Dhruv Metals, a reputable manufacturer and supplier located in Hyderabad, India, specializes in high-quality Stainless Steel 904L Hex Bars that are engineered for exceptional corrosion resistance and strength, even in the toughest environments. Crafted with precision and in line with international standards, these hex bars boast impressive dimensional accuracy, a sleek surface finish, and remarkable mechanical properties. Dhruv Metals caters to industries that require durability and performance in extreme conditions, providing 904L hex bars that are commonly utilized in chemical processing, marine applications, and other fields where corrosion resistance is crucial.
These Stainless Steel 904L Hex Bars are made with significant amounts of chromium (19–23%), nickel (23–28%), molybdenum (4–5%), and copper (1–2%), while maintaining low carbon content to improve weldability and corrosion resistance. This austenitic stainless steel is known for its outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in acidic and chloride-rich environments. Typical mechanical properties include tensile strength between 490 to 710 MPa, yield strength around 220 MPa, and elongation of 35% or more. The six-sided hexagonal shape not only adds strength but also enhances usability in precision machining and fastening tasks.
| 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 applications in sectors like chemical processing, marine engineering, pulp and paper, pharmaceuticals, and gas handling systems. Their ability to withstand strong acids such as sulfuric, phosphoric, and acetic acids makes them perfect for corrosive environments, including heat exchangers, pressure vessels, and piping systems. The hexagonal design improves grip and torque transmission in fasteners and precision components. These bars are also utilized in offshore oil rigs, desalination plants, and structural applications where long-lasting durability and resistance to harsh conditions are essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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