Mourad Metals, located in Tunis, Tunisia, stands out as a top manufacturer and supplier of high-quality stainless steel products, including the exceptional Stainless Steel 904L Flat Bar. Known for its remarkable corrosion resistance and outstanding durability, Mourad Metals takes pride in delivering precision-engineered flat bars that adhere to international standards. The company caters to a wide range of industrial needs, skillfully blending advanced manufacturing techniques with rigorous quality control to ensure consistent and reliable products. With a strong commitment to excellence and customer satisfaction, Mourad Metals has earned its reputation as a trusted partner for industries seeking high-performance stainless steel solutions, both locally and globally.
The Stainless Steel 904L Flat Bar is a high-alloy austenitic stainless steel that contains around 20–23% chromium, 25–28% nickel, 4–5% molybdenum, and trace amounts of copper. This unique composition significantly boosts its resistance to strong acids, pitting, and crevice corrosion. The material showcases impressive mechanical properties, including high tensile strength, exceptional toughness, and good ductility, even in low temperatures. It’s easy to form, weld, and machine, making it a versatile choice for demanding applications. The flat bar promises long-lasting durability and maintains its structural integrity in harsh environments, especially in chemical and marine settings.
| Standard | ASTM B649, ASME SB649 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | Ni | Mo | Cr | Cu | C | Mn | Si | P | S |
| 904L | 23 – 28 | 4 – 5 | 19 – 23 | 1 – 2 | 0.02 max | 2.0 max | 1.0 max | 0.045 max | 0.035 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.05 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | JIS | BS | KS | EN |
| 904L | 1.4539 | N08904 | Z2NCUD31-20AZ | SUS 890L | 904S13 | STS 317J5L | X1NiCrMoCu25-20-5 |
Stainless Steel 904L Flat Bar is widely used in chemical processing, oil and gas, marine, pharmaceutical, and pulp and paper industries due to its exceptional corrosion resistance, particularly in acidic, chloride-rich, and high-stress environments.
Stainless Steel 904L offers superior corrosion resistance compared to standard austenitic stainless steels, excelling in harsh environments with strong acids (sulfuric, phosphoric) and chloride exposure, due to its high nickel, chromium, and molybdenum content, reducing pitting and stress corrosion.
Yes, Stainless Steel 904L Flat Bar is highly suitable for marine environments due to its excellent resistance to chloride-induced pitting, crevice corrosion, and stress corrosion cracking, making it ideal for shipbuilding, seawater equipment, and coastal structural applications.
Stainless Steel 904L Flat Bars are commonly utilized in chemical processing equipment, seawater and marine applications, and pharmaceutical manufacturing, where corrosion resistance is essential. They’re perfect for heat exchangers, valves, pumps, and storage tanks that face aggressive conditions. Additionally, these bars are used in architectural projects, the oil and gas industry, and desalination plants due to their high strength and appealing finish. Industries that require both performance and longevity depend on 904L flat bars for structural components, piping systems, and precision machinery, ensuring minimal maintenance while maximizing efficiency.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Mourad Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Tunis, Tunisia
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