How To Straighten Aluminum Sheet Metal

Don t know about flattening but i found that sand or bead blasting one side of sheet aluminum will put a bow in the metal bowing toward the blasted side.

How to straighten aluminum sheet metal.

Aluminum is highly malleable which makes it easy to work with but also easy to accidentally bend. In order to counteract this stretch you have to be able to shrink the metal back to its original position. If you do inadvertently bend a piece of aluminum don t assume it is ruined and throw it away. Aluminum sheet gauge numbers differ from steel sheet gauge numbers.

Aluminum is also 100 percent recyclable and easily can be repaired. However hammering should be done. In addition the stresses added to this metal do not surpass the yield stress of the metal in the heated condition which is the point at which the metal deforms into an undesirable shape. Learn how to bend sheet metal so you.

Most frequently expensive sheet metal bending tools called brakes are used to bend sheet metal but you can also complete this task without one. A bending brake is a specialized metalworking tool used to create precise linear bends and folds in light gauge sheet metals like the kind used to make flashing for doors windows and roofs. Heat straightening does not symmetrically straighten the metal and is a gradual process. One involves using a blow dryer or a paint stripper which emits heat to warm the metal of the dent.

In order to straighten it. The reason for this is that metal tends to stretch when it is bent. The vast majority of aluminum automobile bodies made before 1970 were of either 1100 or 3003 half hard h14 sheet in varying thicknesses of 0 040 in. Purchase a metal bending brake online or at your local hardware store.

Aluminum is a versatile metal used in construction transportation and aeroscience. 18 gauge 0 050 in. 15 gauge and 0 063 in. Straightening tempered aluminum sheets key words.

Weston bye author. On a molecular level the increased heat causes the molecules of the sheet metal to become excited. Its characteristics such as low density and corrosion resistance make it a popular and useful material. Sheet metal isn t all that different from a car s bodywork so most methods which will remove dents from a car work for sheet metal.

As with a steel part a good start is made by pushing or bumping out with the appropriately contoured tool. The fabricator does not heat this metal to the point where the metal undergoes molecular changes. The process of straightening metal is one that while seeming easy is actually a fairly difficult thing to do correctly. Bending sheet metal by hand is a manageable task if the piece of sheet metal is small and thin enough to handle.