CN115852254A - Heat-resistant steel wire and preparation process thereof - Google Patents
Heat-resistant steel wire and preparation process thereof Download PDFInfo
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- CN115852254A CN115852254A CN202211545625.7A CN202211545625A CN115852254A CN 115852254 A CN115852254 A CN 115852254A CN 202211545625 A CN202211545625 A CN 202211545625A CN 115852254 A CN115852254 A CN 115852254A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 84
- 239000010959 steel Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000005496 tempering Methods 0.000 claims abstract description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 241001391944 Commicarpus scandens Species 0.000 claims abstract description 6
- 238000005242 forging Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000003723 Smelting Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000010622 cold drawing Methods 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003513 alkali Substances 0.000 abstract description 4
- 239000011651 chromium Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Abstract
The invention relates to the technical field of steel wires and discloses a heat-resistant steel wire, which comprises the following elements in percentage by weight: c:1.55 to 1.65 percent; si is less than or equal to 0.35 percent; mn is less than or equal to 0.36 percent; s is less than or equal to 0.028%; p is less than or equal to 0.028%; cr:11.40 to 12.40 percent; ni is less than or equal to 0.24 percent; cu is less than or equal to 0.28 percent; v:0.16 to 0.28 percent; mo:0.42 to 0.55 percent; the balance of Fe; according to the heat-resistant steel wire and the preparation process thereof, tempering treatment is carried out between rough drawing and finish drawing, the molecular structure of the steel wire is destroyed during the rough drawing, and the internal structure of the steel wire can be reduced again only by tempering so as to facilitate secondary drawing, so that the steel wire is not easy to break and the tensile strength is obtained by drawing for many times; the Mo element is added into the alloy components, the content is strictly controlled, and the Mo element has very high strength at normal temperature and high temperature and small expansion coefficient due to extremely strong interatomic bonding force, and does not react with hydrochloric acid, hydrofluoric acid and alkali solution at normal temperature.
Description
Technical Field
The invention relates to the technical field of steel wires, in particular to a heat-resistant steel wire and a preparation process thereof.
Background
The steel wire is a reprocessed product made by cold drawing hot rolled wire rod. The sections are classified according to the shapes, and mainly comprise circles, squares, moments, triangles, ellipses, flat shapes, trapezoids, zigzag shapes and the like; classified according to the size, the thickness is less than 0.1 mm, 0.1-0.5 mm, 0.5-1.5 mm, 1.5-3.0 mm, 3.0-6.0 mm, 6.0-8.0 mm, and the thickness is more than 8.0 mm; according to the strength classification, the low strength is less than 390 MPa, the lower strength is 390 to 785 MPa, the common strength is 785 to 1225 MPa, the higher strength is 1225 to 1960 MPa, the high strength is 1960 to 3135 MPa, and the extra high strength is 3135 MPa; classified by purpose are: the common quality steel wires include welding rods, nails, meshes, packaging and printing industry steel wires, cold heading steel wires for cold heading rivets, screws and the like, the electrical steel includes special steel wires for producing overhead communication wires, steel-cored aluminum stranded wires and the like, the textile industry steel wires include coarse combs, healds 013, card clothing and needle steel wires, the rope-making steel wires are special for producing steel wires and spokes, the spring steel wires include steel wires for springs and spring washers, piano and tires, curtain cloth and conveyor tapes, the structural steel wires refer to steel wires for the clock industry, balls, automatic machine free cutting, the stainless steel wires include stainless steel wires and surgical implant steel wires for each purpose, the resistance alloy wires are used for heater elements and resistance elements, and the tool steel wires include steel wires and shoe-making steel wires.
The existing steel wire has poor plasticity, poor ductility during drawing, incapability of drawing out a thin welding wire and poor erosion resistance and corrosion resistance.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a heat-resistant steel wire and a process for preparing the same.
In order to achieve the purpose of the invention, the heat-resistant steel wire comprises the following elements in percentage by weight: c:1.55 to 1.65 percent; si is less than or equal to 0.35 percent; mn is less than or equal to 0.36 percent; s is less than or equal to 0.028%; p is less than or equal to 0.028 percent; cr:11.40 to 12.40 percent; ni is less than or equal to 0.24 percent; cu is less than or equal to 0.28 percent; v:0.16 to 0.28 percent; mo:0.42 to 0.55 percent; the rest(s) is Fe.
