The 5083 H116 aluminum alloy is highly regarded in the shipbuilding industry for its outstanding corrosion resistance, high strength, excellent weldability, and low density, making it an ideal choice for producing high-performance ships and marine structures.
What is Marine Grade Aluminum 5083 H116?
Marine grade aluminum 5083 H116 is a specialized alloy specifically developed for marine applications, known for its superior resistance to seawater corrosion and exceptional mechanical strength.
Alloy Composition:
The 5083 alloy is primarily composed of aluminum, magnesium, and manganese, giving it excellent corrosion resistance, especially in saltwater environments.
H116 Temper:
The H116 temper indicates that the alloy has undergone special thermal and mechanical treatment to improve its strength and toughness. In this condition, 5083 aluminum maintains high strength and good ductility, even at low temperatures.
Key Advantages of 5083 H116 Aluminum Alloy
1. Excellent Corrosion Resistance
5083 H116 aluminum offers outstanding resistance to seawater corrosion, making it one of the most durable marine-grade alloys for hulls, decks, and other ship components.
2. High Strength
In the H116 temper, the alloy exhibits high tensile strength while maintaining excellent toughness, even under extreme marine conditions. This makes it ideal for load-bearing and impact-resistant ship structures.
3. Superior Weldability
The alloy's excellent weldability allows for a wide range of welding techniques (including TIG and MIG), ensuring strong, defect-free welded joints-an essential factor in ship fabrication.
4. Low Density
Its lightweight nature significantly reduces vessel weight, leading to better fuel efficiency, improved speed, and enhanced stability, which are key advantages in modern ship design.
5. Good Machinability
5083 aluminum is easy to machine and form, supporting complex and precise ship structures through mechanical processing, bending, and cutting.
6. Excellent Crack Resistance
Even after welding, 5083 H116 maintains excellent crack resistance, ensuring minimal performance loss in welded areas-an important characteristic for maintaining structural integrity.
7. Strong Cold and Hot Forming Capabilities
The alloy performs well in both cold and hot forming operations, avoiding cracking or deformation issues during ship construction, fully satisfying the rigorous demands of the marine industry.
Specifications of 5083 Marine Grade Aluminum Plate Sheet (GNEE – China Supplier)
| Alloy | Temper | Thickness (mm) |
|---|---|---|
| 5083 | O, H111 | 3.00–50.00 |
| 5083 | H22, H32 | 3.00–6.00 |
| 5083 | H116, H321 | 3.00–50.00 |
| 5083 | H112 | 6.00–50.00 |
Chemical Composition of 5083 Marine Grade Aluminum Plate Sheet
| Element | Composition (%) |
|---|---|
| Al | Remainder |
| Si | ≤0.40 |
| Cu | ≤0.10 |
| Mg | 4.0–4.9 |
| Zn | ≤0.25 |
| Mn | 0.40–1.00 |
| Ti | ≤0.15 |
| Cr | 0.05–0.25 |
| Fe | ≤0.40 |
| Note | Single ≤0.05; Total ≤0.15 |
Mechanical Properties of 5083 Marine Grade Aluminum Plate Sheet
| Alloy | Temper | Thickness (mm) | Tensile Strength Rm (MPa) | Yield Strength Rp0.2 (MPa) | Elongation A50 (%) | Elongation A (%) |
|---|---|---|---|---|---|---|
| 5083 | O | 3.00–50.00 | 275–350 | ≥125 | ≥16 | ≥14 |
| 5083 | H111 | 3.00–50.00 | 275–350 | ≥125 | ≥16 | ≥14 |
| 5083 | H22, H32 | 3.00–6.00 | 305–380 | ≥215 | ≥8 | – |
| 5083 | H116 | 3.00–50.00 | ≥305 | ≥215 | ≥10 | ≥10 |
| 5083 | H321 | 3.00–50.00 | 305–385 | ≥215 | ≥12 | ≥10 |
| 5083 | H112 | 6.00–50.00 | ≥275 | ≥125 | ≥12 | ≥10 |
As a leading Chinese supplier, GNEE provides premium-quality 5083 H116 marine aluminum plates that meet international standards. With excellent strength, weldability, and resistance to seawater corrosion, GNEE's 5083 H116 alloy is widely used in shipbuilding, marine engineering, and other high-performance structural applications worldwide.
