CN105755392B - A kind of preparation method of anti-bacteria stainless steel outlet device tensioning member - Google Patents
A kind of preparation method of anti-bacteria stainless steel outlet device tensioning member Download PDFInfo
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- CN105755392B CN105755392B CN201610178009.0A CN201610178009A CN105755392B CN 105755392 B CN105755392 B CN 105755392B CN 201610178009 A CN201610178009 A CN 201610178009A CN 105755392 B CN105755392 B CN 105755392B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/22—Outlet devices mounted in basins, baths, or sinks
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
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- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a kind of preparation method of anti-bacteria stainless steel outlet device tensioning member, include one-off drawing, one of intermediate annealing, succeeding stretch, two intermediate annealings, crimping, rough silk and thin wire drawing successively, raw materials used is austenite antimicrobial stainless steel, wherein Cu=3.5~4.5wt%, C≤0.08wt%, Si≤1.0wt%, Mn≤2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe；One of intermediate annealing is bright annealing, and annealing atmosphere is ammonia, and annealing temperature is 1000~1060 DEG C, 2~10min of annealing soaking time；Two intermediate annealings are bright annealing, and annealing atmosphere is ammonia, and annealing temperature is 1010~1050 DEG C, 2~10min of annealing soaking time.Any surface finish for the outlet device tensioning member that the preparation method of the present invention makes is smooth, easily realizes volume production, cheap, and anti-microbial property is stable.
Description
Technical field
The invention belongs to sanitaryware processing technique field, and in particular to a kind of system of anti-bacteria stainless steel outlet device tensioning member
Make method.
Background technology
With expanding economy and the lifting of people's living standard, increasing people begins to focus on quality of the life and body
Health.Epidemic disease all triggers the fear of people each time, and damage difficult to the appraisal is brought to social stability and economic development
Lose, in face of the viral bacterium wreaked havoc rampantly, people's one side studies various antibiotic, and active treatment, another side research is various to be resisted
Bacterium product, the propagation of bacterium is begun to switch off from source.The antibacterial research of metal material starts from the nineties in last century, by for many years
Research, the research of anti-bacteria stainless steel all achieves notable achievement, and is applied to kitchen and bath's neck that microorganism is easiest to grow
Domain.
CN102327080A discloses a kind of stainless steel sink, by into stainless steel add 3~4% copper ions, 0.01~
1% silver ion prepares the stainless steel sink with anti-microbial property, is full material type anti-bacteria stainless steel product, and anti-microbial property is good
It is good, but need to add silver ion into stainless steel, and silver ion can have a strong impact on the processing characteristics of stainless steel and expensive.
CN201771034U discloses a kind of antibacterial outlet device, by being applied on the outlet device inner body wall to fluted body and delivery port filter screen
Cover antibiosis and self-cleaning film and obtain antibacterial outlet device, it is surface type anti-bacteria stainless steel product, after wearing by long-term use, that is, is lost anti-
Bacterium ability, the life-span is shorter, and anti-microbial property is unstable.
The content of the invention
It is an object of the invention to overcome prior art defect, there is provided a kind of making of anti-bacteria stainless steel outlet device tensioning member
Method.
