Maduka Metals, based in Abuja, Nigeria, stands out as a top manufacturer and supplier of premium Carbon Steel EN-44 Bars. Known for their impressive strength, durability, and precision, these bars are crafted to meet both local and international standards, ensuring they perform reliably in various 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 rigorous quality control and a dependable supply chain, each Carbon Steel EN-44 Bar delivers consistent mechanical properties, making them a go-to choice for projects that demand toughness, wear resistance, and long-lasting durability.
Carbon Steel EN-44 Bars are medium carbon steel products containing about 0.44% to 0.50% carbon, along with manganese to boost strength and hardness. They boast excellent tensile strength, good wear resistance, and moderate ductility, making them perfect for high-stress and impact-heavy applications. These bars can be machined, welded, and heat-treated to achieve the desired mechanical characteristics. With their blend of toughness, hardness, and strength, Carbon Steel EN-44 Bars are ideal for components that face heavy loads, repeated stress, and challenging operational conditions.
| Specifications | ASTM B446 / ASTM SB446 |
| size | 2-100mm A/F |
|---|---|
| Square bar size | 4 to 100mm |
| Flat bar size | Thickness: 2 -100mm Width: 10 to 500mm |
| Round bar size | Diameter: 3-~800mm |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Section | 3.0 to 12.0mm thickness |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Billet Size | 1/2″ to 495mm Diameter |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline, Polished |
| Condition | Hardened & tempered, annealed |
| Technique | Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod |
| Processing | Bar cutting to 650mm |
| Form | Round, Welding Rod, T-Bar, Rod, Precision Ground Bar, Channel Bar, Square, Flat Bar, Blocks, Round Rod, Hollow, Rings, Rectangle, Hex (A/F), Triangle, Threaded, Profiles, Billet, Ingot, I/H Bar, Half Round Bar, 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 |
| Grade | HEAT TREATMENT | CORRESPONDING SPECIFICATION | |||||
| Hardening Temperature | Quenching Medium | Tempering Temperature | Brinell Rock well hardness | JAPAN JIS | AISI | POLDI THREAD | |
| EN-1A | – | – | – | – | – | – | – |
| EN-8 | 750-900 | OIL | 150-200 | ||||
| EN-9 | 850-900 | OIL | 200-250 | 55-60 | |||
| EN-19 (V 320) | 900-950 | OIL | 200-225 | 45-55 | SCM 4 | 4140 | |
| EN-24 (V 130) | 830-860 | OIL | 540-680 | 45-55 | SNCM 8 | 4340 | |
| EN-31 R-100 | 820-860 | OIL | 180-225 | 59-65 | |||
| EN-36C E-200 | 780-860 | OIL | 170-210 | 61-63 | SNC 22 | 3415 | |
| EN-42 | 600-700 | DIRECT HARDENING | 40-45 | ||||
| EN-44 | 650-750 | OIL | 150 | 45-50 | |||
| EN-45 | 830-860 | OIL | 470-520 | 50-55 | 9255 | ||
| EN-351 | 850-860 | OIL | 175-200 | 62-64 | |||
| EN-353 | 840-870 | OIL | 150-200 | 62-64 | |||
| Standard | CS EN-9 |
| UNS | – |
| WERKSTOFF NR. | CK55 |
| BS | 070M55 |
| IS | C55 |
| JIS | – |
| EN | EN9 |
| SAE/AISI | 1055 |
Yes, Carbon Steel EN-44 Bars can be heat-treated to improve mechanical properties such as strength and hardness. Common treatments include annealing, quenching, and tempering, depending on application requirements.
Carbon Steel EN-44 Bars are used in manufacturing automotive components, tools, and industrial equipment due to their excellent toughness, wear resistance, and high tensile strength, making them suitable for heavy-duty applications.
Carbon Steel EN-44 Bar offers high tensile strength (~700-850 MPa), excellent toughness, good wear resistance, moderate ductility, and hardness (~230-290 HB), making it suitable for heavy-duty applications.
You’ll find Carbon Steel EN-44 Bars being used in a variety of industries. In manufacturing and engineering, they’re utilized for shafts, studs, bolts, pins, and machine parts that require high strength and durability. The construction and heavy machinery sectors rely on them for structural supports and reinforcement components. In the automotive industry, EN-44 bars are essential for gears, crankshafts, and engine parts due to their wear resistance and toughness. They also find applications in fabrication, mechanical assemblies, and agricultural equipment. Their versatility, strength, and durability make Carbon Steel EN-44 Bars a top choice for demanding industrial and structural needs.
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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