CN104451434B - A kind of strong corrosion resistant galvanized strand wires and its manufacture method - Google Patents
A kind of strong corrosion resistant galvanized strand wires and its manufacture method Download PDFInfo
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- CN104451434B CN104451434B CN201410620816.4A CN201410620816A CN104451434B CN 104451434 B CN104451434 B CN 104451434B CN 201410620816 A CN201410620816 A CN 201410620816A CN 104451434 B CN104451434 B CN 104451434B
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Abstract
The invention discloses a kind of strong corrosion resistant galvanized strand wires, its each component percentage by weight is：C：0.83‑0.85%、Mn：0.76‑0.78%、Si：0.09‑0.13%、Cr：0.53‑0.55%、Mo：0.16‑0.18%、Ni：0.41‑0.43%、V：0.015‑0.025%、B：0.003 0.005%, P≤0.015%, S≤0.012%, Cu≤0.17%, N≤0.005%, remaining is Fe and inevitable impurity；The invention also discloses a kind of manufacture method of strong corrosion resistant galvanized strand wires；Product corrosion resistance of the present invention is strong, fatigue performance is high, and high purity, composition and the even tissue of wire rod steel, and service life is long.
Description
Technical field
The invention belongs to metallic article technical field, it is related to a kind of strong corrosion resistant galvanized strand wires and its manufacture method.
Background technology
Since 1990s, China has built over one hundred cable bridge (such as：Suspension bridge, cable-stayed bridge and arch suspension bridge),
But these bridges are generally double tower carrying or multitower carrying, to the bearing capacity of cable steel wire and its product, toughness and plasticity, bending resistance
Bent fatigue performance requires not high, Bridge Design service life about 60-80.With the increasingly exacerbation of air pollution, bridge
The endurance issues of funicular system start to show, the cable extent of corrosion and speed of many cable bridges well beyond expection, if
The cable that meter is changed once for 30 years, has often been used after more than 10 years just because the serious phenomenon such as cable breaks occur in various corrosion.Very
Extremely for the security for ensureing bridge, cable is changed in advance.The replacing of cable needs substantial amounts of manpower and materials, causes huge
Economic loss, therefore extremely urgent is studied to the corrosion of Bridge Cable Systems.Because cable inner wire corrosion is asked
Topic, it is not only difficult to check but also difficult, therefore user also pays much attention to anti-chemical etching problem, national industrial policy and potentiality is huge
The big market demand, all calls the novel bridge cable prestressing force of a kind of high-intensity high-tenacity high fatigue property and highly corrosion resistant
The appearance of muscle.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcoming of prior art there is provided a kind of strong corrosion resistant is zinc-plated
Steel strand wires and its manufacture method, product corrosion resistance of the present invention is strong, fatigue performance is high, and the high purity of wire rod steel, into
Divide and even tissue, service life is long.
In order to solve the above technical problems, the present invention provides a kind of strong corrosion resistant galvanized strand wires, its each component weight
Percentage is：
C：0.83-0.85%, Mn：0.76-0.78%, Si：0.09-0.13%, Cr：0.53-0.55%, Mo：0.16-
0.18%th, Ni：0.41-0.43%, V：0.015-0.025%, B：0.003-0.005%, P≤0.015%, S≤0.012%,
Cu≤0.17%, N≤0.005%, remaining is Fe and inevitable impurity.
The technical scheme that further limits of the present invention is：
The present invention provides a kind of strong corrosion resistant galvanized strand wires, and its each component percentage by weight is：
C：0.83%th, Mn：0.76%th, Si：0.09%th, Cr：0.53%th, Mo：0.16%th, Ni：0.41%th, V：0.015%th,
B：0.003%th, P：0.015%th, S：0.012%th, Cu：0.17%th, N：0.005%, remaining is Fe and inevitable impurity.
