Samuel Steels, located in Abuja, Nigeria, has made a name for itself as a top-notch manufacturer and supplier of high-quality Carbon Steel EN-351 Bars. These bars are celebrated for their exceptional strength, hardness, and durability. Designed to excel in demanding applications that require high wear resistance and toughness, Samuel Steels uses cutting-edge production techniques and rigorous quality control to guarantee consistent mechanical properties and precise dimensions. Industries like automotive, engineering, and construction rely on Carbon Steel EN-351 Bars for their ability to handle heavy loads, endure impacts, and perform well in extreme conditions, all while offering excellent machinability.
The composition of Carbon Steel EN-351 Bars primarily includes iron and carbon, along with carefully controlled amounts of chromium, manganese, nickel, silicon, and molybdenum. This specific alloy mix boosts hardenability, strength, and toughness. These bars typically showcase a tensile strength ranging from 850 to 1000 MPa and a yield strength of about 600 MPa. After heat treatment, they also display remarkable wear resistance, good ductility, and consistent hardness throughout their cross-section. Their well-rounded mechanical properties make them perfect for precision machining and heavy-duty tasks.
| Grade | EN351 |
|---|---|
| Specification | BS970 1.0904 55Si7 55S6 55Si2Mn ASTM 9255 |
| Round bar size | Diameter: 3-~800mm |
| Hex Bar size | 2-100mm A/F |
| Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Square bar size | 4 to 100mm |
| 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 |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Finish | Cold (bright) drawn, centreless ground,smooth turned, peeled, slit rolled edge, hot rolled, 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 | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Condition | Hardened & tempered, annealed |
| Technique | EN45 Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Processing | Bar cutting to 650mm |
| Form | EN45 Welding Rod, Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Element | En42J |
| C | 0.75 – 0.90% |
| Mn | 0.50 – 0.90% |
| Si | 0/1 – 0.35 |
| S | 0.04% Max |
| P | 0.04% Max |
|
ULTIMATE TENSILE STRENGTH, S. (MPA) |
621 |
|---|---|
|
Modulus of elasticity, E (Gpa) |
204 |
|
Fatigue strength coefficient, of (Mpa) |
948 |
|
Fatigue strength exponent, b |
-0.092 |
|
Fatigue ductility coeffient ,ef |
0.26 |
|
Fatigue ductility exponent,c |
-0.445 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
In the automotive sector, Carbon Steel EN-351 Bars are commonly found in components like shafts, gears, axles, and crankshafts, thanks to their impressive surface hardness and impact resistance. The engineering field utilizes them for crafting tools, dies, and parts for heavy machinery. In construction, they are essential for structural applications where strength and durability are paramount. Additionally, they find their place in mining, oilfield equipment, and industrial machinery that face stress and abrasion. Their blend of toughness, wear resistance, and cost-effectiveness makes them a go-to choice for critical mechanical applications.
Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
Cold Drawn and Polish | 3.00 – 75.00 | 1/8″ – 3.00″ | h8-h9-h10-h11 |
Cold Drawn and Ground | 10.00 – 75.00 | 5/6″ – 2.50″ | h8-h9-h10-h11 |
Peeled and Polished | 40.00 – 150.00 | 1.50″ – 6.00″ | h11, h11-DIN 1013 |
Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00″ | h9-h10-h11 |
Cut to size on request (tolerance +2/-0 mm). Standard lengths of EN45 Bars 2000 mm up to 6000 mm available
5.0 | 45.0 |
6.0 | 50.0 |
7.0 | 55.0 |
8.0 | 60.0 |
9.0 | 65.0 |
10.0 | 70.0 |
12.0 | 75.0 |
16.0 | 80.0 |
20.0 | 90.0 |
25.0 | 100.0 |
30.0 | 130.0 |
35.0 | 160.0 |
40.0 | 200.0 |
The application of Carbon Steel EN-351 Bars extends to sectors that require extreme strength, durability, and resistance to wear. They serve as the raw materials in the production of gears, shafts, axles, and crankshafts for automotive and machinery sectors. In construction and engineering, they are transformed into the staff of heavy-load machines and the tools for the job. Besides, mining, power generation, and material handling equipment are among the areas where these bars have found usage. Their great machinability, resistance to fatigue, and ability to endure heavy blows without breaking endorse Carbon Steel EN-351 Bars as safe options for the most challenging industrial applications.
Samuel 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 Abuja, Nigeria.
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