Nestled in the vibrant industrial landscape of Kinshasa, Sadiki Metals has built a reputation as a trusted partner for quality and reliability. We take pride in manufacturing and supplying robust aluminium square bar rods, crafted to meet the rigorous demands of local and regional projects. Our commitment goes beyond mere supply; we are dedicated to supporting the growth of Congolese industry by providing materials that form the strong, lightweight backbone of countless structures and innovations, ensuring every client receives a product they can depend on.
Our aluminium square bar rods are engineered from high-grade aluminium alloys, primarily from the 6000 series, which are known for their excellent balance of strength and workability. This composition gives the rods impressive mechanical properties, including strong tensile strength and good resistance to corrosion. They are also lightweight yet remarkably durable, offering a high strength-to-weight ratio that makes them easy to handle and install without sacrificing performance or longevity in demanding environments.
| 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.
The versatility of our aluminium square bar rods makes them a favourite across many trades. Fabricators and welders use them to create sturdy frames for everything from industrial machinery guards and conveyor systems to furniture and architectural features. In construction, they are essential for structural supports, window frames, and decorative trims. Their excellent machinability also makes them ideal for custom parts in automotive and manufacturing applications, proving that a simple square bar can be the starting point for truly innovative and strong creations.






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