Metal Gauge

When working with sheet metal it is common for the term gauge to be usedsomeone unfamiliar with the gauge system may not understand what is meant by 18 gauge steel for example.

Metal gauge. American wire gauge awg copper wire size data chart the decimal system of indicating gage sizes has been being used quite generally and depending on industry or organization gage numbers may or may not be specified. For example astm states in specification astm a480 10a. Gauge to thickness chart click here for a printable pdf chartgauge. Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 00125 033 00157 040 00120 030 00100 025.

As the gauge number increases the material thickness decreases. A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material. Wire gauge is a measure for the size of a wire either in diameter or in cross sectional area. Use of gauge numbers to designate sheet metal thickness is discouraged by numerous international standards organizations.

Sheet metal thickness gauges for steel are based on a weight of 4182 pounds per square foot per inch of thickness. In the imperial and metric systems i believe you must be very familiar with one of them. However do you know the difference between metric. When we express the thickness of sheet metal especially the thickness of the galvanized sheet people who are accustomed to using metric systems will use mm as the unit while those who are accustomed to the imperial system will use inch as the unit.

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. To help this blog will explain the gauge system and features a sheet metal gauge chart.