Sheet Metal Material Thickness Guide | Meta Fab, Inc.

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Guide to Material Thickness – Stainless Steel, Aluminum, Copper, & Brass

March 5, 2020 10:45 am

Material ThicknessWhat are sheet metal gauges?

Gauges are used to measure the material thickness of a sheet of metal.  These units are neither standard of metric and are completely independent of those typical measurement systems.  Keeping a gauge conversion chart nearby is an easy way to determine the actual thickness of a sheet of metal in inches or millimeters.   For example, a 14 gauge stainless steel is .07812 inches thick. The gauge number 14 holds no relevance to the actual measurements.

It is important to know that the gauge thicknesses also vary depending on the type of sheet metal being referenced.  Take for instance 12-gauge thickness across the material types listed below;  stainless steel is 0.105″ thick, aluminum is 0.080″, copper is 0.108″, and brass is 0.081″.

Thickness Chart

Sheet Metal Material Thickness Chart

  • Thickness is expressed in inches
  • This table is for reference only and it is highly recommended that you check with a local supplier to establish what actual thickness values are used in your particular location.

If you’d like Meta Fab to quote your next metal project, please submit your RFQ here!

You can use any number of calipers to measure the material thickness or a handy thickness gauge like the one pictured below.

Thickness Guage Tools

Stainless steel guage tool - round

Stainless steel guage tool

Find calipers and other measurement tools and devices here.

If you have any questions about the material thickness or plate sizes, please contact our sales team at [email protected].   They will be more than happy to answer any questions and get you started on your next project.

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