Hemi Metals is a trusted manufacturing partner right here in Hamilton, dedicated to providing industrial and trade customers with high-quality steel solutions. We take pride in our reliable supply of Carbon Steel AISI 1018 bars and rods, known for their excellent combination of workability and strength. Our commitment is to deliver not just a product, but consistent performance and local expertise, ensuring your projects are built on a foundation of dependable New Zealand-made materials.
This grade is a low-carbon steel, primarily composed of iron with small, balanced amounts of manganese and carbon. This specific composition gives AISI 1018 its characteristic versatility, offering good ductility and toughness. It responds very well to machining and welding, making it a favourite for fabrication. While not as strong as higher-carbon steels, it provides a solid foundation for parts that require forming and finishing without being excessively hard or brittle.
| 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.
The real strength of AISI 1018 lies in its wide range of uses. You’ll often find these bars and rods shaped into axles, pins, and gears, or forming the sturdy frames for machinery and fixtures. Its excellent machinability makes it ideal for producing intricate parts in automotive and general manufacturing. From simple bolts and spindles to the structural components of everyday products, this steel’s reliability supports a huge variety of essential applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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