Semih Metals, a well-respected manufacturer and supplier located in Istanbul, Turkey, is known for delivering top-notch Carbon Steel AISI 1018 Bars and Rods to a variety of industries around the globe. With a reputation built on precision, reliability, and a commitment to international standards, the company guarantees that its products meet even the toughest demands. The Carbon Steel AISI 1018 Bars and Rods are prized for their outstanding machinability, toughness, and versatility, making them ideal for a wide range of applications. Thanks to their state-of-the-art production facilities, prompt delivery, and customer-focused services, Semih Metals remains a go-to source for durable and cost-effective carbon steel solutions in engineering and industrial sectors.
These Carbon Steel AISI 1018 Bars and Rods are primarily made up of carbon, manganese, iron, along with trace amounts of sulfur and phosphorus. This unique blend results in a low-carbon steel grade that boasts excellent ductility, good tensile strength between 440–470 MPa, and a yield strength of about 370 MPa. They are known for their high machinability, moderate toughness, and can be easily welded or cold-formed without losing their performance. Their well-balanced properties make them suitable for both structural and mechanical applications. With a good surface finish and consistent mechanical performance, AISI 1018 Bars and Rods provide reliable functionality across various industrial uses.
| Specifications | AISI 1018, ASME SA1018 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Carbon Steel AISI 1018 Round Bars | 100mm-1200mm |
| Finish | Bright, Polish & Black |
| Length | 12m |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | Mn | S | C | P | Si | Cr | Mo |
|---|---|---|---|---|---|---|---|
| AISI 4130 | 0.4-0.8 | 0.04 | 0.28-0.33 | 0.035 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 |
| >Grade | >Delivery State | >A,% Min | >T.S. N/mm2 Min | >Y.S. N/mm2 Min | >Z,% Min | >Hardness, (annealing or tempering) HB,max | >Forging ratio | >Grain Size (level) | >Nonmetal ratio |
|---|---|---|---|---|---|---|---|---|---|
| AISI 1018 | Hot rolled, forged, or heat treatment | 12 | 930 | 735 | 50 | 229 | ≥ 4:1 | ≥ 6 | ≤ 2.0 |
| Standard | AISI / SAE 1018 |
|---|---|
| UNS | – |
| WERKSTOFF NR. | 25CrMo4, GS-25CrMo4 |
| BS 970 | 708A30, CDS110 |
| UNI | 25CrMo4 (KB), 30CrMo4 |
| JIS | SCM 420, SCM 430, SCCrM1 |
| EN name | – |
| EN # | 1.7218 |
| Diameter | Weight Chart | Dia | Weight Chart |
|---|---|---|---|
| (mm) | per metre (kg) | (in) | per metre (kg) |
| 3mm | 0.06 | 1/8″ | 0.06 |
| 4mm | 0.10 | 3/16″ | 0.14 |
| 5mm | 0.16 | 1/4″ | 0.25 |
| 6mm | 0.22 | 5/16″ | 0.39 |
| 7mm | 0.30 | 3/8″ | 0.56 |
| 8mm | 0.40 | 7/16″ | 0.77 |
| 10mm | 0.62 | 1/2″ | 1.00 |
| 12mm | 0.89 | 9/16″ | 1.22 |
| 14mm | 1.22 | 5/8″ | 1.56 |
| 15mm | 1.40 | 11/16″ | 1.89 |
| 16mm | 1.59 | 3/4″ | 2.25 |
| 18mm | 2.01 | 7/8″ | 3.07 |
| 20mm | 2.48 | 1″ | 4.03 |
| 22mm | 3.00 | ||
| 24mm | 3.57 | ||
| 25mm | 3.88 |
They offer excellent machinability, weldability, and strength, making them ideal for various industrial applications.
They are commonly used in automotive, machinery, construction, and manufacturing industries.
Yes, we provide customization options for sizes, lengths, and finishes to suit specific project needs.
Carbon Steel AISI 1018 Bars and Rods find extensive use in industries that demand superior machinability and formability. They are commonly utilized in the automotive industry for components like shafts, pins, studs, spindles, and gears. In engineering and construction, they serve as fasteners, bolts, couplings, and structural elements. Their weldability and ductility also make them perfect for machinery parts, pipelines, and precision equipment. Additionally, they are employed in agricultural machinery, furniture frameworks, and industrial tooling. The blend of strength, affordability, and versatility makes Carbon Steel AISI 1018 Bars and Rods a popular choice across various sectors.






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