Chuck Metals is a reliable manufacturer and supplier of low-carbon steel products based in Singapore, Pulau Ujong. They offer top-notch Carbon Steel AISI 1018 Bars and Rods, perfect for applications that demand excellent machinability, weldability, and a smooth surface finish. AISI 1018 is well-regarded for its consistency and dependability, making it a go-to low-carbon steel for a wide array of industrial applications. Chuck Metals provides these bars and rods in various finishes, including hot rolled, cold drawn, and turned, all while ensuring full traceability and adherence to international standards. With quick delivery and knowledgeable support, Chuck Metals is committed to providing material solutions that cater to engineering and production requirements.
Typically, Carbon Steel AISI 1018 Bars and Rods contain about 0.15–0.20% carbon, 0.60–0.90% manganese, along with trace amounts of phosphorus and sulfur. This mild steel grade boasts good tensile strength (around 440 MPa), impressive ductility, and consistent hardness. While it isn’t heat-treatable for achieving high hardness, it does respond well to case hardening. AISI 1018 is known for its excellent surface finish and dimensional accuracy, particularly in its cold-drawn state. The low carbon content of this steel ensures outstanding weldability, machinability, and formability, making it a versatile option for various fabrication and mechanical applications.
| 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 |
You’ll find Carbon Steel AISI 1018 Bars and Rods commonly used in the production of pins, shafts, spindles, studs, rods, fasteners, and machine parts. In construction and general engineering, they serve well for components that need precision machining and moderate strength. AISI 1018 is particularly suited for carburized parts that require a hard surface and a tough core, such as gears and wear-resistant components. Its versatility, cost-effectiveness, and ease of fabrication make it one of the most popular steel grades in both manual and automated production environments.






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