The present invention provides a kind of strong corrosion resistant galvanized strand wires, and its each component percentage by weight is：
C：0.85%th, Mn：0.78%th, Si：0.13%th, Cr：0.55%th, Mo：0.18%th, Ni：0.43%th, V：0.025%th,
B：0.005%th, P：0.005%th, S：0.004%th, Cu：0.08%th, N：0.001%, remaining is Fe and inevitable impurity.
The present invention provides a kind of strong corrosion resistant galvanized strand wires, and its each component percentage by weight is：
C：0.84%th, Mn：0.77%th, Si：0.11%th, Cr：0.54%th, Mo：0.17%th, Ni：0.42%th, V：0.020%th,
B：0.004%th, P：0.010%th, S：0.008%th, Cu：0.12%th, N：0.003%, remaining is Fe and inevitable impurity.
Cr contents are 0.53-0.55% in the present invention, and Cr elements can increase the corrosion resistance of ferroalloy, and in an atmosphere very
Chrome green is easily oxidized to, just because of this layer of densification and stable oxide-film, makes the phase suitable in Oxidant
It is anti-corrosion, and because Cr corrosion potential is lower than Fe, while oxide-film is formed, the increases of Cr contents can make corrosion potential to
Negative potential direction is moved, and it is more easy to passivation, so as to reach etch-proof effect.
Ni containing 0.41-0.43% in the present invention, nickel is excellent resistant material, and nickel is to form austenite in steel
Important element, particularly simultaneously when nickel and chromium are present in stainless steel, nickeliferous stainless steel but has extremely strong corrosion-resistant
Property, and with good toughness and mechanical performance, improve the tensile capacity of metal.
Further,
The present invention also provides a kind of manufacture method of strong corrosion resistant galvanized strand wires, and specific steps include：Wire rod hydrochloric acid
Wash-wash-high pressure water washing-phosphatization-washing-saponification-drying-drawing-lead bath-washing-pickling-wash-help plating-galvanizing-
Twisting-stabilization processes-packaging-storage；
The wire rod salt pickling：Wire rod is put into pickling 15-20min in the hydrochloric acid pond that mass fraction is 16-18%, gone
Except the iron scale on wire rod surface；
The middle temperature phosphating：Wire rod after high pressure water washing is put into free acidity 7-9 points, total acidity 85-95 points
Phosphorating treatment is carried out in phosphating pond, wire rod surface is formed the phosphating coat of one layer of high temperature high voltage resistant, is easy to high speed drawing；
The saponification：Wire rod is put into the saponification pond that soap lye mass fraction is 8-12% and carries out saponification process, in
With the residual acid on wire rod surface, and wire rod surface formed saponification coating, as Lubrication carrier in favor of wire rod high speed drawing；
The drawing：Using diameter 1000mm drawing blocks, the passage of drawing 9, drawing speed is 3-5m/s, it is desirable to steel wire temperature
85-105 DEG C of degree, a diameter of 1200mm of Receiving wire wheel, using the passage straight drawing machine of major diameter 9, each road second compression of correspondence
Rate is：18.8%th, 16.9%, 16.1%, 15.5%, 15.1%, 15.3%, 15.5%, 13.7%, 12.6%；
The lead bath：Wire rod is put into lead pool, lead liquid temperature degree is 445-455 DEG C, and take-up speed is 1-3m/s；
It is described to help plating：Fluxing agent is done using zinc chloride and sal-ammoniac mixed solvent, the mass ratio of zinc chloride and sal-ammoniac is
1/3-2/5, fluxing agent mass fraction is 13-15%, and quickening liquid pH value is 4.5-4.8, and quickening liquid temperature is 65-80 DEG C, ferrous
Salt mass concentration 7.5-9.5g/L, 165-180 DEG C of drying temperature；
The galvanizing：Zinc liquid temperature is 449-453 DEG C, and galvanizing time is 13-15s, and take-up speed is 7.8-8.2m/
Min, steel wire cooling adds the form of air cooling using water cooling, and one of water-cooled nozzle is set at about 380-480mm after steel wire extraction, and
Tuyere is set thereunder；
The twisting：6 sidelines and 1 cored wire are twisted into 1 × 7 structure, the steel strand wires lay pitch by formula buncher of skipping rope
Multiple is 13.8-15.2, steel strand wires lay pitch control range：Lower floor's lay pitch is 185-195mm, and the middle level lay pitch is 302-312mm, on
The layer lay pitch is 415-425mm.
