Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of 5086 Aluminum Sheet | Marine Grade Aluminum Plate Supplier & Manufacturer in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
5086 Aluminum Sheet is a marine-grade, high-magnesium alloy with excellent corrosion resistance and good weldability, making it ideal for marine and structural applications. The alloy is non-heat-treatable and strengthened through cold working (H32/H34 temper).
Typical thickness ranges from 1.0 mm to 6.0 mm, with standard width 1000–2000 mm and length 2000–6000 mm, customizable for project requirements. Protective films are available to prevent scratches during handling and fabrication.
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5086 Aluminum Sheet & Plate Overview
5086 aluminum sheet is a high-magnesium aluminum alloy belonging to the 5xxx series aluminum family. It is widely recognized as one of the best marine-grade aluminum alloys available for shipbuilding and offshore engineering applications.
Compared with 5052 aluminum sheet, 5086 aluminum plate offers significantly higher strength while maintaining excellent corrosion resistance in saltwater environments. Unlike heat-treatable alloys, 5086 achieves its mechanical strength through strain hardening, making it highly suitable for welded structural applications.
As an experienced 5086 aluminum sheet supplier, Xi'an Dongmeng Group Co., Ltd manufactures and exports ASTM B209 5086 aluminum plate for marine, transportation, defense, and industrial projects worldwide.
Products Description
Product Name: 5086 Aluminum Sheet
Alloy: 5086
Temper: H32 / H34
Thickness: 1.0–6.0 mm
Width: 1000–2000 mm
Length: 2000–6000 mm
Surface Finish: Mill / Brushed / Polished
Standard: ASTM B209, EN 485, ISO 209
Applications: Marine Hulls, Boat Panels, Offshore Platforms, Pressure Vessels, Structural Components
Key Features: Excellent Corrosion Resistance, Good Weldability, Moderate Strength, Suitable for Marine Environments
Product Specifications – 5086 Aluminum Sheet
| Item | Specification |
|---|---|
| Product Name | 5086 Aluminum Sheet |
| Alloy | 5086 |
| Temper | H32 / H34 |
| Thickness | 1.0–6.0 mm (0.039–0.236 in) |
| Width | 1000–2000 mm (custom available) |
| Length | 2000–6000 mm (custom available) |
| Surface Finish | Mill / Brushed / Polished |
| Protective Film | PE Film / Laser Film (Optional) |
| Flatness | High flatness, free from waves or scratches |
| Mechanical Properties | Tensile: 275–305 MPa, Yield: 125–215 MPa, Elongation: 12–18% |
| Corrosion Resistance | Excellent in seawater and marine atmosphere |
| Standards | ASTM B209, EN 485, ISO 209 |
| Typical Applications | Marine hulls |
| Packaging | PE Film + Kraft Paper + Wooden Pallet |
Chemical Composition – 5086 Aluminum Sheet
| Element | Content (%) |
|---|---|
| Magnesium (Mg) | 3.5 – 4.5 |
| Manganese (Mn) | 0.20 – 0.70 |
| Chromium (Cr) | 0.05 – 0.25 |
| Silicon (Si) | ≤0.40 |
| Iron (Fe) | ≤0.50 |
| Copper (Cu) | ≤0.10 |
| Zinc (Zn) | ≤0.25 |
| Titanium (Ti) | ≤0.15 |
| Aluminum (Al) | Balance |
Mechanical Properties
| Temper | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|
| O | 275 MPa | 125 MPa | 20% |
| H111 | 290 MPa | 145 MPa | 16% |
| H116 | 315 MPa | 215 MPa | 12% |
| H32 | 310 MPa | 228 MPa | 10% |
Physical Properties
| Property | Value |
|---|---|
| Density | 2.66 g/cm³ |
| Melting Point | 570–640°C |
| Thermal Conductivity | 117 W/m·K |
| Electrical Conductivity | 30% IACS |
| Modulus of Elasticity | 71 GPa |
| Coefficient of Thermal Expansion | 23.8 ×10⁻⁶/K |
Machinability Analysis
5086 aluminum plate exhibits moderate machinability compared with 6xxx-series alloys.
Machining Characteristics
Good CNC milling performance
Suitable for waterjet cutting
Excellent drilling capability
Stable dimensional accuracy
Reduced tool wear compared with steel
Recommended for:
CNC machined marine components
Structural support parts
Heavy-duty aluminum fabrications
Weldability Analysis
One of the strongest advantages of 5086 aluminum sheet is its exceptional weldability.
Suitable Welding Methods
MIG Welding
TIG Welding
Friction Stir Welding
Welding Benefits
Minimal cracking tendency
Excellent post-weld strength retention
Suitable for large marine structures
High structural integrity
This makes 5086 aluminum plate a preferred material for ship hulls and offshore platforms.
Corrosion Resistance Analysis
5086 aluminum is specifically designed for harsh marine environments.
