Thickness Of Automotive Sheet Metal

The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.

Thickness of automotive sheet metal.

A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. 20 gauge became common in more recent times and this meant 0 0359 inch thick metal still a lot to work with in bumping and metal finishing. Sheetmetal comes in various materials and thicknesses but the processes by which you turn a flat sheet into something useful are always more or less the same. Brianstick with all due respect i find it hard to believe that sheet metal from a 1974 american made automobile has 18 ga.

0299 and 24 ga. The reason i say this is that i have rebuilt two older vehicles a 55 chevy and a 67 el camino and have found the sheet metal to be in the 22 ga. The gauge number 18 holds no relevance to the actual measurements. For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.

Sheet metal gauge size chart 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. The larger the gauge number the thinner the metal. 0239 range depending on the. In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge.

Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge. In most of the world sheet metal thickness is consistently specified in millimeters.