The stabilization processes：88-98kN tension force is imposed to galvanized strand wires, is carried out by heating furnace at stabilisation
Reason, take-up speed is 65-85m/min, and cooling treatment is then carried out to galvanized strand wires, and processing method is that water cooling-air cooling is combined
Processing；Water cooling-air cooling in stabilization processes step, which is combined, to be processed as：One of water cooling is set to spray at 500mm after steel wire extraction
Mouth, and tuyere is set thereunder.
The beneficial effects of the invention are as follows：
Cr contents are 0.53-0.55% in the present invention, and Cr elements can increase the corrosion resistance of ferroalloy, and in an atmosphere very
Chrome green is easily oxidized to, just because of this layer of densification and stable oxide-film, makes the phase suitable in Oxidant
It is anti-corrosion, and because Cr corrosion potential is lower than Fe, while oxide-film is formed, the increases of Cr contents can make corrosion potential to
Negative potential direction is moved, and it is more easy to passivation, so as to reach etch-proof effect；And the wherein Ni containing 0.41-0.43%, nickel
It is excellent resistant material, nickel is the important element to form austenite in steel, particularly when simultaneously nickel and chromium are present in not
When in rust steel, nickeliferous stainless steel but has extremely strong corrosion resistance, and with good toughness and mechanical performance, improves gold
The tensile capacity of category.
In the present invention, during drawing process, the Reduction per draft of selection of small, can avoid when raw material intensity compared with
Greatly, when plasticity is poor, compression ratio crosses the hardening trend that steel wire processing is strengthened in conference, so that the toughness and plasticity to steel wire are unfavorable,
And be also prevented from excessive compression ratio damage is caused to mould, reduce influence to steel wire surface quality；Lead bath process can
Remove lubricant and phosphate that steel wire surface in drawing process is remained, it is to avoid it gets rusty because of secondary oxidation, prevents
It is polluted in transport and storing process by dust and corrosive gas；Help plating process can remove Steel Wire Surface through pickling and
The oxide and hydroxide formed after washing, it is to avoid face table is oxidized when steel wire enters zinc pot, while can remove zinc in zinc pot
The oxide on liquid surface；Finally to steel wire carry out stabilization processes, can twisted pair wire further reinforced so that twisted wire is not loose
Dissipate, it is indeformable, while twisted pair wire surface carries out the process for being heat-treated-cooling down, twisted wire surface strength and toughness can be increased, improve and twist
The mechanical performance of line.
Embodiment
Embodiment 1
The present embodiment provides a kind of strong corrosion resistant galvanized strand wires, and its each component percentage by weight is：
C：0.83%th, Mn：0.76%th, Si：0.09%th, Cr：0.53%th, Mo：0.16%th, Ni：0.41%th, V：0.015%th,
B：0.003%th, P：0.015%th, S：0.012%th, Cu：0.17%th, N：0.005%, remaining is Fe and inevitable impurity.