The concrete technical scheme of the present invention is as follows：
A kind of preparation method of anti-bacteria stainless steel outlet device tensioning member, successively including one-off drawing, one of intermediate annealing, two
Secondary stretching, two intermediate annealings, crimping, rough silk and thin wire drawing,
Raw materials used is austenite antimicrobial stainless steel, wherein Cu=3.5~4.5wt%, C≤0.08wt%, Si≤
1.0wt%, Mn≤2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%,
Surplus is that Fe (when copper content is less than 3.5wt.%, lost after intermediate annealing, and the killing rate of Escherichia coli is less than by anti-microbial property
90%；When copper content is higher than 4.5wt.%, the poor ductility of steel plate, easily ftractures during stretching, industrial production can not be met)；
One of intermediate annealing is bright annealing, and annealing atmosphere is ammonia, and annealing temperature is 1000~1060 DEG C, annealing insulation
(when one intermediate anneal temperature is less than 1000 DEG C, antibacterial steel plate tearing tendency is serious, easily occurs during stretching by 2~10min of time
Cracking；When one of intermediate anneal temperature is higher than 1060 DEG C, crystal grain will excessively grow up, and tangerine hull constitution occurs in surface of steel plate, even if through
Wire drawing process is crossed, tangerine hull constitution still has, and has a strong impact on the presentation quality of product；One of intermediate annealing soaking time is less than
During 2min, antibacterial is softing insufficient, and tearing tendency still has；When one of intermediate annealing soaking time is more than 10min, resist
Tangerine hull constitution also occurs in bacterium surface of steel plate)；
Two intermediate annealings are bright annealing, and annealing atmosphere is ammonia, and annealing temperature is 1010~1050 DEG C, annealing insulation
(when two intermediate anneal temperatures are less than 1010 DEG C, antibacterial steel plate tearing tendency is serious, easily occurs during stretching by 2~10min of time
Cracking；When two intermediate anneal temperatures are higher than 1050 DEG C, crystal grain will excessively grow up, and tangerine hull constitution occurs in surface of steel plate, even if through
Wire drawing process is crossed, tangerine hull constitution still has, and has a strong impact on product appearance quality；Two intermediate annealing soaking times are less than 2min
When, antibacterial is softing insufficient, and tearing tendency still has；When two intermediate annealing soaking times are more than 10min, antibacterial steel
Tangerine hull constitution also occurs in plate surface).
It is above-mentioned together and the atmosphere of two intermediate annealings must be protection of ammonia atmosphere, otherwise surface of steel plate is by serious oxygen
Change, cause steel plate to be difficult to shape.
One-off drawing stretches for hydraulic press, and stretching pressure is 620~640T, 5~7cm of stroke；
Succeeding stretch stretches for hydraulic press, stretches 780~820T of pressure, 2~4cm of stroke；
Crimping stretches for hydraulic press, 230~270T of stretching pressure；5~10cm of stroke.
In a preferred embodiment of the invention, the annealing temperature of one of the intermediate annealing is 1020~1050
DEG C, 2~5min of annealing soaking time.
It is further preferred that the annealing temperature of two intermediate annealing is 1020~1040 DEG C, annealing soaking time 5~
10min。
In a preferred embodiment of the invention, the annealing temperature of one of the intermediate annealing is 1020~1050
DEG C, 5~10min of annealing soaking time.
It is further preferred that the annealing temperature of two intermediate annealing is 1020~1040 DEG C, annealing soaking time 2~
5min。
In a preferred embodiment of the invention,：The annealing temperature of one of the intermediate annealing is 1030 DEG C, annealing
2~5min of soaking time.
It is further preferred that the annealing temperature of two intermediate annealing is 1020 DEG C, 2~5min of annealing soaking time.
It is further preferred that the type of cooling of one of the intermediate annealing is air cooling.
It is further preferred that the type of cooling of two intermediate annealing is air cooling.
The beneficial effects of the invention are as follows：
1st, any surface finish for the outlet device tensioning member that preparation method of the invention makes is smooth, its material containing only copper ion,
The processing characteristics of stainless steel is not influenceed, easily realizes volume production, and it is cheap；
2nd, the outlet device tensioning member that preparation method of the invention makes is full material anti-bacteria stainless steel product, it is durable in use and
Anti-microbial property is stable；
3rd, specific annealing temperature and soaking time can effectively reduce anti-bacteria stainless steel in preparation method of the invention
Tearing tendency, ensure any surface finish without orange peel, while outlet device is possessed excellent anti-microbial property.
Embodiment
Technical scheme is further detailed and described below by way of embodiment.
The preparation method of anti-bacteria stainless steel outlet device tensioning member in following embodiments is successively including in one-off drawing, one
Between annealing, succeeding stretch, two intermediate annealings, crimping, rough silk and thin wire drawing, wherein one-off drawing be hydraulic press stretching, draw
It is 620~640T, 5~7cm of stroke to stretch pressure；Succeeding stretch stretches for hydraulic press, stretching 780~820T of pressure, and stroke 2~
4cm；Crimping stretches for hydraulic press, 230~270T of stretching pressure；5~10cm of stroke.
Embodiment 1
Using austenite antimicrobial stainless steel as raw material (Cu=3.52wt.%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere is protection of ammonia atmosphere, and holding temperature is 1030 DEG C, is protected
Warm time 8min, the type of cooling are air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, insulation temperature
Spend for 1020 DEG C, soaking time 3min.The smooth no tangerine hull constitution of antibacterial outlet device any surface finish prepared, to Escherichia coli and
The killing rate of staphylococcus aureus is more than 99%.
