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1055 – Large automotive part used in high vacuum leak testing application. The 1500 pound part needed high corrosion resistance.

#1055 Brite Ultracleaning/Brite Passivating





Machining and welding


304 & 316 Stainless Steel


This assembly is used in an important leak testing application under a high vacuum environment. Used in a continuous manufacturing process, it needed to be highly corrosion resistant. The part is extremely heavy and large, weighing approximately 1500 pounds. The part is 19” deep, 34” wide, and 87” long.


Electropolishing removed the outer layer of metal containing the contaminants and particulates. The machined areas became brighter than the hot rolled finish on the angles and the inside of the vessel. The varying finish levels are a result of the varying base metal surfaces. Although the finish levels were different, the entire part met all standards for corrosion.


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