The present embodiment also provides a kind of manufacture method of strong corrosion resistant galvanized strand wires, and specific steps include：Wire rod salt
Plating-hot dip is washed-helped in pickling-washing-high pressure water washing-phosphatization-washing-saponification-drying-drawing-lead bath-washing-pickling-
Zinc-twisting-stabilization processes-packaging-storage；
The wire rod salt pickling：Wire rod is put into pickling 20min in the hydrochloric acid pond that mass fraction is 16%, wire rod is removed
The iron scale on surface；
The middle temperature phosphating：Wire rod after high pressure water washing is put into 7 points of free acidity, the phosphating pond that total acidity at 95 points
Middle carry out phosphorating treatment, makes wire rod surface form the phosphating coat of one layer of high temperature high voltage resistant, is easy to high speed drawing；
The saponification：Wire rod is put into the saponification pond that soap lye mass fraction is 8% and carries out saponification process, to neutralize disk
The residual acid on bar surface, and saponification coating is formed on wire rod surface, as Lubrication carrier in favor of wire rod high speed drawing；
The drawing：Using diameter 1000mm drawing blocks, the passage of drawing 9, drawing speed is 3m/s, it is desirable to wire temperature
105 DEG C, a diameter of 1200mm of Receiving wire wheel, using the passage straight drawing machine of major diameter 9, each Reduction per draft of correspondence is：
18.8%th, 16.9%, 16.1%, 15.5%, 15.1%, 15.3%, 15.5%, 13.7%, 12.6%；
The lead bath：Wire rod is put into lead pool, lead liquid temperature degree is 445 DEG C, and take-up speed is 3m/s；
It is described to help plating：Fluxing agent is done using zinc chloride and sal-ammoniac mixed solvent, the mass ratio of zinc chloride and sal-ammoniac is
1/3, fluxing agent mass fraction is 15%, and quickening liquid pH value is 4.5, and quickening liquid temperature is 80 DEG C, ferrous salt mass concentration 7.5g/
L, 180 DEG C of drying temperature；
The galvanizing：Zinc liquid temperature is 449 DEG C, and galvanizing time is 15s, and take-up speed is 7.8m/min, steel wire cooling
Using water cooling plus the form of air cooling, one of water-cooled nozzle is set at about 480mm after steel wire extraction, and wind is set thereunder
Mouth；
The twisting：6 sidelines and 1 cored wire are twisted into 1 × 7 structure, the steel strand wires lay pitch by formula buncher of skipping rope
Multiple is 13.8, steel strand wires lay pitch control range：Lower floor's lay pitch is 195mm, and the middle level lay pitch is 302mm, and the upper strata lay pitch is
425mm。
The stabilization processes：88kN tension force is imposed to galvanized strand wires, stabilization processes are carried out by heating furnace, is received
Linear velocity is 85m/min, and cooling treatment is then carried out to galvanized strand wires, and processing method is that water cooling-air cooling combines processing；It is stable
Water cooling-air cooling combination the processing changed in process step includes：One of water-cooled nozzle of setting at 500mm after steel wire extraction, and
Tuyere is set below.
Embodiment 2
The present embodiment provides a kind of strong corrosion resistant galvanized strand wires, and its each component percentage by weight is：
C：0.85%th, Mn：0.78%th, Si：0.13%th, Cr：0.55%th, Mo：0.18%th, Ni：0.43%th, V：0.025%th,
B：0.005%th, P：0.005%th, S：0.004%th, Cu：0.08%th, N：0.001%, remaining is Fe and inevitable impurity.
The present embodiment also provides a kind of manufacture method of strong corrosion resistant galvanized strand wires, and specific steps include：Wire rod salt
Plating-hot dip is washed-helped in pickling-washing-high pressure water washing-phosphatization-washing-saponification-drying-drawing-lead bath-washing-pickling-
Zinc-twisting-stabilization processes-packaging-storage；
The wire rod salt pickling：Wire rod is put into pickling 15min in the hydrochloric acid pond that mass fraction is 18%, wire rod is removed
The iron scale on surface；
The middle temperature phosphating：Wire rod after high pressure water washing is put into 9 points of free acidity, the phosphating pond that total acidity at 85 points
Middle carry out phosphorating treatment, makes wire rod surface form the phosphating coat of one layer of high temperature high voltage resistant, is easy to high speed drawing；
The saponification：Wire rod is put into the saponification pond that soap lye mass fraction is 12% and carries out saponification process, to neutralize