Preferably, the steel wire comprises the following elements in percentage by weight: c:1.55 percent; si:0.35 percent; mn:0.16 percent; s:0.028%; p:0.008 percent; cr:12.40 percent; ni:0.04 percent; cu:0.28 percent; v:0.16; mo:0.55 percent; the balance being Fe.
Preferably, the steel wire comprises the following elements in percentage by weight: c:1.60 percent; si:0.25 percent; mn:0.26 percent; s:0.018%; p:0.018%; cr:11.90 percent; ni:0.14 percent; cu:0.18 percent; v:0.22 percent; mo:0.49 percent; the balance being Fe.
Preferably, the steel wire comprises the following elements in percentage by weight: c:1.65 percent; si:0.15 percent; mn:0.36 percent; s:0.008 percent; p:0.028%; cr:11.40 percent; ni:0.24 percent; cu:0.08%; v:0.28 percent; mo:0.42 percent; the balance being Fe.
A preparation process of a heat-resistant steel wire comprises the following steps:
a. alloy smelting: adding raw materials such as C, mn, si, fe, P, cu, cr, ni, V, mo, S and the like according to the components and the percentage, wherein the temperature is as follows: 1360 ℃ -1560 ℃, duration: more than or equal to 80 minutes, and vacuum melting;
b. electroslag remelting: resistance heat generated when current passes through slag is used as a heat source for smelting, so that the metal purity is improved;
c. forging: hot forging is adopted, and the forging temperature is as follows: 1450 ℃, and the final forging temperature: 1050 ℃;
d. hot rolling and annealing: hot rolling into a wire rod, and cooling with water;
e. acid washing: the oxide on the surface of the steel wire is washed away by acid liquor, so that impurities such as the oxide are prevented from affecting cogging and damaging a wire drawing die;
f. phosphorization: the steel wire is immersed in phosphate solution to obtain a layer of phosphate film which is insoluble in water on the surface of the steel wire, so that corrosion can be prevented to a certain extent;
g. cogging: through a hole with a certain shape in the center of a die for drawing a metal wire, the size and the shape of the steel wire are changed when the steel wire forcibly passes through the die hole, wherein the hole is round, square, octagonal or other special shapes;
h. drawing: cold drawing is adopted, rough drawing is firstly carried out to obtain welding wires with the diameter of 2.2-2.5mm,
f. tempering: because the molecular structure of the steel wire is destroyed, the structure in the steel wire can be reduced again only by tempering, so that the steel wire is drawn again, the steel wire is not easy to break, and the tensile strength is obtained by drawing for many times;
i. and (4) drawing again: and then fine drawing is carried out to obtain the steel wire with the diameter of 1.50-1.60 mm.
Compared with the prior art, the heat-resistant steel wire designed by the invention and the preparation process thereof have the following advantages:
1. the heat-resistant steel wire and the preparation process thereof carry out tempering treatment between rough drawing and finish drawing, the molecular structure of the steel wire is destroyed in the rough drawing, and the structure in the steel wire can be restored again only by tempering so as to be convenient for drawing again, so that the heat-resistant steel wire is not easy to break, and the tensile strength is obtained by drawing for many times.
2. According to the heat-resistant steel wire and the preparation process thereof, mo element is added into alloy components, the content is strictly controlled, and the Mo element has very high strength at normal temperature and high temperature and small expansion coefficient due to extremely strong interatomic bonding force, and does not react with hydrochloric acid, hydrofluoric acid and alkali solution at normal temperature.
3. The heat-resistant steel wire and the preparation process thereof directly adopt vacuum smelting, can minimize the gas content in metal, can prevent the metal from being oxidized, and can improve the metal purity again through electroslag remelting.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Example 1:
the heat-resistant steel wire of the embodiment comprises the following components in percentage by weight: c:1.55 percent; si:0.35 percent; mn:0.16 percent; s:0.028%; p:0.008 percent; cr:12.40 percent; ni:0.04 percent; cu:0.28 percent; v:0.16; mo:0.55 percent; the balance being Fe.
Example 2:
the heat-resistant steel wire of the embodiment comprises the following components in percentage by weight: c:1.60 percent; si:0.25 percent; mn:0.26 percent; s:0.018%; p:0.018%; cr:11.90 percent; ni:0.14 percent; cu:0.18 percent; v:0.22 percent; mo:0.49 percent; the balance being Fe.
Example 3:
the heat-resistant steel wire of the embodiment comprises the following components in percentage by weight: c:1.65 percent; si:0.15 percent; mn the method comprises the following steps: 0.36 percent; s:0.008 percent; p:0.028%; cr:11.40 percent; ni:0.24 percent; cu:0.08 percent; v:0.28 percent; mo:0.42 percent; the balance being Fe.
