How Thick Sheet Metal For Automotive

If you re riveting a thick sheet to a piece of angle iron you need a deeper rivet.

How thick sheet metal for automotive.

Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25 29 0 0141 0 36 0 0172 0 44 0 0135 0 34 0 0113 0 29 28 1 64 0 0156 0 41 0 0187 0 47 0 0149 0 38 0 0126 0 32. You can get pop rivets down to 1 16 inch shaft size up to 3 16 inch at your local hardware store. Because of the varying thicknesses a gauge chart should be used to ensure the metal meets the required dimensions. History of the gauge system.

There are several different gauge systems used today with specific gauge designations used for specific metal types. For example in one gauge system 18 gauge steel measures 0 0478 inches thick but 18 gauge aluminum is 0 0403 inches thick. 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. 0299 and 24 ga.

Rivets come in a variety of head and shaft sizes. Brianstick with all due respect i find it hard to believe that sheet metal from a 1974 american made automobile has 18 ga. 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. This is done by upsetting it literally compacting it into itself so that some of its lateral dimension can be exchanged for increased thickness.

The gauge system has long history in metal fabrication. 0239 range depending on the panel. The opposite is also true. Sheet metal used on the auto body of new vehicles and when aftermarket body work is performed tends to be between 20.

You can also choose a depth for the rivet if you re just joining two sheets of metal a shallow depth works best. 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. Sheet metal used on older car bodies typically ranges from a gauge of 16 to 18. That is the metal must be shrunk.