CN104762551A - Manufacturing method of thin-strip continuous casting high-magnetic-induction non-oriented silicon steel - Google Patents
Manufacturing method of thin-strip continuous casting high-magnetic-induction non-oriented silicon steel Download PDFInfo
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- CN104762551A CN104762551A CN201510175131.8A CN201510175131A CN104762551A CN 104762551 A CN104762551 A CN 104762551A CN 201510175131 A CN201510175131 A CN 201510175131A CN 104762551 A CN104762551 A CN 104762551A
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000009749 continuous casting Methods 0.000 title claims abstract description 29
- 230000006698 induction Effects 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000005098 hot rolling Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000005097 cold rolling Methods 0.000 claims abstract description 20
- 238000000137 annealing Methods 0.000 claims abstract description 14
- 238000003723 Smelting Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 9
- 230000008025 crystallization Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
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- Electromagnetism (AREA)
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Abstract
The application discloses a method for manufacturing thin strip continuous casting high magnetic induction non-oriented silicon steel, which comprises the following steps: (1) smelting molten steel, and continuously casting a thin strip to obtain a cast strip, wherein the superheat degree of the continuous casting of the thin strip is 30-55 ℃; (2) cooling the cast strip, and directly carrying out hot rolling and coiling to obtain a hot rolled strip steel, wherein the hot rolling reduction is 30-50%; (3) the hot rolled strip steel is subjected to cold rolling with the reduction of less than or equal to 60 percent; (4) and annealing to obtain the non-oriented silicon steel finished plate. The invention has short process flow, low production cost and obvious energy saving and emission reduction. The abnormal thick columnar crystal structure is eliminated through proper hot rolling reduction, the corrugated defect of a cold-rolled product is avoided, and meanwhile {100} surface texture in an as-cast structure is inherited; and the cold rolling reduction is reduced, the formation of a {111} texture of cold rolling is avoided, the proportion of the {100} texture of the annealing plate is increased, and the high-magnetic-induction non-oriented silicon steel product is obtained, wherein the magnetic induction of the high-magnetic-induction non-oriented silicon steel is more than 1.81T.
Description
Technical field
The invention belongs to metal material processing field, particularly a kind of manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction.
Background technology
Silicon steel has the special and magnetic property of excellence, can be divided into oriented silicon steel and non orientating silicon steel.Wherein non orientating silicon steel is mainly used in all types of motor, compressor etc.In order to reduce energy waste during machine operation, constantly need improve the magnetic property of non orientating silicon steel, when reduction iron loss, improving the magnetic induction density of silicon steel simultaneously.
At present, the production of non orientating silicon steel mainly adopts the slab CC machine tandem rolling+cold rolled annealed technology of traditional technology.Due to large hot rolling draught and large cold roling reduction, make in resulting belt structure of steel { 111} texture is very strong, and this is unfavorable for the raising of non orientating silicon steel magnetic induction density.Studies have reported that, in non orientating silicon steel, add specific alloying element or increase normalizing operation etc. before cold rolling and can improve magnetic induction density, but this will increase the production cost of non orientating silicon steel.
Chinese patent application CN 1131333C discloses a kind of high magnetic strength series non orientating silicon steel and production method thereof.This patent makes the magnetic strength of non orientating silicon steel improve more than 0.12T by adding P+Sn/Sb0.08 ~ 0.45%.This proprietary alloy cost is higher, and steelmaking process interalloy Composition Control is stricter.
Chinese patent CN 102453844B discloses a kind of high-efficiency non-oriented silicon steel manufacture method had excellent magnetic characteristics.This patent improves the magnetic property of non orientating silicon steel by adding Sb0.04 ~ 0.08%, final magnetic strength is at 1.78 ~ 1.796T.This proprietary alloy cost is higher, but the effect improving magnetic strength is relatively low.
For the thin-belt casting rolling technology of advanced person, existing relevant report invents non orientating silicon steel product.Chinese patent CN 102041367B discloses a kind of manufacture method of thin strap continuous casting cold rolling non-orientation silicon steel.This patent by controlling proportion of equiaxed grain, and controls hot rolling draught below 15%, while avoiding silicon steel corrugation defect, makes the magnetic strength of non orientating silicon steel at 1.70T ~ 1.79T.The magnetic strength of the non orientating silicon steel that this patent is produced is relatively low.