Embodiment 2
Using austenite antimicrobial stainless steel as raw material (cupric 4.18wt%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere is protection of ammonia atmosphere, and holding temperature is 1030 DEG C, is protected
Warm time 8min, the type of cooling are air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, insulation temperature
Spend for 1020 DEG C, soaking time 3min.The smooth no tangerine hull constitution of antibacterial outlet device any surface finish prepared, to Escherichia coli and
The killing rate of staphylococcus aureus is more than 99%.
Embodiment 3
Using austenite antimicrobial stainless steel as raw material (cupric 3.52wt%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere is protection of ammonia atmosphere, and holding temperature is 1030 DEG C, is protected
Warm time 3min, the type of cooling are air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, insulation temperature
Spend for 1020 DEG C, soaking time 8min.The smooth no tangerine hull constitution of antibacterial outlet device any surface finish prepared, to Escherichia coli and
The killing rate of staphylococcus aureus is more than 99%.
Embodiment 4
Using austenite antimicrobial stainless steel as raw material (cupric 4.18wt%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere is protection of ammonia atmosphere, and holding temperature is 1030 DEG C, is protected
Warm time 3min, the type of cooling are air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, insulation temperature
Spend for 1020 DEG C, soaking time 8min.The smooth no tangerine hull constitution of antibacterial outlet device any surface finish prepared, to Escherichia coli and
The killing rate of staphylococcus aureus is more than 99%.
Embodiment 5
Using austenite antimicrobial stainless steel as raw material (cupric 4.18wt%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere is protection of ammonia atmosphere, and holding temperature is 1030 DEG C, is protected
Warm time 3min, the type of cooling are air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, insulation temperature
Spend for 1020 DEG C, soaking time 3min.The smooth no tangerine hull constitution of antibacterial outlet device any surface finish prepared, to Escherichia coli and
The killing rate of staphylococcus aureus is more than 99%.
Comparative example 1
Using austenite antimicrobial stainless steel as raw material (cupric 3.52wt%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere protection of ammonia atmosphere, holding temperature is 950 DEG C, during insulation
Between 10min, the type of cooling is air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, and holding temperature is
1000 DEG C, soaking time 5min.Cracking rate is 30% in one-off drawing in outlet device preparation process, and cracking rate is in succeeding stretch
20%.Total cracking rate is 44%.
Comparative example 2
Using austenite antimicrobial stainless steel as raw material (cupric 3.52wt.%, C≤0.08wt%, Si≤1.0wt%, Mn≤
2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe) make
Outlet device tensioning member.The technological parameter of one of intermediate annealing is：Atmosphere protection of ammonia atmosphere, holding temperature are 1070 DEG C, insulation
Time 5min, the type of cooling are air cooling.The technological parameter of two intermediate annealings is：Atmosphere is protection of ammonia atmosphere, holding temperature
For 1060 DEG C, soaking time 5min.There is tangerine hull constitution on outlet device surface after wire drawing, is still removed by multiple wire drawing,
Presentation quality is poor.
The contrast of the design parameter of the various embodiments described above and comparative example is as follows：
The heat treatment process parameter and performance of 1. different embodiments of table
The foregoing is only a preferred embodiment of the present invention, therefore can not limit the scope that the present invention is implemented according to this, i.e.,
The equivalent changes and modifications made according to the scope of the claims of the present invention and description, all should still it belong in the range of the present invention covers.
Claims (9)
1. a kind of preparation method of anti-bacteria stainless steel outlet device tensioning member, successively including one-off drawing, one of intermediate annealing, secondary
Stretching, two intermediate annealings, crimping, rough silk and thin wire drawing, it is characterised in that：
Raw materials used is austenite antimicrobial stainless steel, wherein Cu=3.5~4.5wt%, C≤0.08wt%, Si≤1.0wt%,
Mn≤2.0wt%, P≤0.045wt%, S≤0.03wt%, Ni=8~10.5wt%, Cr=17~19wt%, surplus Fe；
One-off drawing stretches for hydraulic press, and stretching pressure is 620~640T, 5~7cm of stroke；
One of intermediate annealing is bright annealing, and annealing atmosphere is ammonia, and annealing temperature is 1000~1060 DEG C, soaking time of annealing
2~10min；
Succeeding stretch stretches for hydraulic press, stretches 780~820T of pressure, 2~4cm of stroke；
Two intermediate annealings are bright annealing, and annealing atmosphere is ammonia, and annealing temperature is 1010~1050 DEG C, soaking time of annealing
2~10min；
Crimping stretches for hydraulic press, 230~270T of stretching pressure；5~10cm of stroke.
