CN109112594A - A kind of stainless steel chair frame electroplating technology - Google Patents
A kind of stainless steel chair frame electroplating technology Download PDFInfo
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- CN109112594A CN109112594A CN201811101120.5A CN201811101120A CN109112594A CN 109112594 A CN109112594 A CN 109112594A CN 201811101120 A CN201811101120 A CN 201811101120A CN 109112594 A CN109112594 A CN 109112594A
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- Prior art keywords
- electroplating
- plating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/44—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
The invention discloses a kind of stainless steel chair frame electroplating technologies; more comprehensive cleaning is carried out to electroplating parts before plating; removing including the oil removal to metalwork surface and the irregular place to its surface and seamed edge; keep its surface more smooth clean before plating; the quality of plating can be effectively improved; in the plating process; by adjusting the formula rate of electroplate liquid; a variety of coating can be plated out; meets the needs of different chair frames, electroplating process accurate control does Passivation Treatment after plating; protect plating layer surface, service life is long.
Description
Technical field
The present invention relates to chair art, specially a kind of stainless steel chair frame electroplating technology.
Background technique
The bracket of common office chair chair mostly uses greatly five pawl chair legs, and this kind of chair leg is electroplated in process of production
Guarantee the smooth of chair leg surface, but the product surface smoothness that existing electroplating technology is electroplated is insufficient, the time
One long electroplated layer is easy cracking and falls off, and influences the appearance of chair.
Summary of the invention
The purpose of the present invention is to provide a kind of stainless steel chair frame electroplating technologies, solve and ask proposed in background technique
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of stainless steel chair frame electroplating technology, prepares work
Skill is as follows:
The de- processing of S1 heat: electroplating parts are placed on to the degreasing that electroplating parts surface is carried out in the water of 80 DEG C -100 DEG C of temperature
Processing, processing time are 3-5 minutes；
S2 ultrasonic oil removal: electroplating parts are subjected to ultrasonic oil removal, temperature is 55-65 DEG C, and ultrasonic filtration is more than 2500W；
S3 pickling: electroplating parts put into pickling using nitric acid 40-50g/L and HF40-50g/L mixed solution in impregnate, temperature
60-80 DEG C of degree, time 5-10 minute；
S4 washing: cleaning electroplating parts clear water, and scavenging period is -90 seconds 60 seconds；
S5 polishing: electroplating parts are placed in plating polishing agent and are impregnated 1-2 minutes；
S6 plating: polished electroplating parts are connected to the cathode of electroplating pool, and are electroplated；
S7 passivation: the electroplating parts surface being electroplated spraying passivating solution is formed into passivating film；
S8 maintenance: passivating film stands 1-2 hours at dry shady and cool ventilation after being formed.
As a kind of preferred embodiment of the invention, S6 plating is plating semi-gloss nickel, then electroplating parts is placed into nickel
In electrolytic cell, electronickelling work is carried out by cathode of electroplating parts, electroplate liquid is 25g/L-30g/L nickel sulfate, 40g/L-45g/L
Nickel chloride, 35g/L-40g/L boric acid are mixed to prepare, and electroplating time is -260 seconds 240 seconds；
As a kind of preferred embodiment of the invention, S6 plating is electric bright nickel plating, then electroplating parts is placed into nickel electrowinning pond
In, electronickelling work is carried out by cathode of electroplating parts, electroplate liquid is 30g/L-35g/L nickel sulfate, 40g/L-45g/L chlorination
Nickel, 40g/L-45g/L boric acid are mixed to prepare, and electroplating time is -300 seconds 260 seconds.
As a kind of preferred embodiment of the invention, S6 plating is that nickel envelope is handled, then electroplating parts is placed into nickel electricity
Xie Chizhong carries out electronickelling work by cathode of electroplating parts, and electroplate liquid is 35g/L-40g/L nickel sulfate, 45g/L-50g/L chlorine
Change nickel, 45g/L-50g/L boric acid are mixed to prepare, and electroplating time is -360 seconds 300 seconds.
