This combination of materials gives the following properties: a shiny, metallic appearance, formability, possessing a gas barrier, rigidity and providing adequate protection against corrosion and solderability.
Tinplate, the first material used to make metal cans and canisters, consists of a thin sheet of steel, coated with tin. The purpose of the tin coat is to reduce the risk of corrosion.
Modern tinplate for cans is produced from steel strip with tin applied by continues electro-deposition.
There are three can types:
*The three piece can evolved from original concept
*The two piece draw/redraw can
*The draw/wall-ironed can
The two main advantages of tinplate cans are that they are cheaper than aluminum cans and are also magnetic.
This latter feature enables tinplate cans to be transported through leak-testing baths on magnetized conveyor rather than magnetic pucks having to be individually fitted.
Tinplate cans
