Hemi Metals, based in Hamilton, New Zealand, is a trusted name in the manufacturing and supply of Aluminium 5082 Bars and Rods. These products are celebrated for their exceptional corrosion resistance, impressive strength-to-weight ratio, and top-notch performance in both marine and industrial settings. With a commitment to strict metallurgical standards and cutting-edge processing techniques, Hemi Metals guarantees that every 5082 bar and rod delivers consistent mechanical properties, a smooth surface finish, and long-lasting durability. Aluminium 5082 is a go-to choice for applications that demand structural integrity, weldability, and resistance to saltwater. Customers rely on Hemi Metals for high-quality 5082 aluminium products tailored to meet rigorous engineering and fabrication needs.
Aluminium 5082 Bars and Rods are composed of 4.0–4.9% magnesium, 0.20–0.50% manganese, and trace amounts of chromium, which together provide remarkable corrosion resistance and robust mechanical performance. This alloy boasts greater strength than 5052 while still offering good weldability and formability. In terms of mechanical properties, 5082 delivers solid tensile strength, high fatigue resistance, and dependable toughness, making it a great fit for both structural and marine applications. Although it’s non-heat-treatable, it gains significant strength through cold working. Additionally, the alloy shows excellent resistance to seawater and stress corrosion, ensuring reliable performance even under continuous load and in harsh environments.
| Aluminium Alloy | ASTM B211, B211, B565, B316 5082, AMS 4121 |
| Standard | ASTM, ASME, AMS, GB/T, JIS |
| Aluminium Round Bar Temper | O, H12, H14, H16, H18, H22, H24, H26, H32, H112 |
| Aluminium Bar Form | Aluminium Round, Hex, Flat, Half Round, Oval, Rectangular in Black & Bright Finish |
| Aluminium Round Bar Diameter | 0.1-600mm,etc |
| Aluminium Hexagonal Bar | 0.1-600mm,etc |
| Aluminium Angle Bar Size | 0.5mm*40mm*40mm-20mm*400mm*400mm |
| Aluminium Flat Bar Thickness | 0.1-600mm,etc |
| Aluminium Flat Bar Size | 1-2500mm, etc |
| Aluminium Round Bar Length | 1-12m, Random, Fix & Cut Length or as per clients’ requirement |
| Aluminium Bar | Bright, Polish & Black |
| GRADE | Al | Cr | Cu | Fe | Mg | Mn | Si | Ti | Zn | Residuals |
| 5082 | 95.2 to 98.3% | 0.25% max | 0.1% max | 0.5% max | 0.6 to 1.2% | 0.4% to 1.0% | 0.7 to 1.3% | 0.1% max | 0.2% max | 0.15% max |
| Density | Melting Point | Modulus of Elasticity | Electrical Resistivity | Thermal Conductivity | Thermal Expansion | Specific Heat |
| Value | 2700 kg/m3 | 555°C | 70 GPa | 0.038×10-6 Ω.m | 180 W/m.K | 24×10-6 /K |
| European Standard | OLD | WNr | UNS | ISO | USA (AA) | GERMANY (DIN) |
| AW-AlMg4,5 | AG4,5 | 3.3345 | A95082 | AlMg4,5 | 5082 | AlMg4,5 |
| Size in mm | Average Weight | |
| KG/MTR | KG/FT | |
| 10 | 0.62 | 0.18 |
| 12 | 0.90 | 0.30 |
| 14 | 1.20 | 0.40 |
| 16 | 1.60 | 0.50 |
| 18 | 2.00 | 0.60 |
| 20 | 2.50 | 0.80 |
| 22 | 3.00 | 0.90 |
| 24 | 3.56 | 1.08 |
| 25 | 3.90 | 1.20 |
| 28 | 4.80 | 1.50 |
| 30 | 5.55 | 1.69 |
| 32 | 6.30 | 1.90 |
| 34 | 7.14 | 2.18 |
| 36 | 8.00 | 2.44 |
| 40 | 9.90 | 3.00 |
| 45 | 12.49 | 3.81 |
| 50 | 15.40 | 4.70 |
| 56 | 19.34 | 5.89 |
| 60 | 22.20 | 6.80 |
| 63 | 24.47 | 7.46 |
| 63.5 | 24.86 | 7.58 |
| 65 | 26.05 | 7.94 |
| 70 | 30.20 | 9.20 |
| 73 | 32.86 | 10.00 |
| 75 | 34.72 | 10.58 |
| 78 | 37.51 | 11.43 |
| 80 | 39.50 | 12.00 |
| 83 | 42.47 | 12.95 |
| 85 | 44.55 | 13.58 |
| 90 | 50.00 | 15.20 |
| 92 | 52.19 | 15.91 |
| 93 | 53.39 | 16.27 |
| 95 | 55.65 | 16.95 |
| 100 | 61.66 | 18.79 |
| 105 | 67.98 | 20.72 |
| 110 | 74.60 | 22.74 |
| 115 | 81.64 | 24.88 |
| 125 | 96.34 | 29.36 |
Maintain Aluminum 5082 bars by regularly cleaning with mild soap and water to prevent dirt buildup. Avoid harsh chemicals, use non-abrasive tools, and protect against corrosion by storing in dry conditions.
Yes, Aluminium 5082 bars are recyclable. Like most aluminum alloys, they can be melted down and reused without significant loss of properties, making them an environmentally sustainable material.
Yes, Aluminium 5082 rods can be customized in size and length. Manufacturers often offer custom dimensions to meet specific requirements for industrial, construction, or engineering applications.
Aluminium 5082 Bars and Rods find extensive use across marine, transportation, construction, and industrial sectors, thanks to their strength and corrosion resistance. You’ll commonly see them in applications like boat hulls, marine fittings, offshore structures, fuel tanks, storage vessels, truck bodies, pressure vessels, and welded assemblies. Their strong resistance to saltwater makes them perfect for coastal and underwater components. The alloy is also utilized for frames, brackets, fasteners, hydraulic system parts, and lightweight structures.
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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