As a kind of preferred embodiment of the invention, electroplating parts are then placed into nickel electrowinning to plate husky nickel by S6 plating
Chi Zhong carries out electronickelling work by cathode of electroplating parts, and electroplate liquid is 40g/L-50g/L nickel sulfate, 45g/L-50g/L chlorination
Nickel, 60g/L-70g/L boric acid are mixed to prepare, and electroplating time is -450 seconds 400 seconds.
As a kind of preferred embodiment of the invention, S6 plating is chromium plating, then electroplating parts is placed into chromium electrolytic cell
In, electroplate liquid is mixed to prepare with 25g/L-28g/L chromic anhydride, 20g/L-30g/L trivalent chromium, 1.2g/L-1.6g/L sulfuric acid, when plating
Between be -210 seconds 150 seconds.
As a kind of preferred embodiment of the invention, electroplating parts are then placed into chromium electricity to plate thick hard chrome by S6 plating
Xie Chizhong, electroplate liquid is with 40g/L-50g/L chromium sulfate or potassium chromium sulfate, 5g/L-10g/L nitrilotriacetic acid, 60g/L-70g/L bromine
Change potassium or potassium fluoride is mixed to prepare, electroplating time is -250 seconds 200 seconds.
As a kind of preferred embodiment of the invention, the plating polishing agent in S5 is 30g/L ammonium acid fluoride, 15g/L second
The polishing mixed liquor that acid, 250g/L hydrogen peroxide mix.
As a kind of preferred embodiment of the invention, the passivating solution in S7 is 5% chromic acid, 3% tartrate, 1.5%
Sodium fluoride, 7% citrate, 6% silicate, 4% molybdate mixed solution.
Compared with prior art, beneficial effects of the present invention are as follows: carrying out before plating to electroplating parts more comprehensive
Cleaning, the removing including the oil removal to metalwork surface and the irregular place to its surface and seamed edge make its surface in electricity
It is more smooth clean before plating, the quality of plating can be effectively improved, in the plating process, by adjusting the formula rate of electroplate liquid,
A variety of coating can be plated out, meet the needs of different chair frames, electroplating process accurate control does Passivation Treatment after plating, makes electroplated layer
Surface is protected, and service life is long.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
The present invention provides a kind of technical solution: a kind of stainless steel chair frame electroplating technology, preparation process are as follows:
The de- processing of S1 heat: electroplating parts are placed on to the degreasing that electroplating parts surface is carried out in the water of 80 DEG C -100 DEG C of temperature
Processing, processing time are 3-5 minutes；
S2 ultrasonic oil removal: electroplating parts are subjected to ultrasonic oil removal, temperature is 55-65 DEG C, and ultrasonic filtration is more than 2500W；
S3 pickling: electroplating parts put into pickling using nitric acid 40-50g/L and HF40-50g/L mixed solution in impregnate, temperature
60-80 DEG C of degree, time 5-10 minute；
S4 washing: cleaning electroplating parts clear water, and scavenging period is -90 seconds 60 seconds；
S5 polishing: electroplating parts are placed in plating polishing agent and are impregnated 1-2 minutes；
S6 plating: polished electroplating parts are connected to the cathode of electroplating pool, and are electroplated；
S7 passivation: the electroplating parts surface being electroplated spraying passivating solution is formed into passivating film；
S8 maintenance: passivating film stands 1-2 hours at dry shady and cool ventilation after being formed.
Embodiment 1, S6 plating are plating semi-gloss nickel, then electroplating parts are placed into nickel electrowinning pond, are with electroplating parts
Cathode carries out electronickelling work, and electroplate liquid is 25g/L-30g/L nickel sulfate, 40g/L-45g/L nickel chloride, 35g/L-40g/L boron
Acid is mixed to prepare, and electroplating time is -260 seconds 240 seconds, and the coating made in this way is semi-gloss nickel layer, and flatness is good, and stress is small.
Embodiment 2, S6 plating are electric bright nickel plating, then electroplating parts are placed into nickel electrowinning pond, are yin with electroplating parts
Pole carries out electronickelling work, and electroplate liquid is 30g/L-35g/L nickel sulfate, 40g/L-45g/L nickel chloride, 40g/L-45g/L boric acid
It is mixed to prepare, electroplating time is -300 seconds 260 seconds, and the coating made in this way is bright nickel layer, and flatness is good, and flexility is good
It is good.
