Prepainted Aluminum Coil - COSASTEEL

Corrosion Resistance

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The prepainted aluminum coil has a protective layer that shields the metal from environmental factors such as moisture, chemicals, and UV radiation. This significantly reduces the risk of rust and corrosion, making it ideal for outdoor applications and harsh environments.

Lightweight

Aluminum is approximately one-third the weight of steel, which makes it much easier to transport, handle, and install. This lightweight nature also reduces the overall structural load, which can be beneficial in construction and automotive applications.

Formability

Aluminum is a highly ductile metal, which means it can be bent, shaped, and formed into complex configurations without cracking or losing its structural integrity. This makes it suitable for applications that require intricate designs or specific shapes.

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The 3xxx series alloys are primarily composed of aluminum and manganese, which enhances their strength and corrosion resistance. 

Aluminum Alloy
- Composition: Primarily aluminum with about 1.2% manganese and 0.12% copper.
- Properties:
- Good corrosion resistance.
- Excellent workability and formability.
- Moderate strength.
- Good weldability.
- Applications: Often used in manufacturing cooking utensils, chemical equipment, storage tanks, and pressure vessels due to its combination of strength and corrosion resistance.

Aluminum Alloy
- Composition: Similar to but with the addition of about 1% magnesium and 1.25% manganese.
- Properties:
- Higher strength than due to the addition of magnesium.
- Good corrosion resistance.
- Good formability and workability.
- Excellent weldability.
- Applications: Commonly used in the production of beverage cans, storage tanks, and architectural products due to its higher strength and good corrosion resistance.

Aluminum Alloy
- Composition: Contains about 1.2% manganese and 0.6% magnesium.
- Properties:
- Higher strength compared to both and .
- Good corrosion resistance.
- Good formability and workability.
- Excellent weldability.
- Applications: Used in building materials, heat exchangers, and residential siding due to its strength and resistance to corrosion.

Aluminum Alloy
- Composition: Contains about 0.3% silicon, 0.4% iron, 0.3% copper, 0.3-0.8% manganese, 0.2% magnesium, and traces of other elements.
- Properties:
- Comparable to in terms of strength.
- Excellent corrosion resistance.
- Good formability and workability.
- Good weldability.
- Applications: Often used in residential siding, mobile homes, rain-carrying goods, and sheet metal work due to its good balance of properties.