Anucha Metals, a well-respected manufacturer and supplier located in Bangkok, Thailand, is renowned for providing top-notch Stainless Steel 904L Hex Bars to clients both locally and internationally. With a strong focus on precision engineering, durability, and compliance with global standards, the company delivers products that stand out for their strength and resistance to corrosion. These Stainless Steel 904L Hex Bars are particularly prized for their remarkable performance in tough and corrosive settings. Anucha Metals proudly supports various industries, including petrochemical, marine, oil & gas, and construction, with dependable and long-lasting stainless steel solutions.
The composition of Stainless Steel 904L Hex Bars includes chromium, nickel, molybdenum, and copper, all while maintaining a low carbon content, which guarantees exceptional resistance to harsh chemicals and corrosion caused by chlorides. They show impressive resistance to sulfuric, phosphoric, and acetic acids. On the mechanical side, these hex bars offer tensile strength ranging from 490 to 710 MPa, yield strength around 220 MPa, and excellent ductility. They also boast superior toughness, weldability, and fatigue resistance. With their ability to retain strength and stability even at high temperatures, these hex bars are perfect for demanding engineering and industrial applications.
| 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 require strength, corrosion resistance, and precise dimensions. In the chemical and petrochemical fields, they are utilized in heat exchangers, storage tanks, and reactors that deal with strong acids. The marine sector uses them in shipbuilding, propeller shafts, and seawater cooling systems. In the oil and gas industry, they are essential for pipelines, subsea equipment, and offshore platforms. Additionally, they are employed in pharmaceuticals, food processing, pulp and paper, and construction projects. Thanks to their durability and reliability in extreme conditions, Stainless Steel 904L Hex Bars are a top choice around the globe.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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