Aluminium 6061 Sheet Metal Parts for Electric Vehicle Battery Enclosures Lightweight
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Aluminium 6061 Sheet Metal Parts for Electric Vehicle Battery Enclosures Lightweight
Product Description:
Sheet metal products have several key characteristics:
1. Lightweight: Sheet metal is thin, making the products light yet
durable.
2. High Strength: Despite being thin, sheet metal offers strong
structural integrity and resistance to external forces.
3. Flexibility: It can be easily shaped, cut, and bent into various
designs, providing versatility in manufacturing.
4. Cost-Effective: Due to the material's availability and the
efficiency of the manufacturing process, sheet metal products are
typically affordable.
5. Corrosion Resistance: Depending on the metal used, many sheet
metal products are resistant to corrosion, especially when treated
or coated.
6. Customizable: Sheet metal can be tailored to specific sizes,
shapes, and functions, allowing for custom designs in various
industries.
7. Good Thermal Conductivity: Many sheet metal materials, such as
aluminum and copper, have excellent thermal conductivity, making
them suitable for heat-related applications.
These characteristics make sheet metal products widely used in industries like automotive, aerospace, electronics, and construction.
Simplified Manufacturing Process
Sheet metal fabrication is often simpler and more streamlined compared to other manufacturing processes, making it an ideal choice for producing high-quality components quickly and efficiently. Sheet metal parts can be produced using highly automated processes, reducing the need for manual labor and minimizing the chances of human error.
The ability to create prototypes and scale production quickly makes sheet metal fabrication a valuable tool for industries that require rapid product development, such as electronics, automotive, and medical devices. In addition, the wide availability of sheet metal materials and the efficiency of the manufacturing process contribute to faster turnaround times and reduced lead times for production.
Applications:
Aluminum 6061 is one of the most commonly used aluminum alloys due
to its excellent combination of strength, corrosion resistance,
weldability, and ease of processing. It belongs to the 6000 series
of aluminum alloys, which are primarily composed of aluminum,
magnesium, and silicon. Due to its versatile properties, 6061 is
widely used in industries such as aerospace, construction,
automotive, marine, and electronics. This article will explore the
key characteristics of aluminum 6061, including its chemical
composition, physical properties, mechanical properties, corrosion
resistance, weldability, and common applications.
1. Chemical Composition
Aluminum 6061 is a heat-treatable alloy, and its chemical
composition is primarily based on aluminum, with significant
amounts of magnesium and silicon. The typical composition of 6061
aluminum alloy is as follows:
• Aluminum (Al): Balance
• Silicon (Si): 0.4–0.8%
• Iron (Fe): 0.7% max
• Copper (Cu): 0.15–0.4%
• Manganese (Mn): 0.15% max
• Magnesium (Mg): 1.0–1.5%
• Chromium (Cr): 0.04–0.35%
• Zinc (Zn): 0.25% max
• Titanium (Ti): 0.15% max
The addition of magnesium and silicon in specific proportions gives
6061 its excellent mechanical strength and corrosion resistance,
while copper provides additional strength and hardness. The
chromium content helps to enhance its resistance to stress
corrosion cracking.
2. Physical Properties
Aluminum 6061 offers a range of favorable physical properties,
including low density, high thermal conductivity, and good
electrical conductivity. Key physical properties of 6061 aluminum
include:
• Density: 2.70 g/cm³ (2700 kg/m³)
• Melting Point: 582–652°C (1080–1205°F)
• Thermal Conductivity: 151 W/m·K
• Electrical Conductivity: 40–42% IACS (International Annealed
Copper Standard)
• Specific Heat: 0.897 J/g·°C
• Modulus of Elasticity: 68.9 GPa (10.0 × 10³ ksi)
The low density of aluminum 6061 (compared to steel and many other
metals) makes it a lightweight option for applications requiring
strength-to-weight ratio. Additionally, its relatively high thermal
conductivity is useful in heat exchange applications.
3. Mechanical Properties
One of the most notable aspects of aluminum 6061 is its excellent
mechanical properties. It offers a good balance of strength,
formability, and toughness, making it suitable for a wide range of
applications. Key mechanical properties of 6061 aluminum alloy
include:
• Tensile Strength: 290 MPa (42 ksi) (solution heat-treated and
aged)
• Yield Strength: 240 MPa (35 ksi) (solution heat-treated and aged)
• Elongation: 12-17% (in 50 mm gauge length)
• Hardness: Brinell hardness 95–110 HB
• Shear Strength: 207 MPa (30 ksi)
• Modulus of Elasticity: 68.9 GPa (10.0 × 10³ ksi)
6061 aluminum alloy is a versatile material because it can be
heat-treated to achieve higher strength, making it suitable for
structural components. Its elongation values also suggest that it
is relatively ductile, allowing it to be formed into complex shapes
without cracking.