The preparation process of the heat-resistant steel wire of the three embodiments comprises the following steps:
a. alloy smelting: adding raw materials such as C, mn, si, fe, P, cu, cr, ni, V, mo, S and the like according to the components and the percentage, and heating: 1360 ℃ -1560 ℃, duration: more than or equal to 80 minutes, and vacuum melting;
b. electroslag remelting: resistance heat generated when current passes through slag is used as a heat source for smelting, so that the metal purity is improved;
c. forging: hot forging is adopted, and the forging temperature is as follows: 1450 ℃, and the final forging temperature: 1050 ℃;
d. hot rolling and annealing: hot rolling into a wire rod, and cooling with water;
e. acid washing: oxide on the surface of the steel wire is washed away by acid liquor, so that the influence of impurities such as oxide on cogging and the damage to a wire drawing die are avoided;
f. phosphorization: the steel wire is immersed in phosphate solution to obtain a layer of phosphate film which is insoluble in water on the surface of the steel wire, so that corrosion can be prevented to a certain extent;
g. cogging: when the steel wire is forced to pass through the die hole, the size and the shape of the steel wire are changed;
h. drawing: cold drawing is adopted, rough drawing is firstly carried out to obtain welding wires with the diameter of 2.2-2.5mm,
f. tempering: because the molecular structure of the steel wire is destroyed, the structure in the steel wire can be reduced again only by tempering so as to be convenient for drawing again, so that the steel wire is not easy to break, and the tensile strength is obtained by drawing for multiple times;
i. and (4) drawing again: and then fine drawing is carried out to obtain the steel wire with the diameter of 1.50-1.60 mm.
The heat-resistant steel wire has the following effects on the performance of the welding wire by various chemical elements:
(1) Cr elements: chromium is ductile and has high corrosion resistance, is slowly oxidized in air even in a red hot state, is insoluble in water, can play a role in protection when being plated on metal, and can ensure the corrosion resistance of the alloy.
(2) Ni element: ni and other elements form an austenite lattice, do not generate phase change at high temperature, have good ductility, can be highly polished, and have high plasticity and good processing property.
(3) Mo element: the Mo element has strong interatomic binding force, high strength at normal temperature and high temperature, small expansion coefficient and no reaction with hydrochloric acid, hydrofluoric acid and alkali solution at normal temperature.
In the invention, tempering treatment is carried out between rough drawing and finish drawing, the molecular structure of the steel wire is destroyed during the rough drawing, and the structure in the steel wire can be reduced again only by tempering so as to facilitate the secondary drawing, thus the steel wire is not easy to break and the tensile strength is obtained by drawing for many times; mo element is added into alloy components, and the content is strictly controlled, wherein the Mo element has high strength at normal temperature and high temperature and small expansion coefficient due to strong interatomic bonding force, and does not react with hydrochloric acid, hydrofluoric acid and alkali solution at normal temperature; the gas content in the metal can be reduced to the minimum by directly adopting vacuum smelting, the metal can be prevented from being oxidized, and then the purity of the metal can be improved again through electroslag remelting.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (5)
1. A heat-resistant steel wire is characterized in that the steel wire comprises the following elements in percentage by weight: c:1.55 to 1.65 percent; si is less than or equal to 0.35 percent; mn is less than or equal to 0.36 percent; s is less than or equal to 0.028%; p is less than or equal to 0.028%; cr:11.40 to 12.40 percent; ni is less than or equal to 0.24 percent; cu is less than or equal to 0.28 percent; v:0.16 to 0.28 percent; mo:0.42 to 0.55 percent; the balance being Fe.
2. The heat-resistant steel wire according to claim 1, wherein the steel wire comprises the following elements in percentage by weight: c:1.55 percent; si:0.35 percent; mn:0.16 percent; s:0.028%; p:0.008 percent; cr:12.40 percent; ni:0.04 percent; cu:0.28 percent; v:0.16; mo:0.55 percent; the balance being Fe.
3. The heat-resistant steel wire according to claim 1, wherein the steel wire comprises the following elements in percentage by weight: c:1.60 percent; si:0.25 percent; mn:0.26 percent; s:0.018%; p:0.018%; cr:11.90 percent; ni:0.14 percent; cu:0.18 percent; v:0.22 percent; mo:0.49 percent; the balance being Fe.
