Aluminum sheet 5754 O H111 H112 Marine Grade
Aluminum sheet 5754 O H111 H112 is a high-performance marine-grade aluminum alloy widely used in the marine industry. Renowned for its excellent corrosion resistance and mechanical properties, this alloy serves as an exceptional material choice for various marine applications.
Features
- Corrosion Resistance: Exceptional resistance to seawater and marine environments
- Lightweight: Reduced weight compared to steel, improving vessel efficiency
- Weldability: Good weldability for further fabrication
- Workability: Forms well to produce different shapes and components
Alloy Temper Designation
Aluminum alloys are categorized by their temper designations which denote their heat treatment and mechanical properties. For 5754, the relevant temper designations include:
- O (Annealed): Fully softened, high elongation
- H111: Work-hardened and stabilised but satisfies specific mechanical properties
- H112: Obtained from O, treated to meet tensile properties without additional heat treatment
Physical and Chemical Properties
The 5754 marine alloy contains specific percentages of chemical elements that cater to its marine application requirements and performance.
Chemical Composition
| Element | Cu | Mg | Mn | Si | Fe | Ti | Zr | Cr | Others |
|---|---|---|---|---|---|---|---|---|---|
| 5754 (min/max) | 0.1% | 2.6-3.6% | 0.4-1.0% | 0.4% | 0.7% max | 0.15% max | 0.1% max | 0.1% max | Other elements do not surpass 0.05% each, total of 0.15%. |
Technical Specifications
| Property | Classification | Assessed Parameter |
|---|---|---|
| Alloy Type | Aluminum-Magnesium | Boasts good strength-to-weight ratio |
| Temperature Range | O, H111, H112 | Withstands applications up to 150°C |
| Density | — | 2.68 g/cm³ (General ASTM Method)) |
| Ultimate Tensile Strength (UTS) | H111 (Mpa) | 210 to 250 |
| Yield Strength | H112 (Mpa) | Approximately 195 |
| Elongation | H111 | 13% min |
Implementation Standards
The 5754 aluminum sheet adheres to multiple quality and safety standards playing an essential part in aerospace and marine certifications:
- ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
- EN 573: Standards for Product Standards for Aluminum and Aluminum Alloys
- ISO 6361: Sheet and Plate of Aluminum
Applications
The unique properties of 5754 aluminum make it ideal for various marine applications, including but not limited to:
- Shipbuilding: Application in hulls, superstructures, and deck equipment
- Chemical Tankers: Usage in vital storage and transport components
- Workboats and Fishing Vessels: Reduction of total weight while optimizing durability
- Marine Infrastructure: Constructing docks, pontoons and platforms
Benefits in Marine Applications
- Enhanced Durability: Low maintenance, longer operational lifespan
- Improved Energy Efficiency: Lighter vessels result in less fuel consumption
- Corrosion-Free Durability: No need for protective coatings, reducing long-term care effort
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