Marzouk Steel, located in Tunis, Tunisia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel hollow bars. These bars are celebrated for their exceptional strength, precision, and durability, making them perfect for the rigorous demands of industrial, construction, and engineering projects. By employing cutting-edge forging, rolling, and heat treatment techniques, along with strict quality control measures, Marzouk Steel guarantees that each hollow bar offers consistent mechanical performance, precise dimensions, and a long lifespan. Catering to sectors like automotive, heavy machinery, oil and gas, and fabrication, the company delivers Alloy Steel hollow bars that blend toughness, wear resistance, and dependable structural integrity.
These Alloy Steel hollow bars are crafted from high-quality alloy steel, which includes elements like carbon, chromium, molybdenum, and nickel. They boast impressive mechanical properties, such as tensile strength between 600–900 MPa, yield strength of 400–650 MPa, and elongation rates of 12–18%. After undergoing heat treatment and precise forging, these bars maintain uniform hardness, fatigue resistance, and dimensional stability, ensuring they perform reliably under high stress, pressure, and mechanical loads.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range | 5mm to 500mm Dia in 100mm to 6000mm Length |
| Diameter | 10 mm To 200 mm |
| Thickenss | 0.5mm to 500mm Diameter |
| High Speed Steel (HSS), HCHCR & OHNS in Grade | M2, M3, M35, M42, T-1, T-4, T-15, T-42, D2, D3, H11, H13, OHNS-01 & EN52 |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| F9 | 415 | 30 | 205 |
| F5 | 275 | 485 | 20 |
| Element | C | Cr | Mn | Mo | P | S | Si | Ni |
| F5 | 0.15 Max | 4.0-6.0 | 0.30-0.60 | 0.44-0.65 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F1 | 0.15 Max | 3.0-5.0 | 0.30-0.60 | 0.40-0.50 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F22 | 0.05-0.15 | 2.00-2.50 | 0.30-0.60 | 0.90-1.10 | 0.035 Max | 0.040 Max | 0.50 Max | – |
| F91 | 0.08-0.12 | 8.0-9.5 | 0.30-0.60 | 0.85-1.05 | 0.020 Max | 0.010 Max | 0.20-0.50 | 0.40 Max |
| F9 | 0.15 Max | 8.0-10.0 | 0.30-0.60 | 0.90- 1.10 | 0.030 Max | 0.030 Max | 0.50- 1.00 | – |
| F11 | 0.10-0.20 | 1.00-1.50 | 0.40-0.65 | 0.44-0.65 | 0.025 Max | 0.040 Max | 0.50-0.80 | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marzouk Steel is a top manufacturer and supplier of high-quality Alloy Steel Hollow Bar products in Tunis, Tunisia. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
Alloy Steel hollow bars find extensive use in automotive shafts, machinery components, hydraulic cylinders, structural supports, and high-performance fabrication tasks. They are particularly suited for applications that demand a strong yet lightweight material with excellent torsional and bending resistance. Thanks to their outstanding durability, mechanical consistency, and wear resistance, these hollow bars help minimize maintenance needs and enhance operational efficiency. Engineers and manufacturers trust Alloy Steel hollow bars for creating robust, long-lasting, and high-performance components essential for critical industrial and mechanical applications.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
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