CN108149233A - A kind of carbon steel wire rod with high phosphating process at medium temperature - Google Patents
A kind of carbon steel wire rod with high phosphating process at medium temperature Download PDFInfo
- Publication number
- CN108149233A CN108149233A CN201711361260.1A CN201711361260A CN108149233A CN 108149233 A CN108149233 A CN 108149233A CN 201711361260 A CN201711361260 A CN 201711361260A CN 108149233 A CN108149233 A CN 108149233A
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- CN
- China
- Prior art keywords
- phosphating
- wire rod
- steel wire
- ratio
- carbon steel
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Classifications
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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
- C23C22/34—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 fluorides or complex fluorides
- C23C22/36—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 fluorides or complex fluorides containing also phosphates
Abstract
A kind of carbon steel wire rod with high phosphating process at medium temperature, 44 48 points of General Acidity in Phosphating Solution, 68 points of free acid, sour ratio 5.5, ZnO concentration 20 22 g/L, NO3 ‑Concentration 24 25g/L, NO3 ‑With the ratio 54% of total acid, PO4 3‑Concentration 16g/L, PO4 3‑With the ratio 34% of total acid, 2.5 3.8 ‰ NaF/HF buffer substances and complex compound, 1.5 ‰ Ni are added in phosphating solution2+, it is 55 ± 3 DEG C, 220 ± 20s of phosphating time in phosphatization temperature, through parkerized wire quality is good, phosphatization film thickness is high, reduces the consumption of natural gas and phosphating solution, reduce phosphating solution into the quantity of slag, reduce production cost.
Description
Technical field
The present invention relates to a kind of carbon steel wire rod with high phosphating process at medium temperature, belong to metal product processing technique field.
Background technology
Domestic carbon steel wire rod with high phosphatization is divided into low temperature phosphor, middle temperature phosphating and high temperature phosphorization substantially at present.For medium temperature
Phosphating process, phosphatization temperature are 70 DEG C or so, and phosphatization film thickness is 8.0g/ ㎡, present invention solves the technical problem that being to ensure
Reduce phosphatization temperature under the premise of phosphatization film thickness is constant, it is not only energy-saving, but also high degree reduces equipment
Maintenance cost.
Invention content
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of carbon steel wire rod with high phosphating process at medium temperature,
Solve middle temperature phosphating technical problem at a lower temperature.
The present invention mesh technical solution be：By changing the parameter of phosphating solution, sour ratio is reduced, increases PH buffer substances and network
Object is closed, reduces sediment weight, improves Zn2+And NO3 -Ratio reduces PO43-Ratio adds quantitative Ni2+；Using ensure phosphating time as
During 220 ± 20s, wire rod alramenting film surface quality is good after phosphatization temperature drops to 55 ± 3 DEG C by 70 DEG C, and thickness is more than
8.0g/㎡。
The carbon steel wire rod with high phosphating process at medium temperature of the present invention, phosphating solution parameter are：Total acidity：44-48 points, free acid：6-8
Point, sour ratio：5.5, ZnO concentration：20-22 g/L, NO3 -Concentration：24-25g/L, NO3 -With the ratio 54% of total acid, PO4 3-Concentration：
16g/L, PO4 3-With the ratio 34% of total acid, phosphatization temperature：55 ± 3 DEG C, phosphating time：220±20s.
2.5-3.8 ‰ is also added in phosphating solution of the present invention（Weight percent）NaF/HF buffer substances and
Complex compound, can stablizing solution pH value in 1.9-2.1, reduce sour ratio.
1.5 ‰ are also added in phosphating solution of the present invention（Weight percent）Ni2+, Ni2+Fe-Ni is formed with Fe
Metal micro cell accelerates electrochemical corrosion, improves rate of film build.
It is using the advantageous effect of above-mentioned technical proposal：Wire rod appearance is good, phosphatization film thickness is high, and surface meets follow-up
Drawing requirement, reduces the consumption of natural gas and phosphating solution, reduces phosphating solution into the quantity of slag, has saved production and cost of labor.
Specific embodiment
Present invention combination following Examples are described in further detail：
The carbon steel wire rod with high phosphating process at medium temperature of the present invention, phosphating solution parameter are：Total acidity：44-48 points, free acid：6-8 points,
Sour ratio：5.5, ZnO concentration：20-22 g/L, NO3 -Concentration：24-25g/L, NO3 -With the ratio 54% of total acid, PO4 3-Concentration：
16g/L, PO4 3-With the ratio 34% of total acid, phosphatization temperature：55 ± 3 DEG C, phosphating time：220±20s.
