Standard Aluminium
ASTM B 209, ASTM B 210, ASTM B 211, ASTM B 221, EN 485-2, EN 573-3, EN 754-2, EN 755-2, ISO 6361,
Availability
Aluminium Plate Thk 5mm – 50mm Size 4ft x 8ft, 5ft x 10ft
Aluminium Roundbar Dia 1/ 4 ~ 14” Length 5ft ~ 12ft
Aluminium Square 6061 1/ 4 ” – 250mm, Length 6ft~ 16ft
Aluminium Hex 6061 1/ 4 ” ~ 3 ”, Length 10ft~ 12ft
SEALIUM, Sheet/ Plate 5383 , Thk 4mm~ 32mm Size 2m x 6m
ALSORAN, KOBELCO, 5052 Thk 5mm~ 1 ” Size 5ft x 10ft
ALJADE, KOBELCO , 5052 Thk 5mm~ 30mm Size 5ft x 10ft
Chemical Composition ( Wt.%)
| Grade | Al | Cr | Cu | Fe | Mg | Mn | Si | Ti | Zn | Other each | Other total |
| 7075 | 87.1 – 91.4 | 0.18 – 0.28 | 1.2 – 2.0 | 0.5 | 2.1 – 2.9 | 0.3 | 0.4 | 0.2 | 5.1 – 6.1 | 0.05 | 0.15 |
| 6061 | 95.8 – 98.6 | 0.04 – 0.35 | 0.15 – 0.40 | 0.7 | 0.8 – 1.2 | 0.15 | 0.4 – 0.8 | 0.15 | 0.25 | 0.05 | 0.15 |
| 5083 | 92.4 – 95.6 | 0.05 – 0.25 | 0.1 | 0.4 | 4.0 – 4.9 | 0.4 – 1.0 | 0.4 | 0.15 | 0.25 | 0.05 | 0.15 |
| 5052 | 95.7 – 97.7 | 0.15 – 0.35 | 0.1 | 0.4 | 2.2 – 2.8 | 0.1 | 0.25 | – | 0.1 | 0.05 | 0.15 |
Mechanical Properties
| Mechanical Properties (Metric) | Aluminium Alloy Grade | |||
| 7075 | 6061 | 5083 | 5052 | |
| Hardness, Brinell | 150 | 95 | 85 | 60 |
| Hardness, Knoop | 191 | 120 | 109 | 83 |
| Ultimate Tensile Strength (Mpa) | 572 | 310 | 317 | 228 |
| Tensile Yield Strength (Mpa) | 503 | 276 | 228 | 193 |
| Elongation at Break (%) | 11 | 12 | 16 | 12 |
| Modulus of Elasticity (Gpa) | 71.7 | 68.9 | 70.3 | 70.3 |
| Poisson’s Ratio | 0.33 | 0.33 | 0.33 | 0.33 |
| Fatigue Strength (Mpa) | 159 | 96.5 | 159 | 117 |
| Fracture Toughness (MPa-m½) | 20 | 29 | 43 | |
| Machinability (%) | 70 | 50 | 30 | |
| Shear Modulus (Gpa) | 26.9 | 26, | 26.4, | 25.9, |
| Shear Strength (Mpa) | 331 | 207 | 190 | 138 |
Physical Properties
| Physical Properties (Metric) | Aluminium Alloy Grade | |||
| 7075 | 6061 | 5083 | 5052 | |
| Density (g/cc) | 2.81 | 2.7 | 2.66 | 2.68 |
| Electrical Resistivity (ohm-cm) | 5.15e-006 | 3.99e-006 | 5.9e-006 | 4.99e-006 |
| CTE, linear 250°C ( µm/m-°C) | 25.2 | 25.2 | 26 | 25.7 |
| Specific Heat Capacity ( J/g-°C) | 0.96 | 0.896 | 0.9 | 0.88 |
| Thermal Conductivity (W/m-K) | 130 | 167 | 117 | 138 |
| Melting Point ( °C) | 477 – 635 | 582 – 652 | 591 – 638 | 607 – 649 |
| Solidus ( °C) | 477 | 582 | 591 | 607 |
| Liquidus ( °C) | 635 | 652 | 638 | 649 |
Processing
| Processing Properties (Metric) | Aluminium Alloy Grade | |||
| 7075 | 6061 | 5083 | 5052 | |
| Annealing Temperature ( °C) | 413 | – | 413 | 343 |
| Solution Temperature ( °C) | 466 – 482 | 529 | – | |
| Aging Temperature ( °C) | 121 | 160 | – | |
| Hot-Working Temperature ( °C) | – | – | 316 – 482 | 260 – 510 |
Applications
Shipbuilding, Rail cars, Vehicle bodies, Tip truck bodies, Mine skips and cages, Pressure vessels,Aircraft fittings, camera lens mounts, couplings, marines fittings and hardware, electrical fittings and connectors, decorative or misc. hardware, hinge pins, magneto parts, brake pistons, hydraulic pistons, appliance fittings, valves and valve parts; bike frames,etc
Referensi:
Metals Handbook, Vol.2 – Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM International 10th Ed. 1990.
Metals Handbook, Howard E. Boyer and Timothy L. Gall, Eds., American Society for Metals, Materials Park, OH, 1985.
Structural Alloys Handbook, 1996 edition, John M. (Tim) Holt, Technical Ed; C. Y. Ho, Ed., CINDAS/Purdue University, West Lafayette, IN, 1996.