5052 aluminum strip roll is often used for the can lid part of the can, not the pull ring. In contrast, the pull ring part of the can usually uses 5182 h19 aluminum plate. This alloy also has the characteristics of light weight, corrosion resistance, and easy processing, but it may focus more on meeting the pull ring's requirements for strength and toughness during the opening process.

5052 aluminum strip roll is a medium-to-high strength aluminum alloy material with good plasticity, forming effect, excellent welding performance and corrosion resistance. In the manufacture of cans, 5052 aluminum strip roll is widely used in the production of can lids (including bottom covers) due to its excellent performance. It can not only ensure the sealing and strength of the can, but also show good formability and plasticity during processing, so that the can lid can be accurately adapted to the can body, ensuring the quality of the product and the consumer's experience.

Specifications of aluminum plate for can lids:

Chemical parameters of 5052 aluminum sheet(%):

Product features of aluminum alloy can lids:

1. Good elasticity, not easy to crack after stamping deformation;

2. Salt spray and oxidation resistance, suitable for humid environments and long-term storage;

3. Low density, light weight, smooth surface, good feel;

4. Can be oxidized and coated to ensure beautiful appearance and enhance corrosion resistance.

5. Environmentally friendly and easy to recycle and reuse.

Quality requirements for 5052 aluminum strip for can lids with ring pulls:

The surface is well processed, and no obvious defects such as blackening, wheel marks, tire marks, rust, wrinkles, folds, straightening roller marks, oil stains, sticking, scratches, metal and non-metallic indentations are allowed. The straightness of the strip is greater than 10I (or the wave height is less than or equal to 3mm, and the wavelength is preferably above 400mm).

Production control requirements for 5052 aluminum strip coils:

(1) Strictly control the width tolerance.

Thickness tolerance: ±0.01mm (preferably 0.005mm)

Width tolerance: ±1mm

Straightness requirements: height less than 3mm, wave number less than 3 within 1 meter;

(2) Mechanical properties:

Yield strength: 295-380Mpa;

Tensile strength: 355-420 Mpa;

Elongation: 5.5%;

After baking: yield strength: 320MPa; tensile strength: above 360MPa; elongation: ≥5.5%

(3). Plate shape control:

Combined with the use of rolling rollers, bending rollers, and spraying, control the plate shape to ensure that the convexity of the hot machine is controlled between 0.1 and 0.8%, and there is no obvious wave when the hot machine is visually observed online.

(4). Appearance quality:

No end cracks, neat roll ends, no staggered pyramids.

As a large-scale aluminum sheet and strip manufacturer, MC Aluminum's 5182 aluminum sheet for can pull rings and 5052 aluminum sheet for can lids have been tested by customers and the product performance meets their requirements. It has a large supply volume and is exported globally at a preferential price, and can accept orders of 1-2000 tons.