Mourad Metals is a reliable manufacturer and supplier located in Tunis, Tunisia, specializing in high-quality Stainless Steel 431 Hollow Bars designed to meet the rigorous demands of various industries. Renowned for their precision in manufacturing, consistent quality, and commitment to international standards, Mourad Metals caters to a wide range of sectors, including engineering, construction, and heavy machinery. The company is dedicated to providing hollow bars that boast excellent dimensional accuracy, a superior surface finish, and dependable performance. With a strong technical background, state-of-the-art processing facilities, and a focus on customer satisfaction, Mourad Metals guarantees timely deliveries and tailored solutions, making them a trusted partner for stainless steel products in both regional and global markets.
Stainless Steel 431 Hollow Bar is a martensitic stainless steel that includes chromium and nickel, typically featuring around 15–17% chromium and 1.25–2.5% nickel, along with a controlled carbon content. This specific blend offers impressive strength, good resistance to corrosion, and excellent hardenability when heat-treated. The material showcases high tensile strength, decent toughness, and resistance to wear and fatigue. Its mechanical properties can be further improved through quenching and tempering, making it ideal for applications that require both strength and moderate corrosion resistance.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | 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 |
| Hollow 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 |
SS 431 Hollow Bar is commonly used in industries such as aerospace, automotive, marine, and chemical processing. It is utilized for manufacturing components like shafts, valves, pumps, and fittings, where high strength, corrosion resistance, and durability are essential.
Common sizes for SS 431 Hollow Bar typically range from 25 mm to 500 mm in outer diameter, with wall thicknesses varying from 3 mm to 50 mm. Custom sizes may also be available depending on specific requirements or suppliers.
Stainless Steel 431 Hollow Bars find extensive use in situations where high strength, toughness, and corrosion resistance are crucial. They are often utilized in the production of shafts, sleeves, bushings, fasteners, and mechanical components that endure high stress and dynamic loads. Additionally, these hollow bars are employed in aerospace components, pump and valve parts, marine equipment, and power generation systems. Their ability to resist wear, fatigue, and moderately corrosive environments makes them perfect for precision-engineered parts across various industries, including automotive and heavy engineering.
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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