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Chemical polishing is a commonly used surface treatment process for
stainless steel. Compared with electrochemical polishing, its
biggest advantage is that it does not require DC power supply and
special fixtures, and can polish parts with complex shapes with
high productivity. In terms of functionality, chemical polishing
can not only obtain a surface with physical and chemical
cleanliness, but also remove the mechanical damage layer and stress
layer on the surface of stainless steel to obtain a mechanically
clean surface, which is beneficial to preventing local corrosion of
parts and improving Mechanical strength and extended service life
of parts. Since the patent on chemical polishing of stainless steel
was obtained in the early 1940s, many formulas have been made
public, but people still find it difficult to apply them in
practice. Because there are many varieties of stainless steel and
different grades of stainless steel have different corrosion laws,
it is impossible to use the same solution, so there are many types
of stainless steel chemical polishing solutions.
The basic components of chemical polishing solutions include
corrosives, oxidants and water. Corrosives are the main
ingredients. If the stainless steel is dissolved in the solution,
polishing cannot be performed. Oxidants and additives inhibit the
process and move the reaction in a direction that favors polishing.
Water regulates the concentration of the solution and facilitates
the diffusion of reaction products. Whether stainless steel
chemical polishing can proceed smoothly depends on the reasonable
combination of the above ingredients.
Standard | ASTM,AISI,JIS,SUS,GB,DIN,EN,etc. ASTM A312,ASTM A358,ASTM A790,ASTM A270,ASTM A554,JIS G3459,JIS G3468,JIS G3446,JIS G3448,EN10217,EN10312 |
Length | 2000-12000mm, according to customer's requirements |
Width | 300-2000mm, according to customer's requirements |
Processing Service | Bending, welding, uncoiling, punching, cutting, forming, wire drawing, printing, etc. |
Material Grade | 304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202 |
Surface | BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D |
Technique | Hot rolled/cold rolled |
Advantage | guaranteed price, guaranteed service, guaranteed quality, guaranteed after-sales, guaranteed time. |
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