Maduka Metals, based in Abuja, Nigeria, stands out as a top manufacturer and supplier of high-quality Carbon Steel EN-8 Bars. Renowned for their strength, durability, and reliability, these bars are crafted to meet both national and international standards, ensuring consistent quality for various industrial and engineering applications. Maduka Metals places a strong emphasis on precision, innovation, and customer satisfaction, offering products that serve a wide range of sectors, including construction, manufacturing, automotive, and machinery. With rigorous quality control measures and a solid supply chain, Maduka Metals guarantees that each Carbon Steel EN-8 Bar delivers exceptional performance, making it a trusted choice for heavy-duty applications throughout Nigeria and beyond.
Carbon Steel EN-8 Bars are primarily made from medium carbon steel, featuring a carbon content of around 0.36% to 0.44%, along with manganese to boost strength and hardness. These bars showcase impressive tensile strength, moderate ductility, and good wear resistance, making them perfect for mechanical and structural uses. They can be easily machined, welded, and heat-treated to achieve the desired mechanical properties. With a well-balanced mix of toughness and strength, Carbon Steel EN-8 Bars are ideal for components that face stress, impact, and heavy loads, ensuring long-term reliability and performance.
| Grades | EN 8, EN 19, EN 24, EN 31 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Carbon Steel EN Series Round Bars | 3.0 – 50.8 mm, Over 50.8 – 300mm |
| Carbon Steel EN Series Rectangular Bars | 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm |
| Carbon Steel EN Series Hex Bars | AF5.8mm–17mm |
| Carbon Steel EN Series Square Bars | AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm |
| Carbon Steel EN Series Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Grade | ||||||
| C% | Si% | Mn% | Cr% | Mo% | W% | |
| EN-1A | 0.007 TO 0.15 | 0.10 | 0.80 TO 1.00 | S | P | – |
| 0.20 TO 0.30 | 0.70 MAX | |||||
| EN-8 | 0.35 TO 0.45 | 0.05 TO 0.30 | 0.60 TO 1.00 | S | P | – |
| 0.06 MAX | 0.06 MAX | |||||
| EN-9 | 0.50 TO 0.60 | 0.05 TO 0.30 | 0.5 TO 0.80 | – | – | – |
| EN-19(V 320) | 0.35 TO 0.45 | 0.10 TO 0.30 | 0.5 TO 0.80 | 0.90 TO 1.40 | 0.20 TO 0.40 | |
| EN-24(V 130) | 0.35 TO 0.45 | 0.10 TO 0.35 | 0.45 TO 0.70 | 0.90 TO 1.40 | 0.20 TO 0.35 | NI |
| 1.3 TO 1.8 | ||||||
| EN-31 R-100 | 0.90 TO 1.20 | 0.10 TO 0.35 | 0.30 TO 0.75 | 1.00 TO 1.60 | – | – |
| EN-36C E-200 | 0.12 TO 0.18 | 0.10 TO 0.35 | 0.30 TO 0.60 | 0.60 TO 1.10 | – | NI |
| 3.0 TO 3.75 | ||||||
| EN-42 | 0.70 TO 0.85 | 0.10 TO 0.40 | 0.55 TO 0.75 | – | – | – |
| EN-44 | 0.90 TO 1.20 | 0.30 | 0.45 TO 0.70 | – | – | – |
| EN-45 F-110 | 50 TO 0.60 | 1.5 TO 2.0 | 0.70 TO 1.00 | – | – | – |
| EN-351 | 0.10 TO 0.20 | 0.35 | 0.60 TO 1.00 | 0.40 to 0.80 | 0.08 to 0.10 | NI |
| 0.60 TO 1.00 | ||||||
| EN-353 | 0.10 TO 0.20 | 0.35 | 0.50 TO 1.00 | 0.75 TO 1.25 | 0.08 to o.15 | NI |
| 1.00 TO 1.50 |
| Annealed | R | S | T | U | V | W | Y | |
|---|---|---|---|---|---|---|---|---|
| Ruling Section (mm) | 150 | 150 | 100 | 65 | 65 | 30 | 30 | 25 |
| Tensile Strength (MPa) | 680/720 | 690/850 | 770/930 | 850/1000 | 930/1080 | 1000/1160 | 1080/1240 | 1280 |
| Yield Stress (MPa) | 440/480 | 480 | 570 | 665 | 740 | 835 | 895 | 1050 |
| Elongation (% Min) | 22 | 15 | 15 | 13 | 12 | 12 | 10 | 10 |
| ISO V Impact (Joule) | 30 | 30 | 30 | 30 | 25 | 25 | 22 | 7 |
| Hardness (Brinell) | 190/210 | 201/255 | 223/277 | 248/302 | 269/321 | 293/341 | 311/375 | 363/415 |
| Proof Stress (0.2%) if required (MPa, Min) | 495 | 550 | 630 | 710 | 770 | 850 | 985 |
| Standard | CS EN-19 |
| UNS | – |
| WERKSTOFF NR. | 42Cr4Mo2 |
| BS | 709M40 |
| IS | 40Cr4Mo3 |
| JIS | – |
| EN | EN19 |
| SAE/AISI | 4140,4142 |
They offer high tensile strength, wear resistance, and excellent machinability, making them suitable for demanding applications.
They are widely used in automotive, engineering, and heavy machinery industries for components like gears, shafts, and bolts.
Yes, we provide EN-8 Bars and Rods in various sizes and specifications to meet specific project requirements.
The applications of Carbon Steel EN-8 Bars are vast and varied across multiple industries. In manufacturing and engineering, they are commonly used for shafts, bolts, studs, pins, and machinery components that require high strength. In construction, they act as reinforcements, structural supports, and tools. The automotive industry relies on them for gears, axles, and engine parts due to their durability and wear resistance. Additionally, they find use in heavy equipment, agricultural machinery, and fabrication projects. Their versatility, strength, and toughness make Carbon Steel EN-8 Bars an excellent choice for applications that demand reliability and structural integrity.






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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