Rupal Metals, located in Delhi, India, is a reputable manufacturer and supplier known for its top-notch stainless steel products, including the high-quality Stainless Steel 904L Hex Bar. Our hex bars are celebrated for their precision engineering, durability, and resistance to corrosion, making them perfect for demanding industrial settings. With a solid foothold in both domestic and international markets, Rupal Metals is dedicated to providing premium materials that meet global standards. Our focus on quality, timely delivery, and customer satisfaction has made us a go-to partner for stainless steel hex bar needs across various industries.
Stainless Steel 904L Hex Bar is a non-stabilized austenitic stainless steel with a low carbon footprint. It generally comprises 19-23% chromium, 23-28% nickel, 4-5% molybdenum, 1-2% copper, along with trace elements of carbon, manganese, and silicon. This alloy is known for its outstanding corrosion resistance, especially in acidic and chloride-heavy environments. In terms of mechanical properties, it boasts a tensile strength of about 490 MPa, a yield strength of around 220 MPa, and impressive elongation of up to 35%. Its toughness and high fatigue strength make it an excellent choice for pressure vessels and chemical processing equipment.
| 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.
The Stainless Steel 904L Hex Bar finds extensive use in industries that demand exceptional corrosion resistance and robust mechanical strength. It’s commonly utilized in chemical processing, marine engineering, pharmaceutical equipment, oil and gas refineries, and heat exchangers. Thanks to its ability to withstand strong reducing acids like sulfuric acid, it’s also a popular choice for pollution control equipment and pulp and paper processing. The hexagonal design facilitates easy machining and fabrication, making it perfect for precision components. Its durability and performance in harsh environments make it a favored material for industries that require reliability and a long service life.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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