The residual acid on wire rod surface, and saponification coating is formed on wire rod surface, as Lubrication carrier in favor of wire rod high speed drawing；
The drawing：Using diameter 1000mm drawing blocks, the passage of drawing 9, drawing speed is 5m/s, it is desirable to wire temperature
85 DEG C, a diameter of 1200mm of Receiving wire wheel, using the passage straight drawing machine of major diameter 9, each Reduction per draft of correspondence is：
18.8%th, 16.9%, 16.1%, 15.5%, 15.1%, 15.3%, 15.5%, 13.7%, 12.6%；
The lead bath：Wire rod is put into lead pool, lead liquid temperature degree is 455 DEG C, and take-up speed is 1m/s；
It is described to help plating：Fluxing agent is done using zinc chloride and sal-ammoniac mixed solvent, the mass ratio of zinc chloride and sal-ammoniac is
2/5, fluxing agent mass fraction is 13%, and quickening liquid pH value is 4.8, and quickening liquid temperature is 65 DEG C, ferrous salt mass concentration 9.5g/
L, 165 DEG C of drying temperature；
The galvanizing：Zinc liquid temperature is 453 DEG C, and galvanizing time is 13s, and take-up speed is 8.2m/min, steel wire cooling
Using water cooling plus the form of air cooling, one of water-cooled nozzle is set at about 380mm after steel wire extraction, and wind is set thereunder
Mouth；
The twisting：6 sidelines and 1 cored wire are twisted into 1 × 7 structure, the steel strand wires lay pitch by formula buncher of skipping rope
Multiple is 15.2, steel strand wires lay pitch control range：Lower floor's lay pitch is 185mm, and the middle level lay pitch is 312mm, and the upper strata lay pitch is
415mm。
The stabilization processes：98kN tension force is imposed to galvanized strand wires, stabilization processes are carried out by heating furnace, is received
Linear velocity is 65m/min, and cooling treatment is then carried out to galvanized strand wires, and processing method is that water cooling-air cooling combines processing；It is stable
Water cooling-air cooling combination the processing changed in process step includes：One of water-cooled nozzle of setting at 500mm after steel wire extraction, and
Tuyere is set below.
Embodiment 3
The present embodiment provides a kind of strong corrosion resistant galvanized strand wires, and its each component percentage by weight is：
C：0.84%th, Mn：0.77%th, Si：0.11%th, Cr：0.54%th, Mo：0.17%th, Ni：0.42%th, V：0.020%th,
B：0.004%th, P：0.010%th, S：0.008%th, Cu：0.12%th, N：0.003%, remaining is Fe and inevitable impurity.
The present embodiment also provides a kind of manufacture method of strong corrosion resistant galvanized strand wires, and specific steps include：Wire rod salt
Plating-hot dip is washed-helped in pickling-washing-high pressure water washing-phosphatization-washing-saponification-drying-drawing-lead bath-washing-pickling-
Zinc-twisting-stabilization processes-packaging-storage；
The wire rod salt pickling：Wire rod is put into pickling 18min in the hydrochloric acid pond that mass fraction is 17%, wire rod is removed
The iron scale on surface；
The middle temperature phosphating：Wire rod after high pressure water washing is put into 8 points of free acidity, the phosphating pond that total acidity at 90 points
Middle carry out phosphorating treatment, makes wire rod surface form the phosphating coat of one layer of high temperature high voltage resistant, is easy to high speed drawing；
The saponification：Wire rod is put into the saponification pond that soap lye mass fraction is 10% and carries out saponification process, to neutralize
The residual acid on wire rod surface, and saponification coating is formed on wire rod surface, as Lubrication carrier in favor of wire rod high speed drawing；
The drawing：Using diameter 1000mm drawing blocks, the passage of drawing 9, drawing speed is 4m/s, it is desirable to wire temperature
95 DEG C, a diameter of 1200mm of Receiving wire wheel, using the passage straight drawing machine of major diameter 9, each Reduction per draft of correspondence is：
18.8%th, 16.9%, 16.1%, 15.5%, 15.1%, 15.3%, 15.5%, 13.7%, 12.6%；
The lead bath：Wire rod is put into lead pool, lead liquid temperature degree is 450 DEG C, and take-up speed is 2m/s；
It is described to help plating：Fluxing agent is done using zinc chloride and sal-ammoniac mixed solvent, the mass ratio of zinc chloride and sal-ammoniac is
3/5, fluxing agent mass fraction is 14%, and quickening liquid pH value is 4.7, and quickening liquid temperature is 72 DEG C, ferrous salt mass concentration 8.5g/
L, 173 DEG C of drying temperature；
The galvanizing：Zinc liquid temperature is 451 DEG C, and galvanizing time is 14s, and take-up speed is 8.0m/min, steel wire cooling