Chinese patent CN 102069165 discloses a kind of manufacture method of the non orientating silicon steel version based on twin-roll thin strip continuous casting technology.This patent controls as cast condition columanar structure to improve the magnetic property of non orientating silicon steel by improving casting superheating temperature.Cast Strip described in this patent is organized as column crystal, cold rollingly middlely occurs that the possibility of corrugated defect is larger follow-up.
US Patent No. 5482107 discloses a kind of method that method for continuous casting sheet band produces silicon steel.This invention principal character retains (100) favorable texture in as-cast structure, and avoid destruction as-cast structure by slightly cold rolling.In this patent of invention, the thickness of Cast Strip is at most 120% of finished product thickness, is therefore difficult to the cold-rolled products producing Thin Specs.
In sum, above technical scheme still has some deficits in production non-oriented silicon steel with high magnetic induction and Thin Specs non orientating silicon steel.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction, control as-cast structure, abnormal thick columanar structure is eliminated by suitable hot rolling draught, avoid the corrugated defect of cold-rolled products, make simultaneously in as-cast structure { 100} plane texture obtains heredity; Reduce cold roling reduction, avoid that cold rolling { formation of 111} texture, { 100} texture ratio increases, and obtains non-oriented silicon steel with high magnetic induction product to make annealed sheet.
For achieving the above object, the invention provides following technical scheme:
The embodiment of the present application discloses a kind of manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction, comprises step:
(1), smelting molten steel, thin strap continuous casting obtain Cast Strip, the superheating temperature of thin strap continuous casting is 30 ~ 55 DEG C;
(2), Cast Strip directly carries out hot rolling reeling through overcooling, and obtain hot rolled strip, wherein hot rolling draught is 30% ~ 50%;
(3), cold rolling through draught≤60% of hot rolled strip;
(4), anneal, obtain non orientating silicon steel production board.
Preferably, in the manufacture method of above-mentioned thin strap continuous casting non-oriented silicon steel with high magnetic induction, the composition of described molten steel comprises by weight percentage: C :≤0.005%, Si:0.5 ~ 1.5%, Mn:0.1 ~ 0.4%, Al :≤0.5%, surplus is Fe and inevitable impurity.
Preferably, in the manufacture method of above-mentioned thin strap continuous casting non-oriented silicon steel with high magnetic induction, in described step (2), the temperature of hot rolling is 850 ~ 1050 DEG C.
Preferably, in the manufacture method of above-mentioned thin strap continuous casting non-oriented silicon steel with high magnetic induction, in described step (2), the temperature of batching is 620 ~ 680 DEG C.
Preferably, in the manufacture method of above-mentioned thin strap continuous casting non-oriented silicon steel with high magnetic induction, in described step (4), annealing temperature is 860 ~ 950 DEG C.
Disclosed herein as well is a kind of manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction, intermediate frequency vacuum induction furnace smelting composition is utilized to be: C :≤0.005%, Si:0.5 ~ 1.5%, Mn:0.1 ~ 0.4%, Al :≤0.5%, surplus is the molten steel of Fe and inevitable impurity, molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip of 1 ~ 2.5mm, hot rolling is carried out by water-cooled to 850 ~ 1050 DEG C in Cast Strip, hot rolling draught is 30 ~ 50%, hot rolled strip batches in 620 ~ 680 DEG C subsequently, cold rolling through draught≤60% of hot rolled strip, subsequently in 860 ~ 950 DEG C of annealing, and coating obtains orientation free silicon steel plate.
Disclosed herein as well is a kind of manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction, intermediate frequency vacuum induction furnace smelting composition is utilized to be: C0.004%, Si1.0%, Mn0.3%, Al0.35%, surplus is the molten steel of Fe and inevitable impurity, molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip of 2.5mm, hot rolling is carried out by water-cooled to 950 DEG C in Cast Strip, hot rolling draught is 50%, hot rolled strip batches in 650 DEG C subsequently, hot rolled strip through draught be 60% cold rolling, subsequently in 890 DEG C of annealing 30s, and coating obtains the thick orientation free silicon steel plate of 0.5mm
Compared with prior art, the invention has the advantages that:
(1), the present invention by control to thin strap continuous casting superheating temperature, obtain { the 100} plane texture, and the generation simultaneously avoiding flourishing columanar structure of higher proportion.
(2), the present invention by hot-rolled process, smash abnormal thick columanar structure, improve surface of silicon steel quality.In addition, by light reduction hot rolling, avoid destroying original structure texture, make to non orientating silicon steel favourable { 100} texture obtains heredity.