Embodiment 3, S6 plating are that nickel envelope is handled, then electroplating parts are placed into nickel electrowinning pond, are yin with electroplating parts
Pole carries out electronickelling work, and electroplate liquid is 35g/L-40g/L nickel sulfate, 45g/L-50g/L nickel chloride, 45g/L-50g/L boric acid
It is mixed to prepare, electroplating time is -360 seconds 300 seconds, and the coating made in this way is nickel sealing, and corrosion resistance is good, and glossiness is high.
Electroplating parts are then placed into nickel electrowinning pond, to plate husky nickel using electroplating parts as cathode by embodiment 4, S6 plating
Electronickelling work is carried out, electroplate liquid is 40g/L-50g/L nickel sulfate, 45g/L-50g/L nickel chloride, 60g/L-70g/L boric acid are mixed
It closes and is made, electroplating time is -450 seconds 400 seconds, and the coating made in this way is husky nickel layer, is not easy to leave fingerprint and trace.
Embodiment 5, S6 plating is chromium plating, then electroplating parts is placed into chromium electrolytic cell, electroplate liquid is with 25g/L-28g/L
Chromic anhydride, 20g/L-30g/L trivalent chromium, 1.2g/L-1.6g/L sulfuric acid are mixed to prepare, and electroplating time is -210 seconds 150 seconds, are done so
Coating out is layers of chrome, and finish is good, corrosion resistance and good.
Electroplating parts are then placed into chromium electrolytic cell, electroplate liquid is with 40g/L- by embodiment 6, S6 plating to plate thick hard chrome
50g/L chromium sulfate or potassium chromium sulfate, 5g/L-10g/L nitrilotriacetic acid, 60g/L-70g/L potassium bromide or potassium fluoride are mixed to prepare,
Its electroplating time is -250 seconds 200 seconds, and the coating made in this way is thick hard chromium layers, and wearability is good.
Plating polishing agent in S5 is 30g/L ammonium acid fluoride, the polishing of 15g/L acetic acid, 250g/L hydrogen peroxide mixing mixes
Liquid.
Passivating solution in S7 be 5% chromic acid, 3% tartrate, 1.5% sodium fluoride, 7% citrate, 6% silicon
Hydrochlorate, 4% molybdate mixed solution.
Beneficial effects of the present invention are as follows: carrying out more comprehensive cleaning to electroplating parts before plating, including to metal
The removing of the oil removal on part surface and the irregular place to its surface and seamed edge keeps its surface more smooth dry before plating
Only, the quality of plating can be effectively improved, in the plating process, by adjusting the formula rate of electroplate liquid, a variety of coating can be plated out,
Meets the needs of different chair frames, electroplating process accurate control does Passivation Treatment after plating, protects plating layer surface, makes
It is long with the service life.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is merely for convenience of the statement present invention and simplifies description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, and are constructed or operated with specific orientation, therefore cannot
It is interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise specific regulation or limit, term " installation ", " phase
Even ", " connection " should broadly understood.For example, " connection " may be a fixed connection, may be a detachable connection, or one
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, can also be indirectly connected by medium, may be used also
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of stainless steel chair frame electroplating technology, it is characterised in that: its preparation process is as follows:
The de- processing of S1 heat: electroplating parts are placed on to the degreasing that electroplating parts surface is carried out in the water of 80 DEG C -100 DEG C of temperature
Processing, processing time are 3-5 minutes；
S2 ultrasonic oil removal: electroplating parts are subjected to ultrasonic oil removal, temperature is 55-65 DEG C, and ultrasonic filtration is more than 2500W；
S3 pickling: electroplating parts put into pickling using nitric acid 40-50g/L and HF40-50g/L mixed solution in impregnate, temperature
60-80 DEG C of degree, time 5-10 minute；
S4 washing: cleaning electroplating parts clear water, and scavenging period is -90 seconds 60 seconds；
S5 polishing: electroplating parts are placed in plating polishing agent and are impregnated 1-2 minutes；
S6 plating: polished electroplating parts are connected to the cathode of electroplating pool, and are electroplated；
S7 passivation: the electroplating parts surface being electroplated spraying passivating solution is formed into passivating film；
S8 maintenance: passivating film stands 1-2 hours at dry shady and cool ventilation after being formed.
2. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: S6 plating is plating semi-gloss
Electroplating parts are then placed into nickel electrowinning pond by nickel, carry out electronickelling work, electroplate liquid 25g/L- by cathode of electroplating parts
30g/L nickel sulfate, 40g/L-45g/L nickel chloride, 35g/L-40g/L boric acid are mixed to prepare, and electroplating time is 240 seconds -260
Second.
3. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: S6 plating is electric bright nickel plating,
Then electroplating parts are placed into nickel electrowinning pond, carry out electronickelling work, electroplate liquid 30g/L- by cathode of electroplating parts
35g/L nickel sulfate, 40g/L-45g/L nickel chloride, 40g/L-45g/L boric acid are mixed to prepare, and electroplating time is 260 seconds -300
Second.
4. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: S6 plating is that nickel envelope is handled,
Then electroplating parts are placed into nickel electrowinning pond, carry out electronickelling work, electroplate liquid 35g/L- by cathode of electroplating parts
40g/L nickel sulfate, 45g/L-50g/L nickel chloride, 45g/L-50g/L boric acid are mixed to prepare, and electroplating time is 300 seconds -360
Second.
5. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: S6 plating is plates husky nickel, then
Electroplating parts are placed into nickel electrowinning pond, carry out electronickelling work, electroplate liquid 40g/L-50g/L by cathode of electroplating parts
Nickel sulfate, 45g/L-50g/L nickel chloride, 60g/L-70g/L boric acid are mixed to prepare, and electroplating time is -450 seconds 400 seconds.
6. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: S6 plating is chromium plating, then will
Electroplating parts are placed into chromium electrolytic cell, and electroplate liquid is with 25g/L-28g/L chromic anhydride, 20g/L-30g/L trivalent chromium, 1.2g/L-
1.6g/L sulfuric acid is mixed to prepare, and electroplating time is -210 seconds 150 seconds.
7. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: S6 plating is the thick hard chrome of plating,
Then electroplating parts are placed into chromium electrolytic cell, electroplate liquid is with 40g/L-50g/L chromium sulfate or potassium chromium sulfate, 5g/L-10g/L
Nitrilotriacetic acid, 60g/L-70g/L potassium bromide or potassium fluoride are mixed to prepare, and electroplating time is -250 seconds 200 seconds.
8. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: the plating polishing agent in S5 is
The polishing mixed liquor that 30g/L ammonium acid fluoride, 15g/L acetic acid, 250g/L hydrogen peroxide mix.
9. a kind of stainless steel chair frame electroplating technology according to claim 1, it is characterised in that: the passivating solution in S7 is 5%
Chromic acid, 3% tartrate, 1.5% sodium fluoride, 7% citrate, 6% silicate, 4% molybdate mixed solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101120.5A CN109112594A (en) | 2018-09-20 | 2018-09-20 | A kind of stainless steel chair frame electroplating technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101120.5A CN109112594A (en) | 2018-09-20 | 2018-09-20 | A kind of stainless steel chair frame electroplating technology |
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| CN109112594A true CN109112594A (en) | 2019-01-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652845A (en) * | 2019-01-18 | 2019-04-19 | 东华大学 | A kind of preparation method of graphene enhancing composite coating based on chromium |
| CN110158131A (en) * | 2019-06-05 | 2019-08-23 | 涓ュ缓 | A kind of strengthening treatment process of stainless steel surface |
-
2018
- 2018-09-20 CN CN201811101120.5A patent/CN109112594A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652845A (en) * | 2019-01-18 | 2019-04-19 | 东华大学 | A kind of preparation method of graphene enhancing composite coating based on chromium |
| CN110158131A (en) * | 2019-06-05 | 2019-08-23 | 涓ュ缓 | A kind of strengthening treatment process of stainless steel surface |
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Application publication date: 20190101 |