Nestled in the industrial heart of Manama, Junaid Metals has built a strong reputation for reliability and quality, particularly when it comes to their carbon steel hollow bars. We understand that the foundation of any great project lies in the materials chosen, which is why we are committed to supplying products that not only meet but exceed the demanding standards of Bahrain’s dynamic construction and manufacturing sectors. Our hollow bars represent a perfect blend of strength and practicality, ready to be the core component of your most important work.
The composition of these hollow bars is primarily iron and carbon, creating a material known for its admirable balance of strength and machinability. This specific formulation gives the steel excellent mechanical properties, including high tensile strength and good durability, allowing it to withstand significant stress and pressure. It’s this reliable toughness that makes it such a trusted choice for engineers and fabricators who need a material that can perform consistently under demanding conditions without compromising on workability.
| Grade | Carbon Steel |
|---|---|
| Carbon Steel Square bar size | 4 to 100mm |
| CS Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Low Carbon Steel Hex Bar size | 2-100mm A/F |
| Carbon Steel Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| CS Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Low Carbon Steel Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Carbon Steel Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| CS Section | 3.0 to 12.0mm thickness |
| Low Carbon Steel Round bar size | Diameter: 3-~800mm |
| Carbon Steel Billet Size | 1/2″ to 495mm Diameter |
| CS Round Bar Standard Dimensions | Diameter / Height: Carbon Steel Rod and Bar Sizes : 0.5 inches / 0.625 inches / 0.75 inches / 0.875 inches / 1.0 inches / 1.125 inches / 1.25 inches / 1.375 inches / 1.5 inches / 1.75 inches / 2.0 inches / 2.25 inches / 2.5 inches / 2.75 inches / 3.0 inches / 3.25 inches / 3.5 inches / 3.75 inches / 4.0 inches / 4.25 inches / 4.5 inches / 5.0 inches / 5.25 inches / 5.5 inches / 6.0 inches / 7.0 inches / 8.0 inches / 9.0 inches. |
| Carbon Steel Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| CS Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Low Carbon Steel Technique | Carbon Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Carbon Steel Condition | Hardened & tempered, annealed |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Form | Carbon Steel Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square Bar, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
| Our Carbon Steel Round bar conforms to NACE MR0175/ISO 15156 | |
| Carbon Steel Grades | C | Mn | Si | S Max. | P Max. |
|---|---|---|---|---|---|
| Ck 45 | 0.42/0.50 | 0.50/0.80 | 0.15/0.35 | 0.04 | 0.04 |
| Ck 55 | 0.52/0.60 | 0.60/0.90 | 0.15/0.35 | 0.04 | 0.04 |
| Ck 60 | 0.57/0.65 | 0.60/0.90 | 0.15/0.35 | 0.04 | 0.04 |
| SAE1006 | 0.08 max | 0.25/0.40 | 0.10/0.30 | 0.05 | 0.04 |
| SAE1008 | 0.10 max | 0.30/0.50 | 0.10/0.30 | 0.05 | 0.04 |
| SAE1010 | 0.08/0.13 | 0.30/0.60 | 0.10/0.30 | 0.05 | 0.04 |
| SAE1018 | 0.15/0.20 | 0.60/0.90 | 0.10/0.30 | 0.05 | 0.04 |
| SAE1020 | 0.18/0.23 | 0.30/0.60 | 0.10/0.30 | 0.09 | 0.04 |
| SAE1030 | 0.28/0.34 | 0.60/0.90 | 0.10/0.40 | 0.05 | 0.04 |
| SAE1035 | 0.32/0.38 | 0.60/0.90 | 0.10/0.40 | 0.05 | 0.04 |
| SAE1040 | 0.37/0.44 | 0.60/0.90 | 0.10/0.40 | 0.05 | 0.04 |
| SAE1045 | 0.40/0.50 | 0.60/0.90 | 0.10/0.40 | 0.05 | 0.04 |
| En-8D | 0.40/0.45 | 0.70/0.90 | 0.05/0.35 | 0.06 | 0.06 |
| En-9 | 0.50/0.60 | 0.50/0.80 | 0.05/0.35 | 0.06 | 0.06 |
| Grade | Yield Strength, | Tensile Strength, | Elongation at Break (in 50 mm) | Bulk Modulus (typical for steel) | Modulus of Elasticity | HBW | Poissons Ratio | Fatigue strength coefficient, of (Mpa) | Shear Modulus | Impacting Energy | Reduction of area, min: |
|---|---|---|---|---|---|---|---|---|---|---|---|
| a36 | 250 MPa | 400 – 550 MPa | 23.00% | 140 GPa | 200 GPa | 0.26 | 79.3 GPa | ||||
| 36300 psi | 58000 – 79800 psi | 23.00% | 20300 ksi | 29000 ksi | 0.26 | 11500 ksi | |||||
| EN45 | 35 (241) | 80 (551) | 40% | 204 Gpa | 948 | ≥63 | |||||
| EN19 | ≥930 Mpa | ≥1080 Mpa | ≥12 | 217 | ≥45 | ||||||
| 105 | 36,000 psi [250 MPa] | 70,000 psi (485 MPa] | 187 | 30% min | |||||||
| EN8 | ≥210 | ≥380 | ≥25 | ≤111HB | ≥50 |
Yes, many manufacturers and suppliers offer carbon steel hollow bars in custom sizes and polishes. Specify your requirements to ensure the product meets your exact needs for applications.
Carbon steel hollow bars are offered in finishes like as-rolled, annealed, normalized, normalized and tempered, quenched and tempered, polished, and precision machined, tailored for structural, mechanical, or machining applications.
Carbon steel hollow bars come in various types, including seamless, ERW (Electric Resistance Welded), cold drawn, hot rolled, precision, low carbon, medium carbon, and high carbon grades.
You’ll find these versatile hollow bars at the core of countless applications across Bahrain and beyond. They are fundamental in constructing robust mechanical frames, scaffolding, and support structures for buildings and industrial plants. Machinists often choose them for creating precision parts like sleeves, bushings, and hydraulic cylinders, where their hollow center is a key design advantage. From the skeletons of new architectural landmarks to the moving parts within heavy machinery, this material provides the essential strength and adaptability that modern industry relies on every day.






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