What is 3003 aluminum coil?

3003 aluminum coil is a commonly used aluminum alloy coil, its main components are aluminum and manganese, and it belongs to the 3xxx series aluminum alloy. Due to its excellent performance and wide application fields, 3003 aluminum coil has become an indispensable material in industry and daily life.

3003 aluminum alloy coil features and performance:

Good corrosion resistance: 3003 aluminum coil has good corrosion resistance, especially high resistance to moisture and corrosive substances in the atmosphere, so that it can still maintain excellent performance in humid environments.
Excellent formability: 3003 aluminum coil has excellent formability and can be processed into various shapes by cold rolling, cold drawing, deep drawing, shearing and other processes, which is very suitable for forming and processing.
High strength: Although the 3003 aluminum coil is not a high-strength series, it still has sufficient strength at room temperature to meet the requirements of many daily applications.
Excellent welding performance: 3003 aluminum coils are easy to weld, and reliable welding connections can be achieved by argon arc welding, resistance welding and gas welding.

3003 aluminum coil alloy chemical composition and composition

Chemical Composition (Approximate percentages):
Aluminum (Al): 96.8% – 99.0%
Manganese (Mn): 1.0% – 1.5%
Iron (Fe): 0.70% max
Silicon (Si): 0.60% max
Copper (Cu): 0.05% – 0.20%
Zinc (Zn): 0.10% max
Other Elements: 0.15% max (each), 0.05% max (total)

Application of 3003 aluminum coil

In what scenarios can aluminum coil 3003 be applied?
1. Food packaging: 3003 aluminum coil is often used to make food packaging containers, such as lunch boxes, cans and bottle caps. Its good corrosion resistance and formability make it an ideal choice for food packaging.
2. Building decoration: 3003 aluminum coils are often used in building decoration materials, such as aluminum ceilings, curtain wall panels and aluminum alloy roof panels, due to their smooth surface and good weather resistance.
3. Cooler: The high strength and excellent thermal conductivity of 3003 aluminum coil make it an ideal material for making coolers, radiators and air conditioner heat exchangers.
4. Auto parts: Due to its good formability and welding performance, 3003 aluminum coils are widely used in the manufacture of auto parts, such as body panels, fuel tanks, radiator covers, etc.

Physical performance parameters of 3003 aluminum coil

The physical performance parameters of various states of 3003 aluminum coil can vary based on the manufacturing process and subsequent treatments applied to the material. The main temperature states of 3003 aluminum coil are as follows:

3003 O aluminum coil (Annealed) Temper:

Tensile Strength: 70-105MPa
Yield Strength: 35-70MPa
Elongation: 20%-30%
Hardness (Brinell): 28 HB

3003 H12 aluminum coil temper:

Tensile Strength: 120-160MPa
Yield Strength: 70-130MPa
Elongation: 2%-8%
Hardness (Brinell): 37 HB

3003 H14 aluminum coil temper:

Tensile Strength: 140-180MPa
Yield Strength: 115-160MPa
Elongation: 1%-5%
Hardness (Brinell): 43 HB

3003 H16 aluminum coil temper:

Tensile Strength: 165-205MPa
Yield Strength: 145-185MPa
Elongation: 1%-4%
Hardness (Brinell): 50 HB

3003 H18 aluminum coil temper:

Tensile Strength: 185 MPa min
Yield Strength: 170 MPa min
Elongation: 1% min
Hardness (Brinell): 55 HB

Aluminum coil 3003 specifications and packaging:

The specifications of 3003 aluminum coils can be customized according to the needs of customers. The common thickness is between 0.2mm and 6.0mm, and the width is between 100mm and 2600mm. Commonly used packing methods include wooden pallet packing, sea packing or naked packing to ensure that the products are not damaged during transportation.

3003 aluminium coil vs 1050 aluminium coil

between 1050 aluminum coil and 3003 aluminum coil based on key properties:

Property1050 Aluminum Coil3003 Aluminum Coil
Alloy Composition99.5% Aluminum (Al)98.6% Aluminum (Al) and 1.2% Manganese (Mn)
StrengthLow strength alloyModerate strength alloy
FormabilityExcellent formabilityGood formability
Corrosion ResistanceGood corrosion resistanceGood corrosion resistance
WeldabilityExcellent weldabilityGood weldability
MachinabilityExcellent machinabilityGood machinability
Typical UsesKitchen utensils, lightingRoofing, food packaging, heat exchangers, chemical equipment