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Wow! Could you imagine if they stopped minting the nickel and the cent? How long do you think they would stay in circulation after the halt in production?
The cents would disappear for all practical purposes within 6 to 9 months. Nickels would stick around longer but probably well less than 2 years. The nickels would last longer because they are used in vending machines and they really are needed if you keep the quarter. Unless all prices get rounded to the nearest 25 cents. Sales taxes tend to be the problem. If you round to the nearest cent you really need cents in order to make change. If you round to the nearest nickel you need nickels for exact change. Round to the nearest dime and you need dimes, but in this case you have additional problems because unlike the lower denominations the dime is not a even fraction of the next larger coin. In a great many instances you will find that in order to make exact change you will need to have a nickel, or the customer has to overpay with an extra quarter so they can get back a bunch of dimes. (And try and convince your vending machine what is going on with the extra payment.) It can work, but it isn't efficient.
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Steel would be stupid as then washers could pretty much be coins, not to mention rust. Aluminum would be a better material for coins. I can't figure out why they aren't made from aluminum yet.
The rust problem all depends on what grade or alloy of steel is used. The 43 steel cents used a cheap low grade steel which was why they had such a problem with rusting.
Plated aluminum could work, but trying to get vending machines to be able to accept both the heavy coppernickel clad coins and the super lightweight versions at the same time would be a real challenge.
Edited by Conder101
06/24/2014 09:44 am