Here in the heart of Nigeria’s bustling capital, Samuel Steels has built a reputation as a trusted partner for industrial and construction needs. We are proud to be a leading supplier of high-grade materials, including the exceptionally reliable Carbon Steel A105 Bars. Our commitment is to provide Abuja’s growing infrastructure and manufacturing sectors with products that meet the highest standards of quality and durability, ensuring your projects are built on a foundation of strength and integrity you can count on.
The strength of A105 bars comes from their carefully balanced composition, primarily iron and carbon with additions of manganese and silicon. This specific blend gives these bars excellent mechanical properties, including high tensile strength and good yield strength, allowing them to withstand significant pressure and load. They also offer impressive ductility, meaning they can be shaped and machined without losing their inherent toughness, making them a versatile and dependable choice for demanding applications.
| Standard | ASTM A105, ASME SA105 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round bar Size | Diameter: 3-~800mm |
| Hex Bar Size | 2-100mm A/F |
| Square Bar Size | 4 to 100mm |
| Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Rectangular Bars 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) |
| Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Rectangular Size | 33 x 30mm to 295 x 1066mm |
| 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 |
| 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 | Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Processing | Bar cutting to 650mm |
| Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Grade | C | Si | Mn | P | S | Mo | Ni | Cr | Cu | V |
| A105 | 0.35 | 0.10–0.35 | 0.60–1.05 | 0.035 | 0.040 | 0.12 | 0.40 | 0.30 | 0.40 | 0.08 |
| Grade | Yield Strength, Min (MPa ) | Tensile Strength, Min (MPa) | Elongation, min, % |
| A105 | 250 | 485 | 30 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Jaxon Steel is a trusted manufacturer and supplier of high-quality Carbon Steel A105 Bars in Abuja, Nigeria. We specialize in premium steel products, including Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings, Sheets, and Plates. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability, and performance in critical industrial applications.
| ASTM A105 Round Bar Equivalent | ||
|---|---|---|
| STANDARD | UNS | WERKSTOFF NR. |
| ASTM A105 | K03504 | – |
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
| Diameter(Inch) | Carbon Steel A105 Bar Size | Diameter (millimeter) | Carbon Steel A105 Bar Size | Diameter (millimeter) | Carbon Steel A105 Bar Size | Diameter (millimeter2) | Carbon Steel A105 Bar Size |
| 0.250 | #2 | 5 | 5 | 6 | 6 | 100 | 10M |
| 0.375 | #3 | 5.5 | 5.5 | 10 | 10 | 200 | 15M |
| 0.500 | #4 | 6 | 6 | 13 | 13 | 300 | 20M |
| 0.625 | #5 | 7 | 7 | 16 | 16 | 500 | 25M |
| 0.750 | #6 | 8 | 8 | 19 | 19 | 700 | 30M |
| 0.875 | #7 | 9 | 9 | 22 | 22 | 1000 | 35M |
| 1.000 | #8 | 10 | 10 | 25 | 25 | 1500 | 45M |
| 1.125 | #9 | 11 | 11 | 29 | 29 | 2500 | 55M |
| 1.250 | #10 | 12 | 12 | 32 | 32 | Â | Â |
| 1.375 | #11 | 14 | 14 | 35 | 35 | Â | Â |
| 1.500 | #12 | 16 | 16 | 38 | 38 | Â | Â |
| 1.625 | #13 | 18 | 18 | 41 | 41 | Â | Â |
| 1.750 | #14 | 20 | 20 | 44 | 44 | Â | Â |
| 1.875 | #15 | 22 | 22 | 48 | 48 | Â | Â |
| 2.000 | #16 | 25 | 25 | 51 | 51 | Â | Â |
| 2.250 | #18 | 28 | 28 | 57 | 57 | Â | Â |
| Â | Â | 32 | 32 | Â | Â | Â | Â |
| Â | Â | 36 | 36 | Â | Â | Â | Â |
| Â | Â | 40 | 40 | Â | Â | Â | Â |
| Â | Â | 44 | 44 | Â | Â | Â | Â |
| Â | Â | 50 | 50 | Â | Â | Â | Â |
| Diameter in inch | Size in inch/MM | Weight Lbs/ft & Kg/M |
| 1/16 | 0.0625 1.5875 | 0.010 / 0.01488 |
| 1/8 | 0.125 3.175 | 0.042 / 0.062496 |
| 3/32 | 0.0938 2.38252 | 0.0240 / 0.035712 |
| 5/32 | 0.1563 3.97002 | 0.065 / 0.09672 |
| 7/32 | 0.2188 5.55752 | 0.128 / 0.190464 |
| 3/16 | 0.1875 4.7625 | 0.094 / 0.139872 |
| 1/4 | 0.25 6.35 | 0.167 / 0.248496 |
| 5/16 | 0.3125 7.9375 | 0.260 / 0.38688 |
| 9/32 | 0.2813 7.14502 | 0.211 / 0.313968 |
| 3/8 | 0.375 9.525 | 0.376 / 0.559488 |
| 1/2 | 0.5 12.7 | 0.668 / 0.993984 |
| 7/16 | 0.4375 11.1125 | 0.512 / 0.761856 |
| 9/16 | 0.5625 14.2875 | 0.844 / 1.255872 |
| 11/16 | 0.6875 17.4625 | 1.264 / 1.880832 |
| 5/8 | 0.625 15.875 | 1.043 / 1.551984 |
| 3/4 | 0.75 19.05 | 1.502 / 2.234976 |
| 7/8 | 0.875 22.225 | 2.045 / 3.04296 |
| 13/16 | 0.8125 20.6375 | 1.761 / 2.620368 |
| 15/16 | 0.9375 23.8125 | 2.35 / 3.4968 |
| 1 1/16 | 1.0625 26.9875 | 3.012 / 4.481856 |
| 1 | 1 25.4 | 2.671 / 3.974448 |
| 1 1/8 | 1.125 28.575 | 3.38 / 5.02944 |
| 1 1/4 | 1.25 31.75 | 4.173 / 6.209424 |
| 1 3/16 | 1.1875 30.1625 | 3.77 / 5.60976 |
| 1 5/16 | 1.3125 33.3375 | 4.598 / 6.841824 |
You’ll find Carbon Steel A105 Bars playing a critical role in the construction of high-pressure piping systems for oil and gas, power generation, and industrial plants across Abuja. They are the preferred material for flanges, valves, and fittings because of their reliable performance under stress. Beyond piping, these robust bars are also essential for crafting heavy-duty machine components and structural parts, providing the necessary backbone for everything from large-scale industrial machinery to essential public infrastructure projects.
Samuel 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 Abuja, Nigeria.
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