- Marine Grade 6061 Aluminum Features
- Specification of Marine Grade Aluminum 6061
- MechanicaProperties for Marine Grade Aluminum Plate 6061
- 6061 Marine Aluminum Alloys Composition
- Marine Grade 6061 Aluminum Applications
The primary alloying elements of marine grade aluminum 6061 are magnesium and silicon, and it is known for its excellent corrosion resistance and strength, making it a popular choice for a variety of marine applications.
Shipbuilding materials require certain strength, weldability and high corrosion resistance. 6061 marine grade aluminum plate is a very suitable shipbuilding material. It is commonly used in marine equipment such as yachts and other general purpose vessels, general structural applications, and in the construction of pressure vessels.
Marine Grade 6061 Aluminum Features
- high strength
- good corrosion resistance
- good weldability
- High toughness
- No deformation after processing
- Good anodizing effect
Specification of Marine Grade Aluminum 6061
The common alloy states of 6061 marine aluminum are 6061-0 (annealed), 6061 T6 (solid solution, artificial aging) and T651 (solid solution, stress relief tensile and artificial aging).
| Alloy | 6061aluminum |
|---|---|
| Temper | O, T4, T6, T651 |
| Thickness(mm) | 0.3-600 |
| Width(mm) | 500-2600 |
| Length(mm) | 500-16000 |
| Final Usage | mast, gangway of ship |
6061 aluminum plate has low density and is lighter than other materials. Therefore, the overall weight of a ship made of 6061 aluminum plates is 15%-20% lighter than a ship made of steel plates. In this way, fuel consumption will be greatly reduced and the speed will be faster.
When a ship is exposed to the sun and wind, and is moored in the water or at sea all year round, the paint will definitely peel off. Using 6061 aluminum can reduce maintenance times. 6061 aluminum marine has good welding performance, the fallen parts can be easily welded, and safety can be guaranteed.
MechanicaProperties for Marine Grade Aluminum Plate 6061
| Alloy | 6061 |
|---|---|
| Tensile Strength σb(Mpa) | Min.310 |
| Yield Strength σ 0.2(Mpa) | Min.276 |
| Elongation(δ5%) | Min.14 |
6061 Marine Aluminum Alloys Composition
| Alloy | 6061 | |
|---|---|---|
| Si | 0.4-0.8 | |
| Fe | 0.7 | |
| Cu | 0.15-0.40 | |
| Mn | 0.15 | |
| Mg | 0.8-1.2 | |
| Cr | 0.04-0.35 | |
| Ni | - | |
| Zn | 0.25 | |
| Ti | 0.15 | |
| Ga | - | |
| Others | Each | 0.05 |
| Toal | 0.15 | |
Marine Grade 6061 Aluminum Applications
Marine Grade 6061 Aluminum is widely used in the construction of different ships such as catamarans, sailboats, containers, and ship decks.
- 1. Marine Grade 6061 Aluminum for Shipbuilding: 6061 aluminum is commonly used to build hulls, decks and other structural components. Its high strength-to-weight ratio helps create lightweight yet durable boats.
- 2. Marine Grade 6061 Aluminum for Marine Hardware: Various marine hardware such as cleats, hatch covers and fittings are made from marine grade 6061 aluminum because of its corrosion resistance and durability.
- 3. Marine Grade 6061 Aluminum for Mast and Rigging: Sailboat masts and rigging components benefit from the lightweight properties of 6061 aluminum, providing structural integrity without adding unnecessary weight to the vessel.
- 4. Marine Grade 6061 Aluminum for Pontoons and Piers: Marine-grade 6061 aluminum is suitable for pontoon and pier structures because it resists the corrosive effects of salt water and other harsh marine conditions.
- 5. Marine Grade 6061 Aluminum for Fishing equipment: Components of fishing equipment, including rod holders, frames and brackets, can be made of this aluminum alloy due to its corrosion-resistant properties.
- 6. Marine Grade 6061 Aluminum for Marine Railings and Ladders: Handrails, ladders, and other safety features on ships often use 6061 aluminum because of its combination of strength and corrosion resistance.
