Starc Metals has made a name for itself as a reliable manufacturer and supplier of Carbon Steel EN-45 Bars right in Canberra, Australia. They’re known for delivering top-notch products that cater to a wide range of engineering and industrial needs. The company prides itself on precision manufacturing, consistent quality control, and dependable performance, ensuring that every EN-45 bar is built to withstand tough conditions while providing strength and durability. With a variety of sizes, finishes, and specifications available, Starc Metals serves industries like automotive, machinery, and fabrication. Their dedication to customer satisfaction, competitive pricing, and prompt delivery has solidified their reputation as a go-to source for high-quality carbon steel solutions.
When it comes to Carbon Steel EN-45 Bars, they feature a medium-to-high carbon content, along with added manganese and silicon, which boosts their tensile strength and resilience. These bars are celebrated for their impressive toughness, high fatigue strength, and good hardenability, especially after undergoing heat treatments like quenching and tempering. EN-45 bars are designed to resist wear and impact, making them ideal for components that face dynamic loads. Their mechanical properties typically showcase enhanced elasticity and durability, allowing them to maintain structural integrity even under varying stress conditions. This balanced composition makes EN-45 perfect for applications that demand both strength and flexibility.
| 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. |
| Our EN45 round bar conforms to NACE MR0175/ISO 15156 | |
| 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 |
|
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 |
EN-45 Bars and Rods are primarily used in automotive components like springs, shafts, and crankshafts, as well as in engineering tools and machinery parts requiring high strength and wear resistance.
EN-45 Bars and Rods offer excellent tensile strength (700-900 MPa), yield strength (450-600 MPa), and toughness, making them ideal for high-stress applications.
Yes, we offer customized Carbon Steel EN-45 Bars and Rods in various sizes and specifications to meet specific application needs.
In various industries that require high-strength and impact-resistant components, Carbon Steel EN-45 Bars are a popular choice. They’re frequently used in the production of springs, including leaf springs, coil springs, and suspension components, thanks to their excellent elasticity and fatigue resistance. In the automotive world, EN-45 is a preferred material for parts that endure continuous loads and vibrations. It also finds its way into industrial tools, hand tools, blades, and components for agricultural machinery. Moreover, EN-45 Bars are utilized in mining equipment, railway parts, and mechanical systems that need to perform reliably under fluctuating forces. Their strength and durability make them a trusted option across various applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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