Maduka Metals, located in Abuja, Nigeria, stands out as a leading manufacturer and supplier of top-notch metal products, particularly the Alloy Steel Hex Bar. Known for its precision engineering and outstanding performance, Maduka Metals guarantees that each hex bar adheres to strict industry standards. The company caters to various sectors, including construction, automotive, and machinery manufacturing, offering reliable, durable, and versatile steel solutions. With a commitment to excellence, timely delivery, and customer satisfaction, Maduka Metals has earned a reputation as a trusted partner for clients in need of high-quality Alloy Steel Hex Bars for both industrial and commercial uses throughout Nigeria.
The Alloy Steel Hex Bars produced by Maduka Metals are made from a carefully crafted mix of carbon, chromium, nickel, and molybdenum, which enhances their strength, toughness, and resistance to corrosion. These bars boast impressive tensile and yield strength, remarkable hardness, and improved fatigue resistance, making them perfect for challenging environments. The precise chemical makeup ensures consistency and stability, while heat treatment further enhances their mechanical performance. With their resistance to wear and deformation, Maduka Metals’ Alloy Steel Hex Bars offer dependable structural integrity, making them ideal for applications that require both durability and high mechanical efficiency.
| 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. |
| 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 | – |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| F9 | 415 | 30 | 205 |
| F5 | 275 | 485 | 20 |
| Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) |
| 7 x 7 | 0.337 | 19 x 19 | 2.479 | 38 x 38 | 9.916 |
| 8 x 8 | 0.44 | 20 x 20 | 2.747 | 40 x 40 | 10.988 |
| 9 x 9 | 0.556 | 21 x 21 | 3.029 | 42 x 42 | 12.114 |
| 10 x 10 | 0.687 | 22 x 22 | 3.324 | 45 x 45 | 13.906 |
| 11 x 11 | 0.831 | 24 x 24 | 3.956 | 48 x 48 | 15.822 |
| 12 x 12 | 0.989 | 25 x 25 | 4.292 | 50 x 50 | 17.168 |
| 13 x 13 | 1.161 | 26 x 26 | 4.642 | 53 x 53 | 19.29 |
| 14 x 14 | 1.346 | 28 x 28 | 5.384 | 55 x 55 | 20.774 |
| 15 x 15 | 1.545 | 30 x 30 | 6.181 | 60 x 60 | 24.723 |
| 16 x 16 | 1.758 | 32 x 32 | 7.032 | 65 x 65 | 29.015 |
| 17 x 17 | 1.985 | 34 x 34 | 7.939 | 70 x 70 | 33.65 |
| 18 x 18 | 2.225 | 36 x 36 | 8.9 | 75 x 75 | 38.629 |
Alloy steel hex bars are manufactured by hot rolling or forging alloy steel billets, followed by precision machining, annealing, and surface finishing to achieve the desired size, strength, and quality.
The best finishes for corrosion resistance in alloy steel hex bars and rods include zinc plating, chrome plating, electropolishing, and black oxide coating, as well as applying epoxy or powder coatings for additional protection.
Alloy steel hex bars and rods are durable due to their high-strength alloy composition, including elements like chromium, molybdenum, and nickel, enhancing hardness, corrosion resistance, and resistance to wear and fatigue.
The Alloy Steel Hex Bars from Maduka Metals are versatile components that find applications across a wide range of industries. They play a crucial role in manufacturing gears, shafts, fasteners, and machinery parts due to their strength and durability. In construction, they provide essential structural support for frameworks and heavy-duty equipment. The automotive and engineering sectors depend on these bars for critical components that require precision and resilience. Additionally, they are utilized in tool-making, industrial machinery, and high-stress mechanical systems. With their exceptional wear resistance and mechanical stability, Maduka Metals’ Alloy Steel Hex Bars are a reliable choice for demanding applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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