Using water cooling plus the form of air cooling, one of water-cooled nozzle is set at about 430mm after steel wire extraction, and wind is set thereunder
Mouth；
The twisting：6 sidelines and 1 cored wire are twisted into 1 × 7 structure, the steel strand wires lay pitch by formula buncher of skipping rope
Multiple is 14.5, steel strand wires lay pitch control range：Lower floor's lay pitch is 190mm, and the middle level lay pitch is 307mm, and the upper strata lay pitch is
420mm。
The stabilization processes：93kN tension force is imposed to galvanized strand wires, stabilization processes are carried out by heating furnace, is received
Linear velocity is 75m/min, and cooling treatment is then carried out to galvanized strand wires, and processing method is that water cooling-air cooling combines processing；It is stable
Water cooling-air cooling combination the processing changed in process step includes：One of water-cooled nozzle of setting at 500mm after steel wire extraction, and
Tuyere is set below.
The technological thought of above example only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within the scope of the present invention
Within.
Claims (5)
1. a kind of manufacture method of strong corrosion resistant galvanized strand wires, it is characterised in that specific steps include：The pickling of wire rod salt-
Plating-galvanizing-sth. made by twisting is washed-helped in washing-high pressure water washing-phosphatization-washing-saponification-drying-drawing-lead bath-washing-pickling-
System-stabilization processes-packaging-storage；
The wire rod salt pickling：Wire rod is put into pickling 15-20min in the hydrochloric acid pond that mass fraction is 16-18%, disk is removed
The iron scale on bar surface；
Middle temperature phosphating：Wire rod after high pressure water washing is put into free acidity 7-9 points, the phosphating pond of total acidity 85-95 points
Phosphorating treatment is carried out, wire rod surface is formed the phosphating coat of one layer of high temperature high voltage resistant, is easy to high speed drawing；
The saponification：Wire rod is put into the saponification pond that soap lye mass fraction is 8-12% and carries out saponification process, to neutralize disk
The residual acid on bar surface, and saponification coating is formed on wire rod surface, as Lubrication carrier in favor of wire rod high speed drawing；
The drawing：Using diameter 1000mm drawing blocks, the passage of drawing 9, drawing speed is 3-5m/s, it is desirable to wire temperature
85-105 DEG C, a diameter of 1200mm of Receiving wire wheel, using the passage straight drawing machine of major diameter 9, each Reduction per draft of correspondence
For：18.8%th, 16.9%, 16.1%, 15.5%, 15.1%, 15.3%, 15.5%, 13.7%, 12.6%；
The lead bath：Wire rod is put into lead pool, lead liquid temperature degree is 445-455 DEG C, and take-up speed is 1-3m/s；
It is described to help plating：Fluxing agent is done using zinc chloride and sal-ammoniac mixed solvent, the mass ratio of zinc chloride and sal-ammoniac is 1/3-
2/5, fluxing agent mass fraction is 13-15%, and quickening liquid pH value is 4.5-4.8, and quickening liquid temperature is 65-80 DEG C, ferrous salt matter
Measure concentration 7.5-9.5g/L, 165-180 DEG C of drying temperature；
The galvanizing：Zinc liquid temperature is 449-453 DEG C, and galvanizing time is 13-15s, and take-up speed is 7.8-8.2m/min, steel
Silk cooling adds the form of air cooling using water cooling, and one of water-cooled nozzle is set at 380-480mm after steel wire extraction, and thereunder
Tuyere is set；
The twisting：6 sidelines and 1 cored wire are twisted into 1 × 7 structure, steel strand wires laying pitch coefficient by formula buncher of skipping rope
For 13.8-15.2, steel strand wires lay pitch control range：Lower floor's lay pitch is 185-195mm, and the middle level lay pitch is 302-312mm, and upper strata is twisted with the fingers
Away from for 415-425mm；
The stabilization processes：88-98kN tension force is imposed to galvanized strand wires, stabilization processes are carried out by heating furnace, is received
Linear velocity is 65-85m/min, and cooling treatment is then carried out to galvanized strand wires, and processing method is that water cooling-air cooling combines processing；
The galvanized strand wires each component percentage by weight is：
C：0.83-0.85%, Mn：0.76-0.78%, Si：0.09-0.13%, Cr：0.53-0.55%, Mo：0.16-
0.18%th, Ni：0.41-0.43%, V：0.015-0.025%, B：0.003-0.005%, P≤0.015%, S≤0.012%,
Cu≤0.17%, N≤0.005%, remaining is Fe and inevitable impurity.
