Desta Steel, a reputable manufacturer and supplier located in Addis Ababa, Ethiopia, proudly offers top-notch Carbon Steel EN-31 Bars tailored to meet a variety of industrial demands. These bars are well-known for their outstanding hardness, strength, and wear resistance, making them perfect for heavy-duty applications. Desta Steel guarantees exceptional quality through cutting-edge production methods and rigorous quality control measures. With a strong focus on customer satisfaction and prompt delivery, the company provides EN-31 Bars that consistently perform well in challenging environments, making them a go-to choice in the engineering, automotive, and manufacturing sectors both in Ethiopia and beyond.
Carbon Steel EN-31 Bars are high-carbon alloy steels that contain about 1.0% carbon, 0.6%–1.0% chromium, along with trace amounts of manganese, silicon, and sulfur. These bars showcase impressive tensile strength (around 700–1000 MPa) and remarkable hardness when heat-treated. They deliver excellent wear resistance and fatigue strength, making them ideal for components that face friction and stress. EN-31 Bars also boast good dimensional stability and toughness, ensuring a long service life in heavy mechanical operations and precision-engineered parts.
| Grade | En31 |
|---|---|
| Specification | 100Cr6, AISI SAE E52100, 100Cr6, 2258, 100C6 |
| 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 | en31 Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Processing | Bar cutting to 650mm |
| Form | en31 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 stockyad location for fast delivery across India | Surendranagar, Rajkot, Ranjangaon, Indore, Ahmedabad, Bhosari, Surat, Baroda, Chennai, Chakan, Hyderabad, Ahmednagar, Ajmer, Kolhapur, Thane, Belgaum, Kadi, Aurangabad, Pune, Hubli Mumbai, Nagpur, Jaipur, Nashik, Navi Mumbai |
| Carbon | 0.95 / 1.10 |
| Manganese | 0.40 / 0.70 |
| Silicon | 0.10 / 0.35 |
| Sulfur | Max 0.050 |
| Phosphorus | Max 0.040 |
| Chromium | 1.20 – 1.60 |
| Thermal Conductivity at °C | 20 | 350 | 700 |
| W/(m*K) | 44.5 | 45.0 | 46.0 |
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 en31 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-31 Bars find extensive use in manufacturing bearings, spindles, gears, shafts, and high-duty cutting tools. Their exceptional hardness and wear resistance make them perfect for creating dies, punches, and rollers that endure continuous load and impact. In the automotive sector, they are commonly used for producing axles, crankshafts, and camshafts. Furthermore, these bars are favored in machine tool industries, aerospace components, and industrial machinery where strength, precision, and durability are essential for optimal performance and longevity.
Desta 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 Addis Ababa, Ethiopia.
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