5086 H116 Aluminum Plate
5086 H116 Aluminum Plate is a high-magnesium alloy material widely used in shipbuilding, automotive, pressure vessels, and other industries.
5086-H116 aluminum is a high-strength, corrosion-resistant material mainly used in shipbuilding, industrial, and structural applications. It belongs to the 5000 series aluminum alloy and is known for its excellent corrosion resistance (especially in marine environments) and good weldability.
5086 H116 aluminum plate is a marine-grade aluminum alloy, known for its high strength, excellent corrosion resistance (especially in seawater), and good weldability.
5086 aluminum is a non-heat treatable aluminum-magnesium alloy, meaning its strength is mainly achieved through strain hardening (cold working). The H116 temper designation indicates that the material has undergone strain hardening, followed by stress relief, enhancing its resistance to exfoliation corrosion while maintaining reliable mechanical properties to meet demanding application requirements.
5086-H116 achieves its mechanical properties through strain hardening (cold working) rather than heat treatment. This makes it highly suitable for maintaining durability in harsh environments such as shipbuilding, transportation, and industrial applications.
5086 H116 Aluminum Plate Features
- Corrosion resistance: Due to its magnesium content, it performs excellently in marine environments, resisting pitting and exfoliation.
- Weldability: Compatible with MIG, TIG, and resistance welding, maintaining strength after welding.
- Formability: Suitable for bending, stamping, and rolling, but its ductility is not as high as softer alloys like H111.
- Low-temperature performance: Maintains integrity in low-temperature applications (e.g., cryogenic tanks).
Available Sizes of 5086 H116 Aluminum Plate
| Specification Options | Description |
| Thickness Range | Thickness range from 0.063 inches to 2 inches (1.6 mm to 50.8 mm) |
| Maximum Size | Maximum width of 96 inches, maximum length of 240 inches |
| Surface Treatment | Anodizing (enhances appearance and weather resistance), coating treatment, embossed treatment (improves anti-slip and durability) |
| Standards and Certifications | ASTM B209: Aluminum plate and sheet standard. |
| ASTM B928: Specifies requirements for marine-grade plates. | |
| Certified by classification societies (ABS, DNV, LR). | |
| AMS-QQ-A-250/7 and EN 485. |
Features of 5086 H116 Aluminum Plate
Chemical Composition of 5086 H116 Aluminum Plate
With magnesium (3.5% to 4.5%) and manganese (0.20% to 0.7%) as the main alloying elements, chromium content is 0.05% to 0.25%, providing excellent corrosion resistance.
- Silicon: ≤ 0.4%
- Iron: ≤ 0.5%
- Copper: ≤ 0.1%
- Manganese: 0.20–0.70%
- Magnesium: 3.5–4.5%
- Chromium: 0.05–0.25%
- Zinc: ≤ 0.25%
- Titanium: ≤ 0.15%
- Others (each ≤ 0.05%; total ≤ 0.15%)
- Balance: Aluminum
5086 H116 Aluminum Plate Physical Properties
Haomei Aluminum 5086 aluminum supply conditions include H116, H321, etc. The H116 condition improves corrosion resistance through special processing.
- Density: Approximately 2.66–2.70 g/cm³
- Melting Temperature: Around 590–640 °C
- Thermal Conductivity: About 130 W/m‑K
- Modulus of Elasticity: ~68 GPa
5086 H116 Aluminum Plate Mechanical Properties
- Tensile Strength: 290–300 MPa (42, 000–44, 000 psi)
- Yield Strength: 207–215 MPa (30, 000–31, 000 psi)
- Elongation at Fracture: 10–12%
- Hardness (Brinell Hardness): 78–81
- Fatigue Strength: 150 MPa (21, 800 psi)
The H116 temper significantly enhances resistance to exfoliation and intergranular corrosion, making it suitable for marine environments.
5086 H116 Aluminum Plate Core Advantages
- Corrosion Resistance: Especially suitable for marine environments, it resists seawater and saltwater corrosion, meeting classification society certification requirements.
- Weldability: Good weldability, suitable for the manufacture of welded parts for ship structures, automobile bodies, etc.
- Workability: Moderate strength, with formability, can be processed into thin plates, thick plates (e.g., 8–50mm), and irregular shapes.
5086 H116 Aluminum Plate Corrosion Resistance
5086 H116 aluminum material has excellent corrosion resistance, especially in marine environments. Its high magnesium content allows it to withstand corrosion in seawater and humid environments without significant degradation in performance. This makes it an ideal choice for applications such as hulls, ship superstructures, and offshore structures.
Due to its high magnesium content, 5086-H116 aluminum alloy has very strong corrosion resistance, especially in marine environments. It performs excellently in seawater, humid environments, and saltwater applications.
5086 H116 Aluminum Plate Applications
Due to its resistance to seawater corrosion, it is widely used in marine applications (hulls, superstructures, and other ship components).
- Suitable for pressure vessels, automotive structures, and even armored vehicle components.
- Marine: Hulls, decks, offshore platforms, patrol boats, yacht superstructures, and other ships.
- Transport: Truck trailers, tankers, and armored vehicles (e.g., M113 Bradley).
- Industrial: Pressure vessels, drilling platforms, and cryogenic storage tanks.
- Infrastructure: TV towers, bridges, and building components.
- Military: Vehicle armor plates.
5086 H116 Aluminum Plate Manufacturing and Standards
Manufacturing Instructions
- Welding: Compatible with MIG, TIG, and friction stir welding. Post-welding strength is close to annealed (O temper) levels.
- Machinability: Moderate machinability (aluminum alloy grade is 30%).
Manufacturing and Welding
- Weldability: 5086-H116 aluminum can be easily welded using traditional methods such as MIG and TIG. Welding does not significantly reduce its mechanical properties, making it ideal for structural applications.
- Cold Working: The H116 temper indicates that the material has achieved its strength through strain hardening. This tempering process enhances its mechanical properties without the need for heat treatment.
Comparison of 5086 H116 Aluminum Plate with Other Tempered Alloys
- H32: Lower yield strength but better formability.
- H111: Annealed state, offering higher ductility, ideal for deep drawing.
Advantages of 5086 H116 Aluminum Plate Over Similar Alloys
- Higher Strength: Compared to 5052 and 5083 alloys, the strength in the weld zone is only slightly reduced (about 10%).
- Corrosion Resistance: Excellent performance in seawater and industrial environments.
- Formability: Maintains ductility even after strain hardening, allowing for bending and plastic processing.
Limitations of 5086 H116 Aluminum Plate
- Stress Corrosion Cracking: Long-term exposure to high-stress environments increases the risk, limiting its use in aerospace applications.
- Temperature Sensitivity: Mechanical properties degrade above 190°C (374°F).
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