Car Body Sheet Metal Thickness

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Car body sheet metal thickness.

Be aware that there are many differences in both thickness and hardness in the cold rolled sheet available today. 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. Even though you might only need a couple of square feet of sheet metal to repair your car body you will have to buy a standard 8 foot by 4 foot sheet from your local steel stockholder. In galvanized steel it is 0 0217 inches.

Whether you re pounding a dented body panel or fabricating an entire custom interior for a race car you re bound to work with sheetmetal in the automotive world. Now though we can supply you with smaller sheets of steel to suit your smaller projects. 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. Aluminium sheets are also available.

There is also 19ga available but harder to get and more expensive. 0299 and 24 ga. The thickness of sheet metal depends on the material from which it is made. I have seen 18ga vary in thickness from 040 to 045 and the construction of the sheet can change alot depending if you get u s.

Mild steel is 1449 cr4 grade. 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. Automotive sheet metal once ran in the range of 18 gauge which was 48 thousandths of an inch thick actually 0 0478 inch.