Mourad Metals, located in Tunis, Tunisia, has established itself as a top-notch manufacturer and supplier of premium stainless steel products, with a particular focus on Stainless Steel 431 Flat Bars. Known for its dedication to precision, durability, and customer satisfaction, Mourad Metals guarantees that every flat bar adheres to strict international standards. The company serves a wide range of industrial needs, offering dependable solutions for challenging applications. With state-of-the-art production facilities and rigorous quality control measures, Mourad Metals is a reliable partner for clients in search of corrosion-resistant, high-strength stainless steel flat bars that consistently perform well in critical engineering, manufacturing, and structural projects.
Stainless Steel 431 Flat Bars are primarily made up of iron, chromium (15–17%), and nickel (1–2%), along with trace amounts of molybdenum and carbon to boost hardness and strength. This type of martensitic stainless steel boasts impressive mechanical properties, such as high tensile strength, good toughness, and moderate resistance to corrosion. It can be heat-treated to achieve exceptional hardness while still retaining sufficient ductility, making it perfect for both structural and wear-resistant applications. The steel also shows good fatigue resistance and dimensional stability, and it can be machined, welded, and polished to a smooth finish for demanding industrial uses.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| ement | C | Cr | Mn | Ni | P | S | Si |
| SS 431 | 0.20 | 17.00-15.00 | 1.00 | 2.50-1.25 | 0.040- | 0.030 | 1.00 |
| Element | Density | Electrical Resistivity | Modulus of Elasticity |
| SS 431 | 0.2800 lb/inch³ | 70° Ohms (circ mil./ft.) | 29.0 X 10^3 |
| Flat Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Yes, Stainless Steel 431 Flat Bar offers good corrosion resistance, particularly in mild to moderate environments, due to its high chromium content. Its martensitic structure enhances strength while maintaining resistance to atmospheric conditions, organic materials, and mild acids, making it suitable for marine and industrial applications. Proper maintenance ensures longevity.
The typical thickness of Stainless Steel 431 Flat Bar ranges from 3mm to 100mm, depending on the manufacturer and application. Custom sizes are often available to meet specific requirements in industries such as marine, aerospace, and engineering.
Stainless Steel 431 Flat Bar is widely used in industries such as aerospace, marine, automotive, and chemical processing. Its high strength, toughness, and corrosion resistance make it ideal for manufacturing shafts, bolts, valves, fasteners, and other critical components.
These Stainless Steel 431 Flat Bars find their way into various applications that require a blend of strength, toughness, and corrosion resistance. They are particularly well-suited for creating shafts, fasteners, gears, and structural components in industries like automotive, aerospace, and petrochemicals. Moreover, these flat bars are essential in high-performance machinery, pressure vessels, and marine equipment that face moderate corrosive environments. Their outstanding mechanical properties and heat-treatability make them ideal for tools, blades, and high-strength structural assemblies. Industries looking for durable, reliable, and low-maintenance materials will find these flat bars to be an excellent choice.






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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