6061 marine-grade aluminum round bars are paramount in the design and construction of custom boat hulls. Known for their excellent strength-to-weight ratio, corrosion resistance, and versatility, these round bars are an ideal choice for marine engineers and boat builders seeking durable and long-lasting materials.
Features
- High Strength and Lightweight: With excellent tensile and yield strength, 6061 aluminum provides structural integrity essential for boat hulls while also being much lighter than other materials such as steel.
- Corrosion Resistance: The alloy’s inherent corrosion resistance impedes oxidation, preserving the integrity of your boat in marine environments.
- Machinability: 6061 alloy is easily machinable, allowing for custom fabrication into various shapes and sizes suited to specific design requirements.
- Weldable: This alloy type is highly weldable—it can be easily employed in applications requiring welding.
Chemical Composition
Below is the chemical composition for the 6061 aluminum alloy as defined by the Aluminum Association:
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Aluminum (Al) | 95.85 | Balance |
| Silicon (Si) | 0.4 | 0.8 |
| Iron (Fe) | - | 0.7 |
| Copper (Cu) | 0.15 | 0.4 |
| Manganese (Mn) | 0.15 | 0.6 |
| Magnesium (Mg) | 0.8 | 1.2 |
| Chromium (Cr) | 0.04 | 0.35 |
| Zinc (Zn) | - | 0.25 |
| Titanium (Ti) | - | 0.15 |
Technical Specifications
Mechanical Properties
The mechanical properties of 6061 marine aluminum are crucial for ensuring the safety and longevity of marine structures:
| Property | Typical Value | Unit |
|---|---|---|
| Yield Strength | 275 | MPa |
| Ultimate Tensile Strength | 310 | MPa |
| Elongation Rate | 12 | % |
| Modulus of Elasticity | 68.9 | GPa |
| Hardness (Brinell) | 95 | HB |
Dimensional Properties
Essential dimensions ensure the 6061 aluminum round bar features unify well with construction requirements.
| Diameter | Standard Length Available | Length Scale |
|---|---|---|
| ¼” | 12, 20, 24 feet | Feet |
| ½” | 12, 20, 24 feet | Feet |
| 1” | 12, 20, 24 feet | Feet |
| 2” | 12, 20 feet | Feet |
Applications
6061 marine aluminum round bars are applicable in various settings:
- Boat Hull Construction: Fundamental for constructing both recreational and heavy-duty boat hulls due to superior strength.
- Structural Components: Used in rolling tubing, deck structures, masts, and other structural parts within marine environments.
- Brackets and support frames: Ideal for creating brackets, supports, and frames.
- High-performance Wind Turbines: Used not only for marine craft but increasingly in the renewable infrastructure including the shell casing due to its barriers against aggressors in marine climates.
