3003 metal aluminum alloy is one of the more used aluminum alloys in life, it belongs to the aluminum-manganese 3000 series metal aluminum alloy series, because of the existence of manganese elements, this product has good rust-proof characteristics, and is also known as rust-proof aluminum plate. Rust-proof aluminum alloy mainly contains manganese magnesium and other alloy elements, rust-proof aluminum plate is mainly 3 series Al-Mn system and 5 series Al-Mg system alloy. 3003 rust-proof aluminum the strength of this alloy is slightly higher than industrial pure aluminum, its strength is 10% higher than 1100, can not be heat treated to strengthen, so the cold processing method is used to improve its mechanical properties, good corrosion resistance, good weldability, poor machinability.

According to the product type, it can be divided into

According to the surface treatment, it can be divided into

  • Color 3003 metal aluminum alloy
  • Embossed 3003 metal aluminum alloy
  • Anodized 3003 metal aluminum alloy
  • Mirror 3003 metal aluminum alloy

The strength of this alloy is not high (slightly higher than industrial pure aluminum), and it cannot be strengthened by heat treatment, so cold working methods are used to improve its mechanical properties.

Performance characteristics of 3003 metal aluminum alloy

1、High plasticity in annealed condition

2、Plasticity is still good in semi-cold hardening, low plasticity in cold hardening, good corrosion resistance

3、Good weldability, poor machinability

Main applications of 3003 metal aluminum alloy

3003 aluminum alloy has excellent chemical properties, good corrosion resistance, close to the corrosion resistance of industrial pure aluminum, good corrosion resistance to atmosphere, fresh water, sea water, food, organic acid, gasoline, neutral inorganic salt aqueous solution, etc., and good corrosion resistance in dilute acid. In the cold deformation state, 3003 aluminum alloy has the tendency of spalling corrosion, the larger the deformation, the more serious the spalling. Because of the uneven color after anodic oxidation, it is generally not anodized.

Used in the processing of parts and components that require good forming properties, high corrosion resistance and good weldability, or require both these properties and high strength than the 1XXX series alloys, such as kitchenware, food and chemical products processing and storage devices, tanks, tanks for transporting liquid products, various pressure vessels and pipelines processed in thin plates, general ware, heat sinks, makeup plates, photocopier rollers, ship materials.

Performance parameter of 3003 metal aluminum alloy

Chemical composition analysis:

  • Si ( Silicon ): ≤ 0.6
  • Cu ( Copper ): 0.05 - 0.2
  • Zn ( Zinc ): ≤ 0.1
  • Mn ( Manganese ): 1.0 - 1.5
  • Fe ( Iron ): ≤ 0.7
  • Other:≤ 0.05
  • Al ( Aluminum ): remainder

Mechanical performance analysis:

Aluminum alloy grades

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

Brinell hardness

3003

142-178

≥ 115

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