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KeyWallet - Free Password Manager Forum Index Program Features Surface treatment of stainless steel
KeyWallet - Free Password Manager Forum Index
Author Surface treatment of stainless steel

Joined: Oct 21, 2015
Posts: 6010
From: shanghai,shanghai
  Posted: 2018-03-20 23:26

At present, the surface of stainless steel (1) is treated with the surface whitening of the surface. (2) the bright treatment of the surface mirror stone. (3) surface coloring treatment.
1200C Lab Electric Vertical Split Tube Furnace
1. During the processing of stainless steel, the black oxide skin is produced by rolling plate, ligation, welding or handling the temperature surface fire of the people. The hard black oxide is mainly NICR2O4 and NIF two EO4 clock components, before using hydrofluoric acid and nitric acid, strong corrosion removal method. But this method is costly, pollutes the environment and is harmful to the human body. The corrosion is larger and gradually eliminated.
At present, there are two methods for the treatment of this kind of oxide skin: (1) the method of spraying (pellet) sand. (2) the use of chemical pump manufacturers in usa
Liquid with inorganic additives using a pollution-free pickling passivation cream and non-toxic cleaning solution at room temperature. Thus the purpose of whitening treatment for stainless steel is achieved. Basically it looks like a eye color. This method is suitable for large and complex products and is worthy of popularization and application.China vacuum pump manufacturers

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