Remove Oil From Sheet Metal

It often can be seen in the walls of deep drawn square or rectangular shells see figure 1a and figure 1b caused by the imbalance of metal flow into the drawing cavity see figure 2.

Remove oil from sheet metal.

First put on a pair of rubber gloves a dust mask and some protective eyewear. Unstrained or loose metal in a stamping can result in an oil canning effect. Getting the oil stains out of your sheet can be a real nuisance if they don t come out during the first series of steps as mentioned above you will have to repeat steps 1 2 and 3 to completely remove the stains before putting the sheets into the dryer. Oil removal from steel prior to patination.

To remove rust from large metal items you can use an acidic rust removal chemical treatment. Wd 40 is safe on metal. Working with rust removal chemicals can be dangerous so make sure you take the proper safety precautions. Very simply oil canning is the result of uneven metal flow during a drawing operation.

It is essential to remove oil and grease for a lot of reasons. Remove the excess with a soft cloth or paper towel. Remove the oil stain by spraying a little wd 40 directly on the oil stain. Although the test is usually applied on large flat surfaces like sheet metal it can in somewhat modified form also be applied to some surfaces with relatively smooth surface geometry.

You must remove all oil and grease. An oily base metal will repel the flux. This will leave bare spots that will oxidize under heat and create voids. Step 5 repeat the steps if necessary until the oil stain is gone.