They might use the wrong metal s gauge chart or pick an obsolete standard when labeling a sheet of material.
Copper sheet metal thickness chart.
Take for instance 12 gauge thickness across the material types listed below.
Copper is typically used for gutters downspouts countertops hoods deco tops and standing seam roofs it also comes in perforated sheets and pre textured hammered sheets.
Copper 48 oz 24 oz 20 oz and 16 oz.
Gague are used to specify the thickness of a metal sheet.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
Below you will find a chart for metal thicknesses and weights.
Aluminum 0 025 0 032 0 040 0 050 0 063 0 080 1 8 0 125 and 1 4 0 25.
Stainless steel is 0 105 thick aluminum is 0 080 copper is 0 108 and brass is 0 081.
Commonly used metals for manufacturing at our shop are.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
If you re having trouble picking out a thickness take a look at our page on deciding on a material thickness.
Sheet metal gauge thickness chart 2019 10 24t01 36 33 00 00 when working with sheet metal the term gauge is often used.
Keep in mind that some manufacturers distributors and end users get the gauge thickness wrong.
You can use any number of calipers to measure the thickness of materials or a handy thickness gauge like one pictured below.
Typical sheet sizes are 36 x 120 and 48 x 120.
Below is a quick guide to help you determine which thickness best suits the needs of your project.
The unit of measurement used to identify the thickness of a sheet of copper varies e g gauge mil ounces per square foot inches millimeters.
Cold and hot rolled steel 16 gauge 14 gauge 1 8 and 1 4.