Corrosion Resistance Features
Outstanding seawater corrosion resistance
Excellent resistance to industrial atmosphere
Good resistance to chemical exposure
Superior performance in offshore environments
Compared with Other Alloys
| Alloy | Marine Resistance |
|---|---|
| 5052 | Good |
| 5083 | Excellent |
| 5086 | Excellent |
| 6061 | Moderate |
Production Capability
Available Forms
Aluminum Sheet
Aluminum Plate
Aluminum Coil
Cut-to-Size Plate
Manufacturing Services
Precision Cutting
CNC Machining
Waterjet Cutting
Surface Protection Film
Export Packaging
Export Markets
North America
Europe
Southeast Asia
Middle East
Australia
Applications – 5086 Aluminum Sheet
Marine & Offshore: Ship hulls, decks, yacht panels, offshore platforms
Structural Components: Pressure vessels, lightweight frames, load-bearing structures
Industrial Equipment: Panels, covers, tanks
Other Uses: Coastal construction, corrosion-resistant structural applications
Quick Buyer Decision Guide – 5086 Aluminum Sheet
| Feature | Recommendation | Notes / Buyer Guidance |
|---|---|---|
| Strength Requirement | Moderate to high | H32 temper offers good yield strength for structural marine applications. Ideal for hulls, offshore platforms, and load-bearing panels. |
| Corrosion Resistance | Critical | Excellent resistance in seawater and marine atmosphere. Recommended for marine and coastal environments. |
| Weldability | Required | 5086 has excellent weldability for TIG, MIG, and arc welding. Minimal heat-affected zone cracking. |
| Fabrication | Bending, cutting, forming | Non-heat-treatable alloy. Strength achieved through cold working. Suitable for complex panels and structural shapes. |
| Surface Finish Requirement | Mill / Brushed / Polished | Protective films available to avoid scratches. Suitable for visible panels and marine finishes. |
| Typical Applications | Marine hulls, decks, yacht panels, offshore platforms, structural components | Select H32 for standard marine load-bearing parts; H34 for slightly higher strength requirements. |
| Thickness Range | 1.0–6.0 mm | Can be customized based on structural requirements or fabrication limits. |
| Compliance / Standards | ASTM B209, EN 485, ISO 209 | Ensures quality and consistency for international projects. |
| Budget Considerations | Moderate | 5086 is cost-effective for high-corrosion, moderate-strength applications. Slightly lower cost than 5083 in some regions. |
| Buyer Tip | Consider alloy vs. environment | If seawater exposure is extreme or welding is intensive, 5086 H32/H34 is a safe choice. Use this guide to compare with 5083 or 5052 if higher strength or different corrosion resistance is needed. |
Buyer Guidance Summary:
Use 5086 H32 for most marine applications with standard structural requirements.
Use 5086 H34 for slightly higher load-bearing marine panels.
Always check thickness, width, and surface finish according to your fabrication and project needs.
Compatible with welding, bending, and forming, making it versatile for complex marine structures.
Inspection & Quality Assurance
At Xi'an Dongmeng Group Co., Ltd, every batch of 5086 aluminum sheet undergoes strict quality verification before shipment.
Quality Control Procedures
✔ Raw Material Inspection
✔ Chemical Composition Analysis
✔ Mechanical Property Testing
✔ Ultrasonic Testing (UT)
✔ Surface Quality Inspection
✔ Flatness Measurement
✔ Dimensional Verification
✔ Packaging Inspection
Third-Party Inspection Available
SGS
BV
TÜV
DNV
Intertek
Mill Test Certificates (MTC EN10204 3.1) are available upon request.
Packaging & Shipping
Export Packaging Standards
Wooden pallets
Fumigation-free export crates
Waterproof wrapping
Anti-corrosion protection
Edge protection systems
Shipping Methods
Container Shipment
Break Bulk Shipment
Air Freight
Multimodal Logistics
Why Choose Us
Factory Direct Supply
Competitive pricing without trading intermediaries.
Full Size Inventory
Large stock availability for standard marine grades.
Global Export Experience
Serving shipyards, EPC contractors, and distributors worldwide.
Customized Processing
Cut-to-size, CNC machining, and project-specific fabrication.
Strict Quality Control
Comprehensive inspection system with third-party certification support.
Fast Quotation
Professional response within 24 hours.
Contact Us
We are ready to provide you with high-quality aluminum sheets for your marine, architectural, or industrial projects. Contact us today!
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ – 5086 Aluminum Sheet
Q1: What thicknesses are available for 5086 aluminum sheets?
A: Standard thickness ranges from 1.0 mm to 6.0 mm, and custom thicknesses can be supplied to meet project requirements.
Q2: What tempers are available for 5086 sheets?
A: H32 and H34 are the most common, offering good strength and excellent corrosion resistance for marine and structural applications.
Q3: What surface finishes are offered?
A: Mill finish, brushed, polished. Protective films are available to prevent scratches during handling and transport.
Q4: Is 5086 aluminum sheet suitable for welding?
A: Yes, it has excellent weldability with TIG, MIG, or arc welding, and maintains good corrosion resistance in welded areas.
Q5: Can 5086 sheets be anodized or painted?
A: Yes, anodizing or PVDF coating is possible, but 5086 is mostly used in as-milled or polished form for marine and structural applications.
Q6: What standards does 5086 aluminum sheet meet?
A: ASTM B209, EN 485, ISO 209 – ensuring high-quality and international compliance.
Q7: Are custom sizes available?
A: Yes, both width and length can be customized according to your project requirements.
Q8: How is the product packed for export?
A: Sheets are packed with PE protective film + kraft paper + wooden pallet, making it seaworthy and ready for international shipping.
Q9: What are typical applications of 5086 aluminum sheet?
A: Marine hulls, boat panels, offshore platforms, pressure vessels, structural components, and coastal construction projects.
Q10: What makes 5086 better than other 5xxx series alloys?
A: 5086 offers excellent corrosion resistance, moderate to high strength, and good weldability, making it ideal for marine and structural applications where durability and performance are critical.
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