Chetak Steel, based in Hyderabad, has earned a solid reputation as a reliable manufacturer and supplier of high-quality Carbon Steel EN-1A Bars, catering to a variety of industrial sectors. The company prides itself on its commitment to precision, consistency, and timely delivery, effectively supporting the engineering, automotive, fabrication, and machining needs across India. By sourcing top-notch raw materials and adhering to rigorous quality control standards, Chetak Steel ensures that its products boast superior surface finishes, precise dimensions, and excellent machinability. With a strong technical foundation and a focus on customer service, the company has established a trustworthy reputation for delivering cost-effective steel solutions tailored to meet specific project requirements, all while fostering long-term partnerships and embracing continuous improvement to adapt to the ever-changing industrial landscape.
Carbon Steel EN-1A Bars have a composition mainly made up of carbon (0.12–0.18%), manganese (0.50–0.80%), phosphorus (max 0.04%), and sulfur (max 0.05%). The alloy is highly machinable and has a smooth surface finish. Mechanical properties are tensile strength in the range 370–490 MPa and yield strength around 190 MPa. EN-1A bars have good toughness and workability and can be used for applications involving precision machining and good-quality surface finishes. Such characteristics make them the best for making parts such as shafts, bolts, and machine parts.
| Grade | en1a |
|---|---|
| Specification | BS970: 1955 EN1A, BS970/PD970: 1970 onwards 230M07. |
| 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 | en1a Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Processing | Bar cutting to 650mm |
| Form | en1a 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. |
230M07 (EN1A) Specification Chemical composition | |
|---|---|
Carbon | 0.15% max |
Silicon | 0.40% max |
Manganese | 0.90-1.30% |
Sulphur | 0.25-0.35% |
Phosphorus | 0.070 Max |
Chromium | – |
Molybdenum | – |
Nickel | – |
Lead | 0.15-0.35% (Where specified) |
230M07 (EN1A) – mechanical properties in cold drawn condition | ||
|---|---|---|
Max Stress | 370-480 n/mm2Â Min | dependent on ruling section |
Yield Stress | 240-400 n/mm2Â Min | dependent on ruling section |
0.2% Proof Stress | 225-360 n/mm2Â Min | dependent on ruling section |
Elongation | 6-10% Min | dependent on ruling section |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
10 mm | 3, 5 mm |
12 mm | 3, 5, 6 mm |
13 mm | 3 mm |
16 mm | 3 mm |
20 mm | 3, 5, 6, 8, 10, 12 |
25 mm | 3, 5, 6, 8, 10, 12, 16, 20 |
30 mm | 3, 5, 6, 8, 10, 12, 16, 20, 25 |
40 mm | 3, 5, 6, 8, 10, 12, 16, 20, 25, 30 |
50 mm | 3, 5, 6, 8, 10, 12, 16, 20, 25, 30 |
60 mm | 3, 6, 8, 10, 12, 16, 20, 25, 30 |
70 mm | 3, 5, 6, 8, 10, 12, 16, 20, 25 |
80 mm | 5, 6, 8, 10, 12, 16, 20, 25 |
90 mm | 6, 10, 12, 16 |
100 mm | 3, 5, 6, 8, 10, 12, 16, 20, 25, 30, 40, 50 |
125 mm | 10, 25, 50 |
150 mm | 6, 10, 12, 16, 20, 25, 30, 40, 50 |
200 mm | 10, 12, 20, 25, 30, 50 |
These Carbon Steel EN-1A Bars find extensive use in applications that demand high machinability and precise dimensional accuracy. They’re commonly utilized in the production of fasteners, bolts, nuts, screws, shafts, studs, and precision-turned components. Ideal for automatic lathes and CNC machines, they serve various industries, including automotive, electrical, and general engineering. Additionally, EN-1A steel is perfect for fittings, bushings, pins, and small mechanical parts where surface finish and production efficiency are paramount, making it an excellent choice for large-scale manufacturing.
Chetak 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 Hyderabad, India.
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