In the process of processing the thickness of the parts remain unchanged. Corresponding to the casting, forging, machining parts, such as the car outside the iron shell is sheet metal parts, stainless steel to do some of the cabinet is also sheet metal parts.
Sheet metal is sometimes also used as a wrench, the word comes from the English platemetal, generally some sheet metal by hand or mold stamping to produce plastic deformation, the formation of the desired shape and size, and can be further welded or a small amount of mechanical processing to form more complex parts, such as chimneys commonly used in the family, tin stove, and car shells are sheet metal parts.