(3), the present invention by controlling cold roling reduction, produce under avoiding larger cold rolling non orientating silicon steel disadvantageous { 111} texture, thus the magnetic induction density effectively improving orientation free silicon steel plate.
(4), Production Flow Chart of the present invention is short, and technique is simple, and production cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the thin-belt casting rolling process flow diagram of orientation free silicon steel plate in the specific embodiment of the invention;
Fig. 2 is the marcotexture figure (Phi2=45 °) of the non orientating silicon steel Cast Strip of preparation in the embodiment of the present invention 2.
Fig. 3 is the marcotexture figure (Phi2=45 °) of the non orientating silicon steel hot-rolled sheet of preparation in the embodiment of the present invention 2.
Fig. 4 is the marcotexture figure (Phi2=45 °) of the non orientating silicon steel cold-reduced sheet of preparation in the embodiment of the present invention 2.
Fig. 5 is the marcotexture figure (Phi2=45 °) of the non orientating silicon steel annealed sheet of preparation in the embodiment of the present invention 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Shown in ginseng Fig. 1, the device of thin strap continuous casting non-oriented silicon steel with high magnetic induction comprises intermediate frequency vacuum induction furnace 1, tundish 2, dual-roller thin-band conticaster 3, molten bath 4, hot rolls 6, cooling system 7, reeling machine 8, cold-rolling mill 10, annealing furnace 11 and coating machine 12.
The method utilizing said apparatus to manufacture non orientating silicon steel comprises: adopt intermediate frequency vacuum induction furnace 1 smelting molten steel, molten steel is through tundish 2, molten bath 4 is formed again through dual-roller thin-band conticaster 3, the superheating temperature of the molten steel of molten bath 4 upper surface is 30 ~ 55 DEG C, dual-roller thin-band conticaster 3 is the crystallization roll of the reverse rotation a pair with cooling effect, molten steel solidifies through crystallization roll and derives and obtains the thick non-orientation silicon steel thin belt of 1 ~ 2.5mm 5, strip 5 carries out hot rolling by hot rolls 6 subsequently, hot rolling draught is 30 ~ 50%, then cool through cooling system 7, then non orientating silicon steel hot-rolled sheet coil 9 is obtained after being batched by reeling machine 8, hot-rolled sheet coil carries out cold rolling through cold-rolling mill 10, cold roling reduction≤60%, cold-reduced sheet carries out annealing via annealing furnace 11 and coating machine 12 carries out coating process, finally obtain the thick orientation free silicon steel plate of 0.5mm.
The present invention is described further by the following example: according to following embodiment, the present invention may be better understood.But those skilled in the art will readily understand, concrete material ratio, processing condition and result thereof described by embodiment only for illustration of the present invention, and should can not limit the present invention described in detail in claims yet.
Embodiment 1
Intermediate frequency vacuum induction furnace smelting composition is utilized to be: C0.003%, Si0.7%, Mn0.2%, Al0.3%, surplus is the molten steel of Fe and inevitable impurity, and molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip of 1mm, hot rolling is carried out by water-cooled to 850 DEG C in Cast Strip, and hot rolling draught is 30%, and hot rolled strip batches in 630 DEG C subsequently.Hot rolled strip through draught be 29% cold rolling, subsequently in 860 DEG C of annealing 30s, and coating obtains the thick orientation free silicon steel plate of 0.5mm.The magnetic induction density B of non orientating silicon steel production board prepared by the present invention
50=1.81T.
Embodiment 2
Intermediate frequency vacuum induction furnace smelting composition is utilized to be: C0.004%, Si1.0%, Mn0.3%, Al0.35%, surplus is the molten steel of Fe and inevitable impurity, molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip (the marcotexture figure of Cast Strip joins shown in Fig. 2) of 2.5mm, hot rolling (the marcotexture figure of hot-rolled sheet joins shown in Fig. 3) is carried out by water-cooled to 950 DEG C in Cast Strip, hot rolling draught is 50%, and hot rolled strip batches in 650 DEG C subsequently.Hot rolled strip is cold rolling (the marcotexture figure of cold-reduced sheet joins shown in Fig. 4) of 60% through draught, and subsequently in 890 DEG C of annealing 30s (the marcotexture figure of annealed sheet joins shown in Fig. 5), and coating obtains the thick orientation free silicon steel plate of 0.5mm.The magnetic induction density B of non orientating silicon steel production board prepared by the present invention
50=1.83T.
