From the heart of Hamilton, New Zealand, Hemi Metals has built a reputation for reliability as a trusted manufacturer and supplier of industrial materials. We take pride in offering a comprehensive range of Carbon Steel EN Series bars, a staple for engineers and fabricators who demand consistency and performance. Our commitment goes beyond just supply; we provide the local industry with robust steel solutions backed by expert knowledge, ensuring your projects are built on a foundation of quality and dependability sourced right here in our community.
The EN series refers to a family of carbon steels defined by specific European standards, ensuring a reliable and consistent composition for each grade. These steels primarily consist of iron and carbon, with carefully considered levels of manganese, silicon, and other trace elements that fine-tune their characteristics. This precise balance directly influences key mechanical properties like tensile strength, yield strength, and hardness, offering a versatile range of materials that can be easily machined, welded, or heat-treated to achieve the exact performance needed for a particular application.
| Specifications | : | ASTM A105, ASME SA105 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Carbon Steel EN Series Round Bars | : | 3.0 – 50.8 mm, Over 50.8 – 300mm |
| Carbon Steel EN Series Rectangular Bars | : | 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm |
| Carbon Steel EN Series Hex Bars | : | AF5.8mm–17mm |
| Carbon Steel EN Series Square Bars | : | AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm |
| Carbon Steel EN Series Flat Bars | : | 1/2” to 10” in thickness range of 2mm to 150mm, |
| Finish | : | Bright, Polish & Black |
| Length | : | 1 to 6 Meters, Custom Cut Lengths |
| 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 |
They offer excellent strength, toughness, and machinability, making them ideal for a wide range of industrial applications.
They are commonly used in automotive, machinery, construction, and manufacturing for components like shafts, gears, and structural parts.
Yes, we provide customization options in sizes, lengths, and finishes to meet specific project requirements.
These bars are truly the workhorses of the manufacturing and engineering world. You’ll find EN series steel bars shaped into essential components for the construction industry, robust machinery parts, and the sturdy frames of agricultural equipment. Their excellent machinability makes them ideal for producing gears, shafts, bolts, and countless custom fixtures. From supporting critical infrastructure to forming the backbone of everyday products, the versatility and strength of these materials make them an indispensable choice for workshops and factories across New Zealand and beyond.






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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