2.5-3.8 ‰ is also added in the phosphating solution（Weight percent）NaF/HF buffer substances and complex compound,
Can stablizing solution pH value in 1.9-2.1, reduce sour ratio.
1.5 ‰ are also added in the phosphating solution（Weight percent）Ni2+, Ni2+It is micro- that Fe-Ni metals are formed with Fe
Battery accelerates electrochemical corrosion, improves rate of film build.
For the present invention compared with former phosphating process at medium temperature, output increased, gas consumption is reduced to 2.14m3/ by 2.2m3/t
T, phosphating solution consumption are reduced to 2.02kg/t by 2.34 kg/t, and phosphating solution slag hitting time interval was increased to 3 months by 2 months.
The water steel wire rod of φ 12.5mm82B is selected in the inspection of phosphatization film thickness, using identical drawing process same during drawing
Drawing is carried out on platform straight drawing machine, drawing speed is 5m/s, and phosphating coat average weight is 8.27g/ ㎡, and steel wire is comprehensive
It can improve, bending improves 1-2 times, and torsion improves 1-2 times.
Claims (3)
1. a kind of carbon steel wire rod with high phosphating process at medium temperature, it is characterized in that：Phosphating solution parameter is：Total acidity：44-48 points, free acid：
6-8 points, sour ratio：5.5, ZnO concentration：20-22 g/L, NO3 -Concentration：24-25g/L, NO3 -With the ratio 54% of total acid, PO4 3-It is dense
Degree：16g/L, PO4 3-With the ratio 34% of total acid, phosphatization temperature：55 ± 3 DEG C, phosphating time：220±20s.
2. carbon steel wire rod with high phosphating process at medium temperature as described in claim 1, it is characterized in that：It is also added in the phosphating solution
2.5-3.8‰（Weight percent）NaF/HF buffer substances and complex compound, can stablizing solution pH value in 1.9-2.1, reduce acid
Than.
3. carbon steel wire rod with high phosphating process at medium temperature as claimed in claim 1 or 2, it is characterized in that：Also add in the phosphating solution
Added with 1.5 ‰（Weight percent）Ni2+, Ni2+Fe-Ni metal micro cells are formed with Fe, accelerates electrochemical corrosion, improves into
Film rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361260.1A CN108149233A (en) | 2017-12-18 | 2017-12-18 | A kind of carbon steel wire rod with high phosphating process at medium temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361260.1A CN108149233A (en) | 2017-12-18 | 2017-12-18 | A kind of carbon steel wire rod with high phosphating process at medium temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108149233A true CN108149233A (en) | 2018-06-12 |
Family
ID=62467397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711361260.1A Pending CN108149233A (en) | 2017-12-18 | 2017-12-18 | A kind of carbon steel wire rod with high phosphating process at medium temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108149233A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660150A (en) * | 2009-08-25 | 2010-03-03 | 沈阳宏迪科技有限公司 | Normal-temperature phosphorizing liquid |
| CN102212814A (en) * | 2011-06-02 | 2011-10-12 | 厦门大学 | Phosphating liquid and preparation method thereof |
| CN103993307A (en) * | 2014-06-13 | 2014-08-20 | 贵州钢绳股份有限公司 | Phosphating method of large-diameter high-carbon steel wire rod |
| CN106011447A (en) * | 2016-08-02 | 2016-10-12 | 贵州钢绳股份有限公司 | Method for shortening natural aging of 82B wire rod |
| CN106756938A (en) * | 2017-02-15 | 2017-05-31 | 李啸春 | Normal-temperature zinc series are without slag bonderite and production method |
-
2017
- 2017-12-18 CN CN201711361260.1A patent/CN108149233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660150A (en) * | 2009-08-25 | 2010-03-03 | 沈阳宏迪科技有限公司 | Normal-temperature phosphorizing liquid |
| CN102212814A (en) * | 2011-06-02 | 2011-10-12 | 厦门大学 | Phosphating liquid and preparation method thereof |
| CN103993307A (en) * | 2014-06-13 | 2014-08-20 | 贵州钢绳股份有限公司 | Phosphating method of large-diameter high-carbon steel wire rod |
| CN106011447A (en) * | 2016-08-02 | 2016-10-12 | 贵州钢绳股份有限公司 | Method for shortening natural aging of 82B wire rod |
| CN106756938A (en) * | 2017-02-15 | 2017-05-31 | 李啸春 | Normal-temperature zinc series are without slag bonderite and production method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180612 |
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| WD01 | Invention patent application deemed withdrawn after publication |