5086 H111 Round Bar
5086-H111 round bar is a cylindrical metal bar made from 5086 aluminum alloy as the base material, which is treated in the H111 temper state. 5086 aluminum alloy is primarily alloyed with magnesium, offering medium strength, excellent corrosion resistance, and weldability, making it ideal for welded structural components. The H111 temper indicates that the material has been partially annealed after being strain-hardened, placing it in a semi-hardened state.
The 5086 H111 round bar is a marine-grade alloy known for its excellent corrosion resistance (especially in saltwater environments) and suitability for welding and forming. This makes it the material of choice for the shipbuilding industry, including for hulls, ladders, and pressure vessels.
The 5086-H111 round bar, with its three key advantages—corrosion resistance, weldability, and lightweight—has become the preferred material in marine engineering, transportation, and other fields. If higher strength is required, consider upgrading to the H116/H321 temper; for extreme corrosion resistance, the 5083 alloy is recommended.
H111 represents a combination of strain hardening (lower than H11) and partial annealing, balancing ductility and strength. It ranks second in ductility among 5086 temper states and is suitable for forming and machining.
Corrosion Resistance: Performs excellently in marine environments (seawater and salt fog) and is the material of choice for shipbuilding and offshore structures.
Haomei Aluminum, as a professional aluminum alloy material manufacturer, provides 5086 H111 aluminum alloy round bars, specially designed for harsh environments, suitable for shipbuilding, marine engineering, and industrial structural fields. Our products are processed using the H111 tempering process, combining strain hardening with low-temperature heat treatment to ensure the material has both high tensile strength and excellent corrosion resistance (especially in seawater environments), while maintaining good weldability and machinability.
5086 H111 Round Bar Mechanical Properties
- Yield Strength: Approx. 120 MPa (17.4 ksi)
- Ultimate Tensile Strength: Approx. 270 MPa (39.2 ksi)
- Elongation at Break: 16%
- Brinell Hardness: 65
- Modulus of Elasticity: 68 GPa
- Shear Strength: 170 MPa
- Fatigue Strength: 100 MPa
5086 H111 Round Bar Physical Properties
- Density: 2.66 g/cm³
- Thermal Conductivity: 120–140 W/m·K
- Specific Heat: 900 J/kg·K
- Electrical Conductivity: 17–19 m/Ω·mm²
- Coefficient of Thermal Expansion: 22–25.8 × 10⁻⁶/K
5086 H111 Round Bar Alloy Composition
Primarily composed of aluminum (93-96.3%), magnesium (3.5-4.5%), manganese (0.2-0.7%), chromium (0.05-0.25%), as well as trace amounts of iron, silicon, zinc, and titanium. This composition enhances weldability, corrosion resistance, and formability.
5086 H111 Round Bar Characteristics
- Corrosion Resistance: Especially suitable for marine environments (resistant to seawater and salt fog corrosion), making it an ideal choice for shipbuilding and offshore platforms.
- Lightweight: With a density of about 2.66 g/cm³, it's approximately 1/3 lighter than steel but has strength similar to low-carbon steel.
- Weldability: Superior to most aluminum alloys (such as 5052, 5005), it can be directly used in welded structures.
5086 H111 Round Bar Manufacturing and Welding
5086 H111 aluminum is cold-processed and strain-hardened, with no need for heat treatment to increase strength. Its excellent weldability supports various welding methods, including MIG, TIG, and friction stir welding. Notably, welding does not significantly reduce its mechanical properties, and it maintains strength even after welding.
5086 H111 Round Bar Applications
Applications of 5086 H111 Round Bar in Marine Industry
- Shipbuilding Industry: Hulls, ladders, and other structures exposed to seawater.
- Marine Industry: Due to its corrosion resistance, it can be used for hulls, ship frames, and drilling platforms.
- Ship Manufacturing: Hull structures, deck supports, masts, etc.
Other Applications of 5086 H111 Round Bar
- Pressure Vessels: Components that require high strength and corrosion resistance.
- Military: Armor plates and other defense applications.
- Transportation: Truck chassis, rail vehicles, and bicycle inner tubes.
- Construction and Engineering: Bridge supports, pressure vessels, and industrial equipment frames.
- Energy Sector: Offshore oil platforms, LNG (Liquefied Natural Gas) storage tanks.
5086 h111 Round Bar Supply Information
5086 H111 aluminum round bars are available in various diameters and lengths, typically stocked in lengths of 12 feet (approximately 3.6 meters). Haomei Aluminum offers round bars that meet the ASTM B221 standard to ensure consistent quality and performance.
- Diameter Range: 3 mm (0.12 inches) to 130 mm (5.12 inches), custom billet diameters available up to 11 inches.
- Length: Standard length of 1, 000–6, 000 mm (3.28–19.68 feet).
- Straightness: <0.3 mm/2.5 meters, suitable for high-speed machining.
- Surface Quality: Minimal coarse grain rings (<0.5 mm), reducing post-processing.
5086 h111 Round Bar Advantages Over Similar Alloys
- Higher Strength: 10% stronger than 1100 series aluminum alloys.
- Weldability: Better than 5005 and 5052 alloys.
- Cost-Effective: Moderate price with short lead times for custom orders.
| Feature | 5086-H111 vs Other Aluminum Alloys |
| Strength | Approximately 10% higher than 1100 series |
| Corrosion Resistance | Better than 5052, close to pure aluminum |
| Cost | Lower than 6061, suitable for medium to high-strength applications |
5086-H111 round bar is a marine-grade aluminum alloy praised for its corrosion resistance, weldability, and balanced mechanical properties. Its wide application range includes shipbuilding, transportation, and construction, with sizes ranging from small precision rods to large industrial billets.
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Tags: Marine Aluminum 5086