Anucha Metals provides precision-engineered Aluminium Square Bars and Rods from its Bangkok, Thailand, factory. These solid bars come in grades 6061, 6082, and 7075 and are characterized by high strength, low weight, and good machinability. Our aluminium square bars that conform to international standards like ASTM B211 find applications in structural frameworks, architectural features, machinery, and general fabrication. With precise corners and equal dimensions, Anucha Metals provides close tolerances, clean finishes, and reliable performance for standard and custom aluminum square bar sizes.
Aluminium square bars have 90–98% aluminium with alloying components such as magnesium, silicon, zinc, or copper. Mechanical properties vary with alloy and temper. For example, 6061-T6 has tensile strength of up to 310 MPa, whereas 7075-T6 has up to 570 MPa. The bars have high corrosion resistance, fatigue strength, and are weldable, heat-treatable, and machinable. Their solid, squared cross-section provides stability to structural loads and is suitable for exact fabrication.
| 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.
Aluminium square bars find applications in machine bases, brackets, architectural framing, and chassis components of automobiles. Their square section provides strength and ease of fitting in modular assemblies, fencing, railings, and supporting structures. In electrical and HVAC applications, they are mounting elements and channel covers. They are highly machinable and thus used in the making of tools and jigs, spacers, and frames. In maritime applications, they are employed in corrosion-proof decking frames and structural reinforcement. Aluminium square bars are a material of choice for heavy-duty industrial applications and decorative architectural ones.






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