Maduka Metals, based in Abuja, Nigeria, stands out as a top manufacturer and supplier of high-quality Carbon Steel EN-42 Bars. These bars are celebrated for their strength, durability, and precision, crafted to meet both national and international standards, which guarantees reliable performance across a variety of industrial and engineering applications. At Maduka Metals, the focus is on quality, innovation, and keeping customers happy, providing products that cater to the construction, manufacturing, automotive, and heavy engineering sectors. With a strong emphasis on quality control and a solid supply chain, every Carbon Steel EN-42 Bar is delivered with consistent mechanical properties, making them a go-to choice for applications that demand toughness, reliability, and long-lasting durability.
Carbon Steel EN-42 Bars are medium carbon steel products, containing about 0.38% to 0.43% carbon, along with added manganese to boost strength and hardness. These bars showcase impressive tensile strength, moderate ductility, and good wear resistance. They’re perfect for machining, welding, and heat treatment, allowing for tailored mechanical properties. With a great balance of toughness and hardness, Carbon Steel EN-42 Bars are well-suited for components that face high stress, impact, and dynamic loads, ensuring dependable performance in challenging industrial and structural applications.
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bars | 3.0 – 50.8 mm, Over 50.8 – 300mm |
| Rectangular Bars | 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm |
| Hex Bars | AF5.8mm–17mm |
| Square Bars | AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm |
| Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm, |
| Finish | Bright, Polish & Black |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | Chemical composition %: | |||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | |
| En42 | 0.17-0.24 | 0.17-0.37 | 0.7-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation in 100-150 mm(%) | Reduction in Area | Hardness |
| En42 | ≥380 | ≥210 | ≥25 | ≥50 | ≤111HB |
| Sizes Chart in Milimeter | Sizes in Inch | Thickness Chart In MM | Thickness Chart In Inches |
|---|---|---|---|
| 22 | 7/8 | 17 & 18 | 2/3 – 5/7 |
| 25 | 1 | 5 to 20 | 3/16 – 4/5 |
| 30 | 1-3/16 | 5 to 20 | 3/16 – 4/5 |
| 32 | 1-1/4 | 6 to 20 | 1/4 – 4/5 |
| 35 | 1-3/8 | 5 to 20 | 3/16 – 3/16 |
| 40 | 1-4/7 | 5 to 25 | 3/16 – 1 |
| 45 | 1-7/9 | 5 to 25 | 3/16 – 1 |
| 47 | 1-6/7 | 17,25 & 32 | 2/3, 1 & 1-1/4 |
| 50 | 2 | 5 to 32 | 3/16 – 1-1/4 |
| 55 | 2-1/16 | 5 to 25 | 3/16 – 1 |
| 57 | 2-1/4 | 32 | 1-1/4 |
| 60 | 2-3/8 | 5 to 35 | 3/16 – 1-3/8 |
| 63 | 2-1/2 | 10 to 30 | 3/8 – 1-3/16 |
| 65 | 2-5/9 | 10 to 30 & 35 | 3/8 – 1-3/16, & 1-3/8 |
| 70 | 2-3/4 | 6 to 25 & 40 | 1/4 – 1, & 1-4/7 |
| 75 | 3 | 8 to 25 | 5/16 – 1 |
| 80 | 3-1/8 | 8 to 20 | 5/16 – 4/5 |
| 90 | 3-1/2 | 8 to 20 | 5/16- 4/5 |
| 100 | 4 | 8, 10, 12 | 5/16, 3/8, 1/2 |
EN-42 Bars and Rods are commonly used in the automotive, engineering, and manufacturing industries for components like shafts, gears, and structural parts.
EN-42 Bars and Rods offer a tensile strength of 600-800 MPa and a yield strength of 350-450 MPa, providing high strength and durability.
Yes, we offer customized sizes and specifications to meet the specific needs of different industrial applications.
You’ll find Carbon Steel EN-42 Bars widely used across various industries. In manufacturing and engineering, they’re utilized for shafts, axles, pins, studs, and fasteners that require high strength and wear resistance. The construction and heavy machinery sectors rely on them for structural supports, reinforcements, and machine parts. The automotive industry counts on them for gears, crankshafts, and engine components. Plus, they’re also used in fabrication, agricultural machinery, and mechanical assemblies. Their versatility, durability, and ease of machining make Carbon Steel EN-42 Bars an excellent choice for applications that demand strength, toughness, and long-lasting performance.






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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