2. the manufacture method of strong corrosion resistant galvanized strand wires according to claim 1, it is characterised in that its each component weight
Measuring percentage is：
C：0.83%th, Mn：0.76%th, Si：0.09%th, Cr：0.53%th, Mo：0.16%th, Ni：0.41%th, V：0.015%th, B：
0.003%th, P：0.015%th, S：0.012%th, Cu：0.17%th, N：0.005%, remaining is Fe and inevitable impurity.
3. the manufacture method of strong corrosion resistant galvanized strand wires according to claim 1, it is characterised in that its each component weight
Measuring percentage is：
C：0.85%th, Mn：0.78%th, Si：0.13%th, Cr：0.55%th, Mo：0.18%th, Ni：0.43%th, V：0.025%th, B：
0.005%th, P：0.005%th, S：0.004%th, Cu：0.08%th, N：0.001%, remaining is Fe and inevitable impurity.
4. the manufacture method of strong corrosion resistant galvanized strand wires according to claim 1, it is characterised in that its each component weight
Measuring percentage is：
C：0.84%th, Mn：0.77%th, Si：0.11%th, Cr：0.54%th, Mo：0.17%th, Ni：0.42%th, V：0.020%th, B：
0.004%th, P：0.010%th, S：0.008%th, Cu：0.12%th, N：0.003%, remaining is Fe and inevitable impurity.
5. the manufacture method of strong corrosion resistant galvanized strand wires according to claim 1, it is characterised in that the stabilisation
Water cooling-air cooling combination processing in process step includes：One of water-cooled nozzle is set at 500mm after steel wire extraction, and at it
Lower section sets tuyere.
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| KR101302291B1 (en) * | 2009-06-25 | 2013-09-03 | 신닛테츠스미킨 카부시키카이샤 | HIGH-STRENGTH Zn-Al-PLATED STEEL WIRE FOR BRIDGES WHICH HAS EXCELLENT CORROSION RESISTANCE AND FATIGUE PROPERTIES, AND PROCESS FOR PRODUCTION THEREOF |
| CN102181797B (en) * | 2011-04-07 | 2012-07-25 | 江苏天舜金属材料集团有限公司 | Method for processing steel strand for prestressed concrete |
| CN102747624A (en) * | 2012-06-15 | 2012-10-24 | 江阴市伟裕金属制品有限公司 | Low-carbon steel stranded wire and production process thereof |
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| CN103938071A (en) * | 2014-04-30 | 2014-07-23 | 武汉钢铁(集团)公司 | Wire for stranded galvanized steel wire and production method of wire |
| CN103985481B (en) * | 2014-05-14 | 2016-08-24 | 黄山创想科技股份有限公司 | A kind of zinc-aluminium rareearth alloy coated steel strand wires and preparation method thereof |
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| CN107442596A (en) * | 2017-07-11 | 2017-12-08 | 李文军 | A kind of improved steel cord production method |
| CN107442596B (en) * | 2017-07-11 | 2019-05-28 | 山东大业股份有限公司 | A kind of steel cord production method |
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