Yousef Steel is a well-respected manufacturer and supplier located in Riyadh, Saudi Arabia, specializing in top-notch Carbon Steel EN-45 Bars. These bars are celebrated for their remarkable strength, hardness, and toughness, making them perfect for engineering and industrial uses where durability and reliability are key. Crafted to meet international standards, Carbon Steel EN-45 Bars deliver consistent performance, precise dimensions, and impressive resistance to wear and fatigue. With a focus on precision engineering and stringent quality control, Yousef Steel guarantees that these bars can handle the demands of the automotive, machinery, and manufacturing sectors, providing long-lasting and trustworthy steel solutions.
The composition of Carbon Steel EN-45 Bars mainly includes iron and carbon, along with carefully controlled amounts of manganese, phosphorus, and sulfur to boost their mechanical properties. They showcase high tensile and yield strength, solid hardness, and moderate toughness. These bars can also be heat-treated to enhance their hardness and wear resistance, making them suitable for parts that face heavy loads and stress. Their uniform grain structure and excellent machinability allow them to adapt to various industrial applications while ensuring reliable performance even in tough conditions.
| Grade | EN45 |
|---|---|
| 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.
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 |
Carbon Steel EN-45 Bars find extensive use in creating shafts, gears, axles, studs, bolts, and other engineering components that demand high strength and moderate hardness. They are particularly well-suited for the automotive, machinery, tool-making, and construction industries. These bars consistently perform well under stress, wear, and repeated loads, making them essential for components that must withstand rigorous operating environments. With a blend of durability, strength, and precision, Carbon Steel EN-45 Bars ensure long-term efficiency and reliability in industrial applications.
Yousef 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 Riyadh, Saudi Arabia.
Copyright 2025 Yousef Steel. All rights reserved
