Marzouk Steel is a dependable manufacturer and supplier of Carbon Steel EN-9 Bars in Tunis, Tunisia, delivering robust and versatile steel solutions for a wide range of engineering needs. EN-9 is a medium carbon steel grade valued for its good strength, toughness, and excellent response to heat treatment. At Marzouk Steel, our EN-9 bars are manufactured with precise chemical control and consistent finishing, ensuring reliable machinability and performance. We focus on quality, timely supply, and practical support, making our EN-9 bars a trusted choice for both general engineering and industrial applications.
Carbon Steel EN-9 Bars typically contain medium carbon content, along with controlled amounts of manganese and small traces of other elements. This composition provides a good balance of strength and ductility. Mechanically, EN-9 bars offer moderate to high tensile strength, good hardness after heat treatment, and excellent wear resistance. They also show reliable machinability and can be flame or induction hardened, making them suitable for components that require a tough core with a harder working surface.
| Grade | 070M55 / EN-9 |
|---|---|
| Specification | BS 970 1991 |
| Round Bar Size | Diameter: 3-~800mm |
| Square Bar size | 4 to 100mm |
| Flat Bar Size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Hex Bar Size | 2-100mm A/F |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Section | 3.0 to 12.0mm thickness |
| Billet Size | 1/2″ to 495mm Diameter |
| Finish | Cold (bright) drawn, centreless ground,smooth turned, Rough Turned, Bright, peeled, hot rolled, hot rolled annealed, slit rolled edge, Polish, Grinding, Centreless Ground & Black |
| Tolerance | K9, K10, K11, K12, H8, H9, H10, H11, H12, H13, or as per clients’ requirements |
| Surface | Polished, Bright, Cold Drawn, Hot Rolled Pickled, Sand Blasting Finished, Hairline |
| Condition | Hardened & Tempered, Annealed |
| Technique | en9 Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rods |
| Processing | Bar cutting to 650mm |
| Form | en9 Welding Rod, Round, Round Rod, Rings, Hollow, Rod, T-Bar, Channel Bar, Flat Bar, Square, Blocks, Precision Ground Bar, Triangle, Rectangle, Hex (A/F), Threaded, Ingot, I/H Bar, Half Round Bar, Profiles, Billet, Forging etc. |
| Grade | Cr | C | Ni | Si | S | Mn | P | Mo |
| EN – 9 | – | .50 – .60 | – | .05 – .35 | .040 MAX | .50 – .80 | .040 MAX | – |
| Heat Treatment | Condition Tons/SQ.inch | Tensile Stress RE MPA | RP0.2 MPA | A min on 5.65so | Impac | Hardness HB | Limited Ruling Section mm | |
| IZODFT.L.b | KCV Joules | |||||||
| Normalise | 45 | 700 | – | 12 | – | – | 201-255 | 63 |
| 39 | 600 | – | 13 | – | – | 170/223 | 250 | |
| R | 45/55 | 700/850 | 385 | 14 | – | – | 201/277 | 100 |
| S | 50/60 | 775/925 | 450 | 14 | – | – | 223/277 | 63 |
| T | 55/65 | 850/1000 | 555 | 12 | – | – | 248/302 | 19 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Size (ins) | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 3/4 | 1 7/8 | 2 | 2 1/8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 3 |
| Size (mm) | 32 | 40 | 45 | 50 | 55 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 110 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 120 | 125 | 130 | 140 | 150 | 160 | 180 | 190 | 200 | 220 | 280 |
Carbon Steel EN-9 Bars are widely used in automotive, mechanical, and fabrication industries where strength and durability are required at a reasonable cost. Typical applications include shafts, spindles, gears, studs, bolts, and machine components. They are also used in agricultural equipment, hand tools, and structural parts that experience moderate stress and wear. At Marzouk Steel, our EN-9 bars support dependable manufacturing across industries, delivering consistent performance and long service life in everyday engineering applications.
Marzouk 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 Tunis, Tunisia.
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