- 7. Marine Grade 6061 Aluminum for Marine platforms and walkways: Marine grade 6061 aluminum is used to construct platforms and walkways on boats, providing a strong and corrosion-resistant surface for a variety of activities.
- 8. Marine Grade 6061 Aluminum for Underwater components: Some marine applications may involve components submerged underwater. The corrosion resistance of 6061 aluminum makes it suitable for such applications as underwater frames and brackets.
6061 aluminum is a versatile alloy that is widely used in marine applications due to its excellent corrosion resistance, good mechanical properties, and ease of fabrication. Here's a detailed breakdown of the different parts of yachts and other marine equipment, the type of 6061 aluminum selected for these parts, the reasons for the selection, and the specifications commonly used:
Marine Grade 6061 Aluminum for Yacht Hulls
Type: 6061-T6
Reason for Selection:
- Corrosion Resistance: 6061-T6 has excellent resistance to seawater and marine atmosphere.
- Strength-to-Weight Ratio: Provides a good balance of strength and weight, making it suitable for hulls that need to be both strong and lightweight.
- Weldability: 6061-T6 can be welded effectively, which is crucial for hull construction.
Specifications:
- Thickness: Typically ranges from 6mm to 12mm depending on the size and type of the yacht.
- Width: Can range from 1000mm to 2500mm.
- Length: Usually available in lengths up to 6000mm.
Marine Grade 6061 Aluminum for Ship Air Conditioners
Type: 6061-T6
Reason for Selection:
- Corrosion Resistance: Essential to withstand the humid and salty environment.
- Machinability: 6061-T6 is easy to machine, allowing for precise manufacturing of air conditioning components.
- Thermal Conductivity: Good thermal properties help in the efficient functioning of the air conditioning system.
Specifications:
- Thickness: 1mm to 3mm.
- Width and Length: Standard sheet sizes such as 1000mm x 2000mm or customized sizes as required.
Marine Grade 6061 Aluminum for Cable Trays
Type: 6061-T6 or 6061-O (annealed)
Reason for Selection:
- Corrosion Resistance: Prevents degradation over time due to exposure to marine environments.
- Strength: 6061-T6 provides sufficient strength to support cables, while 6061-O offers better formability for intricate tray designs.
- Ease of Fabrication: Both tempers are suitable for forming and bending processes used in tray construction.
Specifications:
- Thickness: 2mm to 4mm.
- Width: 200mm to 600mm.
- Length: Standard lengths are 3000mm or customized as needed.
Marine Grade 6061 Aluminum for Tanks (e.g., Fuel, Water)
Type: 6061-T6
Reason for Selection:
- Corrosion Resistance: Critical to prevent contamination and corrosion from the stored liquids.
- Weldability: Ensures strong and leak-proof joints.
- Strength: 6061-T6 provides the necessary strength to withstand internal pressures.
Specifications:
- Thickness: 3mm to 10mm.
- Width and Length: Customized sizes depending on tank dimensions and capacity.
Marine Grade 6061 Aluminum for Cabin Floors
Type: 6061-T6 or 6061-T651
Reason for Selection:
- Durability: 6061-T6 and T651 offer high strength and durability, essential for floors subjected to constant foot traffic.
- Corrosion Resistance: Prevents degradation from exposure to moisture.
- Formability: These tempers can be easily formed into the required floor shapes.
Specifications:
- Thickness: 4mm to 8mm.
- Width: Standard widths such as 1220mm.
- Length: Typically up to 2440mm or customized as needed.
General Structural Applications and Pressure Vessel Construction
Type: 6061-T6 or 6061-T651
Reason for Selection:
- Strength: High strength-to-weight ratio makes it ideal for structural components.
- Corrosion Resistance: Protects against marine environmental factors.
- Versatility: Can be used in a variety of structural applications, from framing to supports.
Specifications:
- Thickness: Varies widely depending on the specific application, typically 5mm to 20mm for structural elements.
- Width and Length: Customized to the requirements of the structure, with common sizes being 1500mm x 3000mm.
