Based in the heart of Kinshasa, Yoane Steel stands as a trusted name for industrial and construction materials, bringing reliability and quality directly to our local market. We understand the unique demands of projects across Congo, which is why we are proud to supply Carbon Steel EN-1A Bars. This particular grade is a fundamental, versatile choice known for its excellent machinability and consistent performance, making it a go-to material for a wide array of essential manufacturing and engineering tasks.
The composition of EN-1A steel is straightforward, centered around carbon as the main element, which gives it a good balance of strength and ease of use. Its key characteristic is its high machinability, meaning it can be cut, shaped, and threaded with relative ease, which speeds up production. While it is not hardened for extreme strength, it offers dependable toughness and ductility, making it suitable for parts that require precise fabrication without the need for high stress resistance.
| 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 |
You’ll often find EN-1A steel bars at work in components where precise machining is more critical than ultimate strength. It’s ideal for creating bolts, studs, and nuts, as well as various pins, gears, and shafts in machinery. Its reliability makes it a popular choice for general engineering projects, automotive parts, and everyday fixtures. Essentially, it’s the workhorse steel for applications that benefit from its easy-to-work nature, forming the backbone of countless assembled products and mechanical systems.
Yoane 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 Kinshasa, Congo.
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