4. Corrosion Resistance
Aluminum 6061 offers good resistance to corrosion, which is one of
the main reasons it is widely used in applications exposed to
outdoor environments or marine conditions. The alloy forms a
protective oxide layer on the surface, which helps prevent further
oxidation. The key aspects of its corrosion resistance include:
• General Corrosion: 6061 is highly resistant to general corrosion
in most environments, including atmospheric conditions, water, and
many chemicals.
• Pitting Corrosion: While 6061 is resistant to pitting in most
environments, it may suffer from pitting corrosion if exposed to
chloride-rich environments, such as seawater. However, proper
coatings or anodizing can improve its resistance.
• Stress Corrosion Cracking (SCC): 6061 is generally resistant to
stress corrosion cracking in most conditions, though it may be
susceptible under certain stress conditions or when exposed to
corrosive chemicals at elevated temperatures.
• Anodizing: 6061 aluminum is easily anodized to increase its
corrosion resistance. The anodized surface is more durable,
providing additional protection in harsh environments.
5. Weldability and Workability
One of the major advantages of 6061 aluminum alloy is its excellent
weldability and workability. It can be welded using several
techniques, including TIG (Tungsten Inert Gas), MIG (Metal Inert
Gas), and arc welding. The alloy can also be easily machined,
extruded, and forged.
• Weldability: 6061 is considered one of the most weldable aluminum
alloys. It produces strong, high-quality welds, but care must be
taken during the welding process to prevent cracking. In
particular, preheating and post-weld heat treatment may be
necessary in certain cases to minimize the risk of weld defects.
• Machining: Aluminum 6061 is easy to machine, and it can be
processed with common machining tools such as lathes, mills, and
drills. Its excellent workability and surface finish make it an
attractive option for precision machining applications.
• Formability: 6061 can be easily extruded into a wide range of
profiles, including round, square, rectangular, and custom shapes.
It is also suitable for cold working operations like bending,
drawing, and rolling.
| Aluminium 5051,- Al: 95.8-98.3%- Mg: 2.2-2.8%- Mn: 0.1-0.4%- Si: 0.25%- Fe: 0.4% max- Cu: 0.1% max,- High corrosion resistance, especially in marine environments- Excellent weldability- Moderate strength,- Clean regularly with mild detergent and water- Avoid harsh chemicals- Consider protective coatings for outdoor use |
| Aluminium 5052,- Al: 97.25% min- Mg: 2.2-2.8%- Cr: 0.15-0.35%- Mn: 0.1% max- Si: 0.25% max- Fe: 0.4% max,- Excellent corrosion resistance- High strength-to-weight ratio- Good formability and weldability,- Regularly clean with water- Avoid abrasive cleaners- Apply anodizing or coatings for extended durability |
| Aluminium 6061,- Al: 97.9% min- Mg: 1.0-1.5%- Si: 0.4-0.8%- Cu: 0.15-0.4%- Cr: 0.04-0.35%- Mn: 0.15% max- Fe: 0.7% max- Zn: 0.25% max,- Excellent machinability- High strength and toughness- Good corrosion resistance,- Clean with mild soap and water- Inspect welds regularly- Use lubricants for moving parts to reduce friction |
| Aluminium 7075,- Al: 87.1% min- Zn: 5.1-6.1%- Mg: 2.1-2.9%- Cu: 1.2-2.0%- Cr: 0.18-0.28%- Mn: 0.3% max- Si: 0.4% max- Fe: 0.5% max,- Extremely high strength- Lightweight and strong- Excellent fatigue resistance,- Regular cleaning recommended- Apply anodizing or coatings for protection- Handle carefully during machining |
| Stainless Steel SS304,- Fe: Balance- Cr: 18-20%- Ni: 8-10.5%- Mn: 2% max- Si: 1% max- C: 0.08% max- P: 0.045% max- S: 0.03% max,- Good corrosion resistance- Excellent formability and weldability- Non-magnetic in annealed condition,- Clean with water and mild detergents- Regular polishing or passivation- Avoid prolonged exposure to harsh chemicals |
| Stainless Steel SS316,- Fe: Balance- Cr: 16-18%- Ni: 10-14%- Mo: 2-3%- Mn: 2% max- Si: 1% max- C: 0.08% max- P: 0.045% max- S: 0.03% max,- Superior corrosion resistance (especially in saltwater)- Excellent weldability- Higher pitting resistance,- Regular cleaning with water- Rinse after exposure to saltwater- Periodic inspections for pitting and corrosion |
Stainless Steel SS316L,- Fe: Balance- Cr: 16-18%- Ni: 10-14%- Mo: 2-3%- Mn: 2% max- Si: 1% max- C: 0.03% max (lower than SS316)- P: 0.045% max,- Excellent corrosion resistance- Ideal for harsh chemical environments- Non-magnetic in annealed condition,- Regular cleaning with water- Avoid harsh chemicals- Consider passivation for increased corrosion resistanc |
| Name: | Aerospace parts |
| Tolerance | ISO2768M |
| Material | Aluminium 7075 |
| Roughness | Ra3.2 |
| Surface Treatment | As machined |
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Aluminium 6061 Sheet Metal Parts for Electric Vehicle Battery Enclosures Lightweight
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