4. A heat resistant steel wire according to claim 1, characterized in that the elemental composition and the content of each component in weight percent of said steel wire are: c:1.65 percent; si:0.15 percent; mn:0.36 percent; s:0.008 percent; p:0.028%; cr:11.40 percent; ni:0.24 percent; cu:0.08%; v:0.28 percent; mo:0.42 percent; the balance being Fe.
5. A preparation process of a heat-resistant steel wire is characterized by comprising the following steps:
a. alloy smelting: adding C, mn, si, fe, P, cu, cr, ni, V, mo, S and other raw materials according to the components and percentage, temperature: 1360 ℃ -1560 ℃, duration: more than or equal to 80 minutes, and vacuum melting;
b. electroslag remelting: resistance heat generated when current passes through slag is used as a heat source for smelting, so that the metal purity is improved;
c. forging: hot forging is adopted, and the forging temperature is as follows: 1450 ℃, finish forging temperature: 1050 ℃;
d. hot rolling and annealing: hot rolling into a wire rod, and cooling with water;
e. acid washing: oxide on the surface of the steel wire is washed away by acid liquor, so that the influence of impurities such as oxide on cogging and the damage to a wire drawing die are avoided;
f. phosphorization: the steel wire is immersed in phosphate solution to obtain a layer of phosphate film which is insoluble in water on the surface of the steel wire, so that corrosion can be prevented to a certain extent;
g. cogging: when the steel wire is forced to pass through the die hole, the size and the shape of the steel wire are changed;
h. drawing: cold drawing is adopted, coarse drawing is firstly carried out, welding wires with the diameter of 2.2-2.5mm are obtained,
f. tempering: because the molecular structure of the steel wire is destroyed, the structure in the steel wire can be reduced again only by tempering, so that the steel wire is drawn again, the steel wire is not easy to break, and the tensile strength is obtained by drawing for many times;
i. and (4) drawing again: and then fine drawing is carried out to obtain the steel wire with the diameter of 1.50-1.60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211545625.7A CN115852254A (en) | 2022-12-03 | 2022-12-03 | Heat-resistant steel wire and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211545625.7A CN115852254A (en) | 2022-12-03 | 2022-12-03 | Heat-resistant steel wire and preparation process thereof |
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| CN115852254A true CN115852254A (en) | 2023-03-28 |
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| CN202211545625.7A Pending CN115852254A (en) | 2022-12-03 | 2022-12-03 | Heat-resistant steel wire and preparation process thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0525591A (en) * | 1991-07-16 | 1993-02-02 | Hitachi Metals Ltd | Wire for piston ring and its manufacture |
| JPH08295932A (en) * | 1995-04-21 | 1996-11-12 | Nippon Steel Corp | High strength steel wire excellent in fatigue characteristic |
| CN109048116A (en) * | 2018-07-02 | 2018-12-21 | 江苏新华合金电器有限公司 | H40Ni45Cr35Nb welding wire and its production technology |
| CN112621021A (en) * | 2020-12-26 | 2021-04-09 | 江苏新核合金科技有限公司 | H0Cr19Ni24Mn7Mo6VN welding wire and preparation method thereof |
| CN112746217A (en) * | 2019-10-31 | 2021-05-04 | 宝武特种冶金有限公司 | High-strength low-expansion invar alloy wire and manufacturing method thereof |
| CN115094335A (en) * | 2022-07-22 | 2022-09-23 | 李家华 | Automobile tail door spring steel wire and preparation method thereof |
-
2022
- 2022-12-03 CN CN202211545625.7A patent/CN115852254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0525591A (en) * | 1991-07-16 | 1993-02-02 | Hitachi Metals Ltd | Wire for piston ring and its manufacture |
| JPH08295932A (en) * | 1995-04-21 | 1996-11-12 | Nippon Steel Corp | High strength steel wire excellent in fatigue characteristic |
| CN109048116A (en) * | 2018-07-02 | 2018-12-21 | 江苏新华合金电器有限公司 | H40Ni45Cr35Nb welding wire and its production technology |
| CN112746217A (en) * | 2019-10-31 | 2021-05-04 | 宝武特种冶金有限公司 | High-strength low-expansion invar alloy wire and manufacturing method thereof |
| CN112621021A (en) * | 2020-12-26 | 2021-04-09 | 江苏新核合金科技有限公司 | H0Cr19Ni24Mn7Mo6VN welding wire and preparation method thereof |
| CN115094335A (en) * | 2022-07-22 | 2022-09-23 | 李家华 | Automobile tail door spring steel wire and preparation method thereof |
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