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What are the aluminum used for cans?

Views: 0     Author: Site Editor     Publish Time: 2022-07-19      Origin: Site

There are two materials for making cans: aluminum and tinplate. Due to the high recycling value of aluminum, for the consideration of environmental protection, aluminum cans are gradually used. Aluminum cans are favored by people because of their light weight, small size, not easy to break, and easy to carry.

The cans are usually made of aluminum alloy sheets that have been thinned and stretched many times, and the can body is made of tinplate.

Can lid material: 5052 aluminum plate, 3104 aluminum plate

Can pull ring material: 5182 aluminum plate

Can body material: 3004 aluminum plate

Aluminum alloy 5052/3104 aluminum plate requirements for can lids

Plate shape and otherscheap aluminium plate sheet - Decoulife

Flatness: no obvious waves are allowed in the strip, the wave height within 1 meter does not exceed 3mm, and the wave does not exceed 3 per meter;

Side curvature: the side curvature of the product at any length of 2000mm should not be greater than 0.5mm;

Warpage of the end: arbitrarily cut products with a length of 1500mm, and the height of the warp of the end is less than or equal to 5mm;

Connectors: Connectors are not allowed.

Surface and end face quality

Surface: Severe bubbles, missing coating, scratches, corrosion, oil spots, peeling, streaks, chromatic aberration, mottles, roll marks, periodicity, etc. are not allowed to affect the appearance quality of the product, burr <=0.04mm;

End face: neat end face, no loose layer, staggered layer ≤2mm, tower shape ≤5mm;

Requirements for 5182 aluminum alloy for can pull ring

End warpage degree: arbitrarily cut products with a length of 1500mm, and the height of end warpage is less than or equal to 7mm;

5182 aluminum strip surface and end face quality requirements

Surface: Severe bubbles, missing coating, scratches, corrosion, oil spots, peeling, streaks, chromatic aberration, mottles, roll marks, periodicity, etc. are not allowed to affect the appearance quality of products.

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