Embodiment 3
Intermediate frequency vacuum induction furnace smelting composition is utilized to be: C0.002%, Si1.4%, Mn0.39%, Al0.4%, surplus is the molten steel of Fe and inevitable impurity, and molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip of 1.8mm, hot rolling is carried out by water-cooled to 1050 DEG C in Cast Strip, and hot rolling draught is 40%, and hot rolled strip batches in 670 DEG C subsequently.Hot rolled strip through draught be 53% cold rolling, subsequently in 940 DEG C of annealing 30s, and coating obtains the thick orientation free silicon steel plate of 0.5mm.The magnetic induction density B of non orientating silicon steel production board prepared by the present invention
50=1.82T.
Finally, also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Claims (7)
1. a manufacture method for thin strap continuous casting non-oriented silicon steel with high magnetic induction, is characterized in that, comprises step:
(1), smelting molten steel, thin strap continuous casting obtain Cast Strip, the superheating temperature of thin strap continuous casting is 30 ~ 55 DEG C;
(2), Cast Strip directly carries out hot rolling reeling through overcooling, and obtain hot rolled strip, wherein hot rolling draught is 30% ~ 50%;
(3), cold rolling through draught≤60% of hot rolled strip;
(4), anneal, obtain non orientating silicon steel production board.
2. the manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction according to claim 1, it is characterized in that: the composition of described molten steel comprises by weight percentage: C :≤0.005%, Si:0.5 ~ 1.5%, Mn:0.1 ~ 0.4%, Al :≤0.5%, surplus is Fe and inevitable impurity.
3. the manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction according to claim 1, is characterized in that: in described step (2), and the temperature of hot rolling is 850 ~ 1050 DEG C.
4. the manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction according to claim 1, is characterized in that: in described step (2), and the temperature of batching is 620 ~ 680 DEG C.
5. the manufacture method of thin strap continuous casting non-oriented silicon steel with high magnetic induction according to claim 1, is characterized in that: in described step (4), and annealing temperature is 860 ~ 950 DEG C.
6. the manufacture method of a thin strap continuous casting non-oriented silicon steel with high magnetic induction, it is characterized in that: utilize intermediate frequency vacuum induction furnace smelting composition to be: C :≤0.005%, Si:0.5 ~ 1.5%, Mn:0.1 ~ 0.4%, Al :≤0.5%, surplus is the molten steel of Fe and inevitable impurity, molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip of 1 ~ 2.5mm, hot rolling is carried out by water-cooled to 850 ~ 1050 DEG C in Cast Strip, hot rolling draught is 30 ~ 50%, hot rolled strip batches in 620 ~ 680 DEG C subsequently, cold rolling through draught≤60% of hot rolled strip, subsequently in 860 ~ 950 DEG C of annealing, and coating obtains orientation free silicon steel plate.
7. the manufacture method of a thin strap continuous casting non-oriented silicon steel with high magnetic induction, it is characterized in that: utilize intermediate frequency vacuum induction furnace smelting composition to be: C0.004%, Si1.0%, Mn0.3%, Al0.35%, surplus is the molten steel of Fe and inevitable impurity, molten steel has the crystallization roll of the reverse rotation of cooling effect by a pair, direct pouring goes out the Cast Strip of 2.5mm, hot rolling is carried out by water-cooled to 950 DEG C in Cast Strip, hot rolling draught is 50%, hot rolled strip batches in 650 DEG C subsequently, hot rolled strip through draught be 60% cold rolling, subsequently in 890 DEG C of annealing 30s, and coating obtains the thick orientation free silicon steel plate of 0.5mm.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245646A (en) * | 2017-06-01 | 2017-10-13 | 东北大学 | A kind of preparation method of the circumferential high-magnetic induction, low-iron loss non-orientation silicon steel of plate face |
| CN107245647A (en) * | 2017-06-01 | 2017-10-13 | 东北大学 | The method that one kind prepares flourishing { 100 } plane texture non-orientation silicon steel thin belt based on thin strap continuous casting |
| CN108203788A (en) * | 2018-01-29 | 2018-06-26 | 东北大学 | A kind of preparation method of the low magnetic anisotropy non-orientation silicon steel of thin strap continuous casting |
| CN109877283A (en) * | 2018-06-08 | 2019-06-14 | 江苏沙钢集团有限公司 | Low-cost iron core material and production method thereof |
| CN110438317A (en) * | 2019-