive blend provides outstanding resistance to strong reducing acids and chloride stress corrosion. It boasts a tensile strength of about 490–710 MPa and a yield strength of around 220 MPa, with an elongation of 35%. The alloy retains excellent toughness and formability, even at cryogenic temperatures, while also offering improved weldability and long-lasting performance in corrosive settings.
| Specifications | ASTM B649 / ASME SB 649 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Stainless Steel Round Bar | Outside Diameter in the range of 4mm to 500mm |
| Stainless Steel Bright Bar | Outside Diameter in the range of 4mm to 100mm |
| Stainless Steel Hex Bar | 18mm – 57mm (11/16″ to 2-3/4″) |
| Stainless Steel Square Bar | 18mm – 47mm (11/16″ to 1-3/4″) |
| Stainless Steel Flat Bar | 1/2″ to 10″ in thickness range of 2 mm to 150mm, Custom Size Stainless Steel Flats available |
| Range | 3.17 MM TO 350 MM DIA |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finishing | Bright, Polish & Black |
| Form of | Hex, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc., |
| Other Services | Machining (CNC), Centreless Grinding (CG), Heat Treatment, Annealing, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication, |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu | |
| SS 904L | Min | – | – | – | – | – | 19 | 4 | 23 | 1 |
| Max | 0.02 | 2 | 1 | 0.045 | 0.035 | 23 | 5 | 28 | 2 |
| Grade | Tensile strength (MPa) | Yield Strength 0.2% Proof(MPa) | Elongation (% in 50mm) | Hardness – Brinell |
| 904L | 490 | 220 | 36 | 70-150 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 904L Hex Bar offers excellent corrosion resistance, especially against pitting, crevice, and stress corrosion cracking. Its high nickel and chromium content make it ideal for harsh environments like chemical processing, marine, and power plants. The hexagonal shape provides enhanced strength and machinability, ensuring durability and reliability in industrial applications.
SS 904L outperforms many stainless steels, such as 304 and 316, in corrosion resistance due to its higher nickel and molybdenum content. This composition enhances resistance to chloride-induced pitting and crevice corrosion, making it ideal for environments with high chloride concentrations or acidic exposure, such as chemical and marine applications.
SS 904L Hex Bar is commonly used in the chemical, petrochemical, marine, and pharmaceutical industries. It is ideal for applications such as heat exchangers, reactor vessels, pressure vessels, and piping systems, where resistance to corrosion, especially in acidic and chloride-rich environments, is critical for long-term durability and performance.
Stainless Steel 904L Hex Bars find extensive use in industries that demand high corrosion resistance and mechanical strength. They are commonly used in chemical processing equipment, heat exchangers, the pulp and paper industry, and marine components. Additionally, they play a crucial role in the production of fittings, fasteners, and shafts that operate in acidic or chloride-rich environments. Thanks to their remarkable durability, these hex bars are perfect for offshore oil and gas platforms, pharmaceutical equipment, and environmental scrubbers, ensuring reliable long-term performance and lower maintenance costs in challenging operational conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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