Gauge or gage sizes are numbers that indicate the thickness of a piece of sheet metal with a higher number referring to a thinner sheet.
Ga size sheet metal.
Please note that astm states in specification astm a480 10a the use of gage number is discouraged as being an archaic term of limited usefulness not having general agreement on meaning.
Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel aluminum and stainless steel.
Originally used in the fields of medicine and jewellery the larger the number the smaller the diameter and now it is also used to indicate the thickness.
Corresponds to the standard steel thickness of 0 0329 inches 0 84mm.
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.
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A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
Gague are used to specify the thickness of a metal sheet.
The gauge number 18 holds no relevance to the actual measurements.
Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts.
The story of gauge.
Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system.
The corresponding galvanized steel thickness is 0 0366 inches 0 93mm and the corresponding aluminum thickness is 0 028 inches 0 71mm.