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Stainless steels are iron-based alloys containing at least 10.5% chromium which forms a protective oxide film for corrosion resistance. This oxide film provides the stainless-ness of stainless steel. Stainless steel sheet is typically manufactured in roll or plate form depending on thickness, or gauge.
Stainless steel sheet is produced by rolling the material through a mill, creating a thinner and longer outcome. Thickness is gradually reduced through this process and the stainless steel product is wound into a coil at the end of the production line or cut into plates. Stainless steel coil can then be cold rolled in cold rolling mills. The coils can be heat treated in a furnace to further soften the material for cold rolling or to produce the mechanical properties desired.
For some stainless steel sheet products cold rolling is the last step in the process. However, other fabrications of stainless steel sheet, like stainless steel foil tape, require more processing. In this case, they undergo further elevated temperature processing in order to increase their strength.
Learn more about All Foils assortment of stainless steel foil, sheeting and tape.
Types of Stainless Steel Alloys
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