A kind of 2. preparation method of anti-bacteria stainless steel outlet device tensioning member as claimed in claim 1, it is characterised in that：Described one
The annealing temperature of road intermediate annealing is 1020~1050 DEG C, 2~5min of annealing soaking time.
A kind of 3. preparation method of anti-bacteria stainless steel outlet device tensioning member as claimed in claim 2, it is characterised in that：Described two
The annealing temperature of road intermediate annealing is 1020~1040 DEG C, 5~10min of annealing soaking time.
A kind of 4. preparation method of anti-bacteria stainless steel outlet device tensioning member as claimed in claim 1, it is characterised in that：Described one
The annealing temperature of road intermediate annealing is 1020~1050 DEG C, 5~10min of annealing soaking time.
A kind of 5. preparation method of anti-bacteria stainless steel outlet device tensioning member as claimed in claim 4, it is characterised in that：Described two
The annealing temperature of road intermediate annealing is 1020~1040 DEG C, 2~5min of annealing soaking time.
A kind of 6. preparation method of anti-bacteria stainless steel outlet device tensioning member as claimed in claim 1, it is characterised in that：Described one
The annealing temperature of road intermediate annealing is 1030 DEG C, 2~5min of annealing soaking time.
A kind of 7. preparation method of anti-bacteria stainless steel outlet device tensioning member as claimed in claim 6, it is characterised in that：Described two
The annealing temperature of road intermediate annealing is 1020 DEG C, 2~5min of annealing soaking time.
8. a kind of preparation method of anti-bacteria stainless steel outlet device tensioning member as described in any claim in claim 1 to 7,
It is characterized in that：The type of cooling of one of the intermediate annealing is air cooling.
9. a kind of preparation method of anti-bacteria stainless steel outlet device tensioning member as described in any claim in claim 1 to 7,
It is characterized in that：The type of cooling of two intermediate annealing is air cooling.
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| CN108359914B (en) * | 2018-02-07 | 2020-07-17 | 九牧厨卫股份有限公司 | Manufacturing method of antibacterial stainless steel water tank |
| CN109201837A (en) * | 2018-08-15 | 2019-01-15 | 东莞市瑞成精密模具有限公司 | A kind of battery steel shell drawing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429628A (en) * | 2007-11-10 | 2009-05-13 | 顾贤良 | Austenite antimicrobial stainless steel |
| CN101890441A (en) * | 2010-08-06 | 2010-11-24 | 天津润德中天钢管有限公司 | Method for manufacturing cold-drawing seamless tube used for diving oxygen cylinder |
| CN102560268A (en) * | 2010-12-08 | 2012-07-11 | 中国科学院金属研究所 | Ultra-low carbon high strength stainless steel thin pipe and manufacturing method thereof |
| CN104831188A (en) * | 2015-03-30 | 2015-08-12 | 北京中科普金特种材料技术发展有限公司 | Heat treatment method of 304 type antibacterial stainless steel plate strip |
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2016
- 2016-03-25 CN CN201610178009.0A patent/CN105755392B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429628A (en) * | 2007-11-10 | 2009-05-13 | 顾贤良 | Austenite antimicrobial stainless steel |
| CN101890441A (en) * | 2010-08-06 | 2010-11-24 | 天津润德中天钢管有限公司 | Method for manufacturing cold-drawing seamless tube used for diving oxygen cylinder |
| CN102560268A (en) * | 2010-12-08 | 2012-07-11 | 中国科学院金属研究所 | Ultra-low carbon high strength stainless steel thin pipe and manufacturing method thereof |
| CN104831188A (en) * | 2015-03-30 | 2015-08-12 | 北京中科普金特种材料技术发展有限公司 | Heat treatment method of 304 type antibacterial stainless steel plate strip |
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