Based in the industrious heart of Hamilton, New Zealand, Hemi Metals has built a strong reputation for supplying top-tier materials directly to the workshops and factories that drive our local industry. We understand that the right aluminium square bar rod is more than just a product; it’s the essential component for turning a design into a durable reality. That’s why we focus on providing consistent, high-quality stock that you can count on for your most important projects, ensuring reliability from our doorstep to yours.
The appeal of these aluminium square bar rods lies in their excellent blend of strength and workability. Typically crafted from alloys like 6061 or 6063, they offer a great balance, being both strong and highly resistant to corrosion. This makes them exceptionally versatile to work with, whether you’re machining, welding, or fabricating. You get a material that is lightweight yet robust, capable of forming a solid, long-lasting backbone for structures and components without adding unnecessary weight or maintenance concerns.
| Alloy | Fe | Si | Mg | Mn | Cu | Zn | Ti | Cr | Others | AI |
| 1100 (min) | 0.35 | 0.25 | 0.01 | 0.01 | 0.05 | 0.01 | 0.020 | Trace | 0.05 (each) | 99.60% |
| 1100 (max) | 0.50 | 0.35 | 0.03 | 0.05 | 0.20 | 0.05 | 0.030 | Trace | 0.15 (total) | remainder |
| 5083 | 0.40 max | 0.40 max | 4.0 / 4.90 | 0.40 / 1.0 | 0.10 max | 0.25 max | 0.15 max | 0.05 / 0.25 | 0.05 max | Bal |
| 6061 | 0.7 | 0.4-0.8 | 0.8-1.2 | 0.15 | 0.15-0.4 | 0.25 | 0.15 | 0.15-0.35 | 0.005/0.15 | Remainder |
| 6068 | 0.50 max | 0.7 – 1.3 | 0.06-1.20 | 0.40-1.00 | 0.10 max | 0.20 max | 0.10 max | 0.25 max | 0.05 max | Bal |
| 7075 min | 2.10 | 1.20 | 5.10 | 0.18 | ||||||
| 7075 max | 0.50 | 0.40 | 2.90 | 0.30 | 2.00 | 6.10 | 0.20 | 0.28 | 0.05 |
| Alloy | Temper | UTS(Mpa) | % Elongation | Tensile Strength | Hardness Brinell | Proof Stress | Yield Strength (PSI) | Shear Strength (PSI) | Brinell Hardness | |||
| Min | Max | 0.5 mm -0.8 mm | 0.81 mm – 1.30 mm | 1.30 mm – above | ||||||||
| 1100 | O | 75 | 110 | 20 | 25 | 29 | ||||||
| H12 | 95 | 130 | 5 | 6 | 7 | |||||||
| H14 | 110 | 145 | 3 | 4 | 5 | |||||||
| H16 | 130 | 165 | 2 | 3 | 4 | |||||||
| H18 | 150 | — | 2 | 2 | 3 | |||||||
| 5083 | 12 Min % | 275 – 350 MPa | 75 HB | 125 Min MPa | ||||||||
| 6061 | – | 45,000 | 12 | 40,000 | 31,000 | 95 | ||||||
| 6082 | 8 | 295 | 95 | – | 240 | – | – | |||||
7075 T6, T651 | 11 | 83-572 | 73- 503 | 150 | ||||||||
7075 T73, T7351 | 13 | 73-503 | 63-434 | NA | ||||||||
| Grade | UNS | USA | Japan | France | ISO | WNR | EN | DIN | ISO | BS (OLD) |
| 1100 | A91100 | AA1100 | JIS A1100P | NF 1100 | Al 99.0 Cu. | – | – | – | – | – |
| 6082 | A96082 | AA6082 | – | – | – | 3.2315 | AW-6082 | AlMgSi1 | AlSi1MgMn | HE30 |
| 5083 | A95083 | 5083 | – | – | AlMg4,5Mn0,7 | 3.3547 | AW-AlMg4,5Mn0,7 | AlMg4,5Mn | – | – |
| 6061 | A96061 | AA6061 | – | – | – | 3.3211 | AW-AlMg1SiCu EN AW-6061 | AlMgSiCu | AlMg1SiCu | HE20 |
| 7075 | A97075 | 7075 | 3.4365 | ENAW-AlZn5.5MgCu EN AW-7075 | AlZnMgCu1.5 | AlZn6MgCu | 7075 L95 L96, V95 |
Yes, aluminum square bars are corrosion-resistant due to the formation of a protective oxide layer on the surface. This layer helps prevent further corrosion in most environmental conditions.
Aluminum square bars perform well in moderate heat but lose strength at high temperatures, typically above 200°C (392°F). They are not ideal for extreme high-temperature environments due to softening and deformation.
Yes, aluminum square rods can be customized in size and length based on specific requirements. Manufacturers offer a range of dimensions and can tailor the rods to meet individual project needs.
You’ll find these square bar rods at work in countless applications across New Zealand. They are a favourite for constructing sturdy frames for machinery, fabricating robust handrails and balustrades, and creating custom architectural features. Their clean lines and strength also make them ideal for DIY projects, from building custom furniture and workbenches to crafting functional art pieces. Essentially, wherever a project calls for a combination of structural integrity, a modern aesthetic, and easy fabrication, these aluminium bars are an excellent and dependable choice.






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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