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What makes a pan wrap?

A metal will not shatter like glass, partially because it has a higher heat-flow efficiency, but chiefly because it has a sturdier intermolecular structure. Metal does, nonetheless, warp for the same reason that glass cracks: structural stress caused by a sudden and significant change in the relative temperature of two closely situated areas of the cookware.

The metal of inexpensive metal pots and pans (except for the cast-iron variety) is typically thin-gauged, and that of higher-quality utensils is thick-gauged. The thicker a sheet of metal, the greater its structural strength, and therefore the less likely it is to warp. Since warped cookware conducts heat unevenly, cheap pots are seldom a bargain.

01:08:25 on 02/28/07 by Webmaster - Questions and Answers -