5086 Aluminum Angle
5086 aluminum angle is an L-shaped structural profile made from 5086 aluminum alloy, featuring medium strength, excellent corrosion resistance, and weldability.
5086 aluminum angle is a high-strength marine-grade alloy primarily composed of aluminum and magnesium. This alloy is known for its excellent corrosion resistance, especially in seawater environments, and is commonly used in ship hulls, pressure vessels, and tanks, among other applications.
Haomei Aluminum, as a leading supplier of 5086 aluminum alloy angles, provides a full range of sizes in 5086-H111 structural angles, suitable for marine ladders, pressure vessels, and transportation equipment. The products are renowned for their excellent seawater corrosion resistance, high weldability, and medium-high strength. We support customized cutting and pre-processing services to ensure fast delivery and project efficiency. With certifications such as ASTM and MIL, we guarantee quality and global export availability.
5086 Aluminum Angle Characteristics
| Characteristics | Description |
| Corrosion Resistance | Excellent resistance to saltwater and acidic environments, making it an ideal choice for marine applications such as ship hulls, ladders, and offshore structures. It is more resistant to stress corrosion cracking than many other aluminum alloys. |
| Common Tempers | Includes H111 (strain-hardened and stabilized), H32, and H116 (optimized for marine applications). |
| Weldability | Can be easily welded using TIG, MIG, or friction stir welding. Even in the hardened tempers, the welded joints retain approximately 90% of their strength. |
| Formability and Machinability | Good cold working characteristics, especially in the O temper (annealed state). With proper lubrication, it can be processed in hardened tempers (such as H34, H36). |
5086 Aluminum Angle Chemical Composition
5086 aluminum angle is a high-strength, non-heat-treatable alloy primarily composed of aluminum (95.4%) and magnesium (3.5-4.5%), with additions of manganese, chromium, and other elements. The alloy is strengthened by strain hardening (cold working) and is widely recognized for its excellent corrosion resistance (especially in marine environments) and versatility in structural and industrial applications.
The typical composition of 5086 aluminum alloy is as follows:
- Magnesium (Mg): 3.5–4.5%
- Manganese (Mn): 0.2–0.7%
- Chromium (Cr): 0.05–0.25%
- Copper (Cu): ≤0.1%
- Iron (Fe): ≤0.5%
- Silicon (Si): ≤0.4%
- Zinc (Zn): ≤0.25%
- Titanium (Ti): ≤0.15%
- Aluminum (Al): Remainder
5086 Aluminum Angle Mechanical Properties
The mechanical properties of 5086 aluminum vary by temper:
- Tensile Strength: 275–350 MPa
- Yield Strength: 125 MPa (minimum)
- Hardness (Brinell): 75 HB
- Elongation: ≥12%
These properties make it suitable for structural applications requiring high strength and durability.
5086 Aluminum Angle Physical Properties
Density: 0.096 lb/in³ (2.66 g/cm³); Melting Point: 1, 085–1, 185°F (585–641°C).
5086 Aluminum Angle Sizes and Specifications
| Specification | Description |
| Equal Leg Angle | Size range: 0.5 inches × 0.5 inches × 1/8 inch to 8 inches × 8 inches × 1 inch; Weight range: 0.131 lbs/ft to 17.667 lbs/ft. |
| Unequal Leg Angle | Size range: 2 inches × 1 inch × 1/8 inch or 3 inches × 2.5 inches × 1/4 inch; Radii (R1 and R2) variable to ensure structural integrity. |
| Standards | ASTM B211 (Bar), B221 (Extrusions), ASME SB211, and Military Specifications (e.g., MIL C-26094). |
| Available Sizes | Common sizes: 1 inch × 1 inch × 1/8 inch, 2 inches × 2 inches × 1/4 inch, and 3 inches × 3 inches × 1/4 inch. |
| Tempers | Available in H111 and H32 tempers to meet various application requirements. |
5086 Aluminum Angle Applications
Applications of 5086 Aluminum Angle in the Marine Field
Shipbuilding: Hulls, yacht components, gangways, and offshore oil drilling platforms.
Shipbuilding and Marine Engineering: Used in hull frames, deck supports, and other structural components, resistant to seawater corrosion and stable performance after welding.
- Ship and yacht hulls
- Pressure vessels and storage tanks
- Cryogenic equipment
- Offshore structures
- Transport equipment
- Armor plates
What Other Fields is 5086 Aluminum Angle Used In?
- Transport: Armored vehicles, rail vehicles, and trailers.
- Structures: Pressure vessels, transmission towers, building frames, and scaffolding.
- Industry: Cryogenic equipment, drilling platforms, and uncured pressure vessels.
Used as the body framework or connection components for automobiles and rail vehicles, reducing weight while meeting strength requirements.
5086 Aluminum Angle Manufacturing and Welding
5086 aluminum alloy is not heat treatable and can be strengthened by cold working processes. It has excellent weldability, maintaining most of its mechanical strength after welding. Common welding methods include MIG and TIG welding, and friction stir welding can also be used.
5086 Aluminum Angle Processing
- Weldability: Supports various processes such as TIG welding, laser welding, etc., with high weld strength and resistance to cracking.
- Weather Resistance: The surface can be anodized to enhance protection, maintaining stability even after prolonged exposure to humid or salt-spray environments.
- Customizability: Custom aluminum angles with different thicknesses and lengths can be provided according to requirements, adapting to complex structural designs.
Manufacturing and Testing
- Processing: Extruded into angle sections, typically pre-cut or welded into modular components for assembly.
- Testing: Includes hardness, ultrasonic, and third-party inspections to ensure compliance with ASTM/ASME standards.
Advantages and Considerations of 5086 Aluminum Angle
Advantages:
- Lightweight and durable, with a high strength-to-weight ratio.
- More cost-effective than stainless steel in harsh environments.
Considerations:
- Avoid prolonged exposure to high temperatures (>212°F) to prevent softening.
- Use compatible fasteners to prevent electrochemical corrosion in marine environments.
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