CN110369544A - A kind of steel wire and its manufacturing method - Google Patents
A kind of steel wire and its manufacturing method Download PDFInfo
- Publication number
- CN110369544A CN110369544A CN201910554493.6A CN201910554493A CN110369544A CN 110369544 A CN110369544 A CN 110369544A CN 201910554493 A CN201910554493 A CN 201910554493A CN 110369544 A CN110369544 A CN 110369544A
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- Prior art keywords
- steel wire
- wire
- phase
- fezn
- matrix
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/042—Manufacture of coated wire or bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
-
- 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
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- 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
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- 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
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
-
- 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
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
Abstract
The invention discloses a kind of steel wire of zinc-coated wire technical field and its manufacturing methods, aim to solve the problem that galvanizing by dipping in the prior art forms the iron-zinc alloy phase of more hardness high-ductility difference in steel wire surface, the not high technical problem of steel wire anti-fatigue performance, a kind of manufacturing method of steel wire, comprising the following steps: prepare steel wire matrix；Electrogalvanizing processing is carried out to steel wire matrix, obtains bethanized wire；Bethanized wire is heat-treated；Drawing process is carried out to the bethanized wire after heat treatment, obtains finished product steel wire.Compared with prior art, advantageous effects of the invention: the steel wire in the present invention has preferable corrosion resistance, and higher anti-fatigue performance can be obtained compared to the steel wire of other coating.
Description
Technical field
The invention belongs to zinc-coated wire technical fields, and in particular to a kind of steel wire and its manufacturing method.
Background technique
Galvanized steel wire rope is widely used and the occasions such as industry, aerospace, handling machinery, according to galvanized coatings
Production method can be divided into cold galvanizing and two kinds of hot galvanizing, and cold galvanizing is electrogalvanizing.The zinc-plated plating that hot-dip galvanizing technique is produced
Layer can achieve thicker, and consistency is also more preferable, and due to foring iron-zinc alloy in hot dip galvanizing process, so that coating corrosion resistant
Corrosion can be also more preferable.However, that there are more hardness in the steel wire surface iron-zinc alloy phase produced by hot-dip galvanizing technique is high
The iron-zinc alloy phase of plasticity difference, steel wire anti-fatigue performance is not high, damage during occurring compared with large plastometric set, to mold
Greatly, the mold mold changing period is short, and drawing speed is low, when promoting drawing speed, steel wire surface color can be caused to change.
Summary of the invention
The purpose of the present invention is to provide a kind of steel wire and its manufacturing method, with solve in the prior art galvanizing by dipping in steel
Silk table face forms the iron-zinc alloy phase of more hardness high-ductility difference, the not high technical problem of steel wire anti-fatigue performance.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a kind of steel wire, including steel wire matrix, steel wire base
It is coating in vitro, the coating mainly includes FeZn8.87 phase and FeZn10.98 phase.
The coating further includes FeZn13 phase, and FeZn13 phase is located at the outside of FeZn8.87 phase and FeZn10.98 phase.
The coating with a thickness of 0.1 μm ~ 5.0 μm.
The diameter of the steel wire matrix is 0.06mm ~ 0.50mm.
A kind of manufacturing method of steel wire the following steps are included:
Prepare steel wire base material；
Electrogalvanizing processing is carried out to steel wire base material, obtains bethanized wire；
Bethanized wire is heat-treated, process wire is obtained；
Drawing process is carried out to process wire, obtains finished product steel wire.
The heat treatment is any one of intermediate-frequency induction heating, direct-fired heater heat treatment, electric-heating heat treatment.
The process wire includes process wire matrix, is fe-zn alloy layer, iron outside the process wire matrix
It is pure zinc layer outside zinc alloy layer.
The process wire includes process wire matrix, there was only fe-zn alloy layer outside the process wire matrix.
The fe-zn alloy layer mainly includes FeZn8.87 phase, FeZn10.98 phase and FeZn13 phase, and FeZn13 phase is located at
The outside of FeZn8.87 phase and FeZn10.98 phase.
Compared with prior art, advantageous effects of the invention: the steel wire in the present invention is with preferable corrosion-resistant
Property, and higher anti-fatigue performance can be obtained compared to the steel wire of other coating.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-section of steel wire provided in an embodiment of the present invention；
Fig. 2 is a kind of process wire schematic cross-section of steel wire provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram that the flexural fatigue machine of fatigue test is carried out to steel wire；
Fig. 4 is the comparison of a kind of steel wire bent fatigue test number and other coating wires provided in an embodiment of the present invention；
In figure: 1. steel wire matrixes；2. coating；3. process wire matrix；4. fe-zn alloy layer；5. pure zinc layer；7. fixed set
Cylinder；8. rotatable collet；9. disconnected protect lead；10. disconnected protect；12. testing steel wire.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
The first stage is selection steel wire base material in the manufacturing process of steel wire of the present invention.The component of steel wire are as follows: 0.3% ~
The content of 1.15% C, 0.1% ~ 1.1% Mn, 0.1% ~ 0.9% Si, S and P are no more than 0.15%, preferably lower than 0.1% or more
It is low；Additional increased microalloy element such as Cr content may be up to 0.2% ~ 0.4%, Cu and may be up to 0.2%.Steel wire can be by drawing
It is pulling out or without drawing, can be it is through Overheating Treatment or without Overheating Treatment, preferably pass through drawing and warp
Steel wire after Overheating Treatment.In the present embodiment, selecting diameter is the bright steel wire of Ф 1.2mm, and it is Ф that bright steel wire, which has diameter,
The wire rod of 5.5mm is by thick middle drawing and is heat-treated twice, and the ingredient of wire rod is 0.723%C, 0.2%Si, 0.51%Mn, 0.01%
P, 0.007%S, 0.022%Cr, 0.008%Cu and other inevitable microelements.
Second stage carries out electrogalvanizing processing to the steel wire of first stage, obtains bethanized wire, the steel that this stage obtains
For silk as the bethanized wire produced under the prior art, surface is pure zinc layer.
Phase III, to the bethanized wire of second stage carry out intermediate-frequency induction heating or direct-fired heater heat treatment or
Electric-heating heat treatment obtains the process wire of plating heat treatment.And according to the difference of heat treatment process technique, such as the function of intermediate frequency
Rate is different, and process wire surface may include pure zinc layer and fe-zn alloy layer, as shown in Fig. 2, or only fe-zn alloy layer.Iron
For zinc alloy layer between pure zinc layer and process wire matrix, fe-zn alloy layer mainly includes FeZn13Phase, FeZn8.87Xiang He
FeZn10.98Phase, wherein FeZn13It is mutually distributed in the outer layer of fe-zn alloy layer, is connected with pure zinc layer, FeZn8.87Phase and FeZn10.98
It is mutually distributed in the internal layer of iron-zinc alloy phase, is connected with process wire matrix.The present embodiment use intermediate-frequency induction heating, i.e., in
Frequency thermal diffusion carries out phosphoric acid and washes after heat treatment.In the prior art, the cross-sectional metallographic of heat treatment steel wire can be electroplated by production
Then sample identifies the elemental composition of coating by scanning electron microscope and EDS energy spectrum analysis.It in this way really can be with table
The pure zinc layer and fe-zn alloy layer of plating heat treatment steel wire surface are levied out, but does not distinguish specific iron-zinc alloy and coordinates
Point.The fe-zn alloy layer structure feature of plating heat treatment steel wire surface can determine in the following way in the present invention.Firstly,
Take length about 20cm long plating be heat-treated one section of steel wire, and by one section of steel wire be fixed on can active rotation mechanical chuck
On, the other end is fixed on rotatable collet, the equipment of similar wirerope backtwisting instrument.After opening power supply, make steel wire with master
The collet of dynamic rotation is rotated together with fixed speed, then using the sand paper of 600 mesh from one end of rotary chuck to the other end
It is wiped, gradually decreases the coating of plating heat treatment steel wire surface.According to the present invention, coating outermost layer is pure zinc layer, because
This is after plating heat treatment steel wire wipes the shorter time, and the pure zinc layer of steel wire surface can be worn away at first, by carrying out to it
After the detection of steel wire surface X-ray diffraction, it is possible to find the characteristic peak of pure zinc layer can disappear on spectrogram.It can be with using same method
To FeZn in iron-zinc alloy13Phase, FeZn8.87Phase and FeZn10.98The distribution characteristics of phase is determined.
Fourth stage carries out drawing process to the process wire after phase III plating heat treatment, diameter needed for obtaining
Finished product steel wire, the steel wire diameter range of finished product steel wire is 0.06mm ~ 0.50mm, commonly uses 0.15mm ~ 0.28mm, the coating of steel wire
With a thickness of 0.1 μm ~ 5.0 μm.As shown in Figure 1, it is steel wire matrix that the structure of finished product steel wire, which is internal layer, it is coating outside steel wire matrix,
Coating mainly includes FeZn8.87 phase and FeZn10.98 phase.Another structure of finished product steel wire is that coating mainly includes
FeZn8.87 phase, FeZn10.98 phase and FeZn13 phase, FeZn13 phase are located at the outside of FeZn8.87 phase and FeZn10.98 phase.?
In the present embodiment by Ф 1.2mm bright steel wire after electrogalvanizing-intermediate frequency thermal diffusion-phosphorus pickling process, being drawn to diameter is Ф
The steel wire of 0.21mm, steel wire surface zinc layer weight testing result are 15.5g/kg.
Steel wire in the present invention can reach higher flexural fatigue number when carrying out flexural fatigue test process.Steel
The detection method of silk fatigue property is as follows, as shown in figure 3, Fig. 3 is the naive model of steel wire bent fatigue detecting testing machine,
During steel wire bent fatigue detecting, the consistent steel wire test of intercepted length first, wherein the selection criteria of specimen length according to
Formula (1), (2):
L=2.19*C+28 (1)
C=1.198*E*d/S (2)
Wherein, L is the length of sample；C is the distance between fixed sleeve and rotatable collet；E is the elasticity modulus of material；
D is gauge of wire；S is stress condition when flexural fatigue is tested, and when test is selected as 1200MPa.According to flexural fatigue
Requirement calculating when detection sample length is it is found that sample should meet when steel wire described in the present embodiment carries out repeated bend test: C
=1.198*199955*0.21/1200=41.92mm, L=2.19*C+28=119.8mm.Table 1 is Ф described in the embodiment of the present invention
The flexural fatigue detection data of 0.21mm steel wire.
Due to needing to reserve the part accommodated in fixed sleeve and rotatable collet, specimen length will be mended
It repays, the length of compensation is 28mm.The rotatable collet of steel wire test one end fatigue machine of interception is clamped, is adjusted
It, will be in the die hole of the fixed sleeve of the other end insertion of sample after the distance between fixed sleeve and rotatable collet.It can revolve
Turning collet has the function of active rotation, can be rotated according to the fixed frequency；Fixed sleeve does not have clamping function, root
According to the difference of specimen finish, the aperture of fixed sleeve is adjusted, so that the die hole of fixed sleeve is greater than specimen finish.Examination
After sample is fixed, disconnected guarantor's trigger device is put according to position as shown in the figure at the both ends of sample.Fatigue tester is finally opened, is tried
Sample persistently rotates under the action of rotatable collet, rotates a circle and can be equivalent to the first order buckling process of steel wire.
Fig. 4 is the repeated bend test number of steel wire described in the present embodiment and the comparison of other coating wires, such as Fig. 4 institute
Show, the steel wire in the present invention can obtain higher times of fatigue compared to the steel wire of other coating.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of steel wire, characterized in that be coating (2) outside steel wire matrix (1) including steel wire matrix (1), the coating (2) is main
It to include FeZn8.87Phase and FeZn10.98Phase.
2. steel wire according to claim 1, characterized in that the coating (2) further includes FeZn13Phase, FeZn13Mutually it is located at
FeZn8.87Phase and FeZn10.98The outside of phase.
3. steel wire according to claim 1 or 2, characterized in that the coating (2) with a thickness of 0.1 μm ~ 5.0 μm.
4. steel wire according to claim 1 or 2, characterized in that the gauge of wire is 0.06mm ~ 0.50mm.
5. a kind of manufacturing method of steel wire, characterized in that the following steps are included:
Prepare steel wire base material；
Electrogalvanizing processing is carried out to steel wire base material, obtains bethanized wire；
Bethanized wire is heat-treated, process wire is obtained；
Drawing process is carried out to process wire, obtains finished product steel wire.
6. the manufacturing method of steel wire according to claim 5, characterized in that it is described heat treatment be intermediate-frequency induction heating,
Any one of direct-fired heater heat treatment, electric-heating heat treatment.
7. the manufacturing method of steel wire according to claim 5, characterized in that the process wire includes process wire
Matrix (3), the process wire matrix (3) are fe-zn alloy layer (4) outside, are pure zinc layer (5) outside fe-zn alloy layer (4).
8. the manufacturing method of steel wire according to claim 5, characterized in that the process wire includes process wire
Matrix (3), the process wire matrix (3) only have fe-zn alloy layer (4) outside.
9. steel wire according to claim 7 or 8, characterized in that the fe-zn alloy layer (4) mainly includes FeZn8.87Phase,
FeZn10.98Phase and FeZn13Phase, FeZn13Mutually it is located at FeZn8.87Phase and FeZn10.98The outside of phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554493.6A CN110369544B (en) | 2019-06-25 | 2019-06-25 | Steel wire and manufacturing method thereof |
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| CN201910554493.6A CN110369544B (en) | 2019-06-25 | 2019-06-25 | Steel wire and manufacturing method thereof |
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| CN110369544A true CN110369544A (en) | 2019-10-25 |
| CN110369544B CN110369544B (en) | 2021-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453099A (en) * | 2020-11-24 | 2021-03-09 | 梓兰特线（厦门）科技有限公司 | Production method of Z-shaped special-shaped steel wire |
| CN112547818A (en) * | 2020-11-24 | 2021-03-26 | 梓兰特线（厦门）科技有限公司 | Production method of Z-shaped special-shaped steel wire |
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| CN112453099A (en) * | 2020-11-24 | 2021-03-09 | 梓兰特线（厦门）科技有限公司 | Production method of Z-shaped special-shaped steel wire |
| CN112547818A (en) * | 2020-11-24 | 2021-03-26 | 梓兰特线（厦门）科技有限公司 | Production method of Z-shaped special-shaped steel wire |
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