Aluminum 2618-T61
Products Description Aluminum 2618 Material properties for 2618A aluminum forging Characteristics of 2618A aluminum forgings? Heat resistance is another area where 2618-T61 aluminum truly shines. The T61 treatment further bolsters the alloy's capacity to withstand elevated temperatures...
Description
Products Description
Aluminum 2618
| FORGING | TYPE | MAX WEIGHT | MAX DIMENSION |
| Open Die Forging | Cube | ≤9T | Length≤7000mm, Width≤2000mm, Height≤500mm |
| Disk | ≤5T | Diameter≤2500mm | |
| Ring | ≤5T | Outer diameter of quenching parts≤2500mm, Outer diameter of non-quenching parts≤4000mm, Height≤500mm |
|
| Cylinder | ≤5T | Outer diameter 200-800mm, Length≤2000mm; Outer diameter 801-2000mm, Length≤1500mm; |
|
| Axle | ≤8T | Length≤7000mm, Diameter≤800mm |
|
| Backward Extrusion | Forged Pipe | Outer diameter≤830mm, Inner diameter≤650mm, Length≤1800mm |
|
| Closed Die Forging | Common Closed Die Forgings | - | PVA≤3.0㎡(Diameter≤1950mm) |
| Complex Closed Die Forgings | - | PVA≤1.5㎡(Diameter≤1400mm) |
| Element | Composition(%) |
| Aluminum (Al) | 93.0-95.0 |
| Copper (Cu) | 2.20-2.80 |
| Iron (Fe) | 0.30 max |
| Magnesium (Mg) | 1.50-2.50 |
| Manganese (Mn) | 0.10 max |
| Silicon (Si) | 0.50-0.90 |
| Zinc (Zn) | 0.20 max |
| Titanium (Ti) | 0.10 max |
| Chromium (Cr) | 0.10 max |
| Other Elements | 0.05 max each, 0.15 max total |
Material properties for 2618A aluminum forging
| Material Specification | Density (g/cm3) | Melting Point (°C) | Thermal Conductivity (W/mK) | Coefficient of Thermal Expansion (10-6/K) |
| DTD 717A 2618A-T6 Forging Stock and Forgings | 2.78 | 515-635 | 127 | 23.2 |
| DTD 731B 2618 T6 Forging Stock and Forgings | 2.78 | 515-635 | 127 | 23.2 |
| AMS 4132 2618-T61 Die & Hand forgings | 2.78 | 515-635 | 127 | 23.2 |
Characteristics of 2618A aluminum forgings?
Heat resistance is another area where 2618-T61 aluminum truly shines. The T61 treatment further bolsters the alloy's capacity to withstand elevated temperatures without compromising its mechanical properties. In industrial gas turbines, for instance, where parts are exposed to searing heat for prolonged periods, 2618-T61 aluminum is used to fabricate critical components like turbine blades and combustion chamber liners. It not only resists deformation under the intense thermal stress but also helps in maintaining the efficiency of the turbine by ensuring proper heat transfer and containment.
The alloy's fatigue resistance is also enhanced post-T61 treatment. It can endure repeated loading and unloading cycles, typical in applications like automotive suspension systems and heavy machinery parts, without succumbing to premature failure. This durability factor reduces maintenance requirements and extends the service life of the components made from it.
In addition, despite its enhanced strength and heat resistance, 2618-T61 aluminum retains a certain level of machinability. Skilled technicians can use conventional machining tools to shape it according to specific design needs, be it for intricate fittings in electronics enclosures or custom brackets in construction machinery.
From a corrosion protection standpoint, while not immune to all corrosive agents, with appropriate surface treatments such as anodizing or specialized coatings, it can hold its own in various environments, from the humid conditions of a coastal power plant to the chemically active surroundings of a manufacturing facility. Overall, Aluminum 2618-T61 is a powerhouse material that continues to fuel innovation and reliability across multiple industries.
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