Stainless steel elliptical heads must be processed before use, such as the treatment of stainless steel elliptical heads. Only the processing of elliptical heads with good surfaces involves the treatment of stainless steel oxides, especially It relates to pickling paste which removes the oxide layer of stainless steel head at normal temperature and passivates the surface. Stainless steel is widely used in various fields due to its corrosion resistance and certain mechanical strength and thermal conductivity. Its demand is increasing. However, once the stainless steel elliptical head is heat treated or welded, a hard gray-black oxide layer is formed on the surface. This makes the stainless steel elliptical head material neither beautiful nor poor in corrosion resistance, which brings great inconvenience to further processing and application. At present, this layer of oxide is chemically treated in the world by a pickling paste.
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