Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge.
Stainless steel sheet gauges thickness.
In most of the world sheet metal thickness is consistently specified in millimeters.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
These will vary from british gauges with some exceptions.
The gauges shown above are based on american stainless steel sheet steel manufacturers gauge thickness.
The larger the gauge number the thinner the metal.
In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge.
Gauge to thickness chart click here for a printable pdf chart gauge.
Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25.
Number of gauge approximate thickness in fractions of an inch.