Does anyone know what gauge aluminium is used for beer can walls?


I do not have any measuring equipment apart from my Helix shatterproof ruler.

I've looked on the net for an answer and found :

They vary so much that I would rather trust the opinion of an Instructable's type.
Has anyone ever measured their can (especially Red Stripe) in an idle moment?

Thank you.

I did learn that they are ever so slightly thinner in the middle, though.

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0.1mm , 0.004" would be about right.

Speaking as a locksmith, who deals with measurements on the order of 2 to 3 thousands of an inch on a regular basis, that sounds about right.

Simplest way to find out would be to cut out a section and measure it with a micrometer, of course. Though I think Re-design's right about them probably not being uniform, simply because there's no reason they have to be and making them even would cost more.
I DID measure it with a mic.
I've drilled holes .004" diameter by hand !
I think my beer cans are also about 4/1000ths of an inch in thickness. See attached picture. Although the uncertainty in that measurement might be like plus or minus 1/1000th inch.
.  Most Al cans are made to very small tolerances and have very uniform walls. It's a science - when your making them by the billions (yep, billions per year), being able to shave 0.01% by wt can save a lot of money.



FriendOfHumanity (author)  steveastrouk5 years ago
Dear Steve,
Thanks for your quick reply.
According to a conversion chart that means 38 gauge.

rickharris5 years ago
Are you asking how thin the actual can is or what gauge material they are made from because they start out a LOT thicker than they end up!
FriendOfHumanity (author)  rickharris5 years ago
Dear Rick,

Thanks for your answers and interesting video link.
I was asking for the gauge of the aluminium in the finished can wall, which has now been answered.
Re-design5 years ago
They are not uniform since they start out as a ball of aluminum and are pressed over a die to change the shape. Each die gets them closer to the actual can we love so much. The Coke can!
Most aluminium cans start out as a sheet and are pressed in a single action - Aluminium is very malleable. http://www.youtube.com/watch?v=V7Y0zAzoggY