Marzouk Steel, based in Tunis, Tunisia, stands out as a top manufacturer and supplier of high-quality Alloy Steel AISI 8630 bars. These bars are celebrated for their remarkable strength, toughness, and precision, making them perfect for the demanding needs of heavy engineering, automotive, and industrial applications. With cutting-edge manufacturing techniques and strict quality control measures, Marzouk Steel guarantees that every AISI 8630 bar offers consistent performance, reliability, and a long lifespan. Catering to the construction, machinery, and oil and gas sectors, Marzouk Steel has earned a reputation as a trusted partner, delivering bars that boast excellent mechanical properties, wear resistance, and structural integrity for tough operational environments.
Alloy Steel AISI 8630 bars are crafted from a blend of carbon, chromium, nickel, and molybdenum, designed for high strength, toughness, and wear resistance. These bars showcase impressive mechanical properties, featuring a tensile strength of around 850–1000 MPa, yield strength of 600–750 MPa, and an elongation of 12–15%. After undergoing heat treatment to boost hardness, dimensional stability, and fatigue resistance, AISI 8630 bars remain reliable even under heavy loads and challenging industrial conditions. Their unique combination of strength, ductility, and toughness makes them ideal for high-performance applications in demanding engineering settings.
Diameter :Â 100mm-1200mm
Length :Â 500mm – 5800mm
Finish :Â Bright, Polish & Black
Condition :Â Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form :Â Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| AISI 8630 | 0.18 – 0.23 | 0.7 – 0.9 | 0.15 – 0.35 | 0.04 | – | – | 0.4 – 0.7 |
| Element | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| AISI 8630 | 980 | 785 | 11 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS |
| AISI 8630 | 1.6545 | G86300 |
Alloy Steel AISI 8630 bars find extensive use in the automotive, construction, heavy machinery, and oil and gas industries. They are perfect for crafting gears, shafts, crankshafts, connecting rods, and other high-strength components. With their superior durability, mechanical performance, and resistance to wear and fatigue, these bars minimize maintenance needs and ensure a long service life. Engineers and industrial operators favor Alloy Steel AISI 8630 bars for applications that demand precision, reliability, and high performance under significant loads, making them vital for modern industrial, automotive, and heavy engineering solutions.
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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