The manufacturers standard gage provides the thicknesses for standard steel galvanized steel and stainless steel.
Awg sheet metal thickness.
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 29 0 0141 0 36 0 0172 0 44 0 0135 0 34 0 0113 0 29 28 1 64 0 0156 0 41 0 0187 0 47 0 0149 0 38 0 0126 0 32 27 0 0172 0 43 0 0202 0 51 0 0164 0 42 0 0142 0 36 26 0 0187 0 48 0 0217 0 55 0 0179 0 45 0 0159 40 25 0 0219 0 56 0 0247 0 63 0 0209 0 53 0 0179 0 46 24 0.
For 18 ga crs the weight is 2 0 pounds per square foot and for 20 ga crs the weight is 1 5 pounds per square foot.
The gauge number 18 holds no relevance to the actual measurements.
For other materials such as aluminum and brass the thicknesses will be different.
16 ga crs is 2 5 pounds per square foot.
The brown and sharpe gage also known as the american wire gage awg is used for most non ferrous metals such as aluminum and brass.
Below you will find a chart for metal thicknesses and weights.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
In addition the same gauge number for different materials presents different thickness for example 37 gauge stainless steel is 0 0066 inches thick while 37 gauge aluminum is 0 0045 inches thick.
Gauge to thickness chart click here for a printable pdf chart gauge.
The sheet metal gauges are neither standard nor metric the numbers are independent of measurement systems and do not mean actually measured value.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
There are several different gauge systems used today with specific gauge designations used for specific metal types.
Cold and hot rolled steel 16 gauge 14 gauge 1 8 and 1 4.
Aluminum 0 025 0 032 0 040 0 050 0 063 0 080 1 8 0 125 and 1 4 0 25.
The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.
Sheet metal manufacturing and services the following sheet metal gauge size reference chart gives the weight and thickness of sheet metal given as a gauge sometimes spelled gage and indicates the standard thickness of sheet metal and wire for most materials as the gauge number increases the material thickness decreases.
Thus a 10 gauge steel sheet which has a thickness of 0 1345 inches will weigh 41 82 0 1345 5 625 pounds per square foot.
Gauge to thickness chart.