In the challenging offshore marine environment, the demand for materials that combine durability, corrosion resistance, and lightweight properties is ever-increasing. 5052 Marine Aluminum Hollow Bars emerge as an excellent solution, specifically designed to meet the rigorous requirements of offshore marine vessel parts. These hollow bars deliver superior performance by reducing structural weight while maintaining strength, making them ideal for various marine applications.
Composition and Chemical Properties
The 5052 aluminum alloy is known for its excellent corrosion resistance, particularly against seawater and salt spray, making it exceptionally suitable for marine environments.
| Element | Composition (%) |
|---|---|
| Aluminum | Balance |
| Magnesium (Mg) | 2.2 – 2.8 |
| Chromium (Cr) | 0.15 – 0.35 |
| Iron (Fe) | ≤ 0.4 |
| Copper (Cu) | ≤ 0.1 |
| Manganese (Mn) | ≤ 0.1 |
| Silicon (Si) | ≤ 0.25 |
| Zinc (Zn) | ≤ 0.1 |
Mechanical Properties
| Property | Typical Value | Test Standard |
|---|---|---|
| Tensile Strength (MPa) | 228 – 270 | ASTM B557 |
| Yield Strength (MPa) | 193 – 228 | ASTM B557 |
| Elongation (%) | 10 – 17 | ASTM B557 |
| Hardness (HB) | 60 – 75 | ASTM E10 |
| Density (g/cm³) | 2.68 | - |
| Modulus of Elasticity (GPa) | 70 | - |
Features of 5052 Marine Aluminum Hollow Bars
1. Superior Corrosion Resistance
The high magnesium content, coupled with chromium, gives 5052 alloy outstanding resistance to seawater corrosion and weathering. This ensures a longer service life in marine atmospheres where salt spray, humidity, and water immersion are common.
2. Lightweight with High Strength
Being an aluminum alloy, 5052 hollow bars significantly reduce the weight compared to steel equivalents, enhancing fuel efficiency and vessel performance without compromising strength requirements.
3. Excellent Fabricability
These bars exhibit excellent weldability, machinability, and formability, allowing off-shore parts to be manufactured with complex geometries and tough dimensional tolerances.
4. Low Thermal Expansion and High Fatigue Strength
This alloy manages thermal stresses well, which is crucial for offshore machinery parts encountering cyclic loads and varying temperature conditions.
5. Hollow Structure Benefits
The hollow design reduces weight further while maintaining high bending stiffness, offering optimized material use for robust but light structural applications.
Typical Dimensions and Specifications
| Outer Diameter (mm) | Inner Diameter (mm) | Length (mm) | Tolerance (mm) |
|---|---|---|---|
| 20 – 100 | 10 – 80 | Customizable 1000 – 6000 | ±0.2 |
(Custom profiles available on demand)
Applications in Offshore Marine Vessel Parts
Despite harsh marine conditions, 5052 Marine Aluminum Hollow Bars are employed broadly, especially in such critical components:
- Ship Deck Components: Lightweight rails, structural supports, and framing elements that require corrosion performance without excessive weight.
- Marine Hydraulic Cylinders: Providing precise dimensional stability and excellent pressure resistance.
- Subsea Equipment Housings: Resistant to seawater corrosion ensuring longevity for electronic housings and enclosures.
- Pump and Valve Body Assemblies: Corrosion-resistant and strong for hydraulic valve bodies in offshore rigs.
- Marine Electrical Enclosures and Panels: Providing rust-resistant casings for control and instrumentation panels around marine vessels.
- Marine Seats and Rails: Comfortable and durable structural components benefiting from reduced corrosion maintenance.
- Boat Hull Reinforcement Structures: Optimized stiffness and lightness improve navigational safety and fuel economy.
Why Choose 5052 Marine Aluminum Hollow Bars from Us?
- Stringent Quality Checks: Fully compliant with ASTM and EN standards ensuring dimensional, chemical, and mechanical consistency.
- Customization: Offering precision machining, cutting, and finishing services based on your project-specific requirements.
- Technical Support: Our engineering team can recommend optimal design and purification choices for longevity and performance.
- Competitive Pricing & Timely Delivery: Ensuring project schedules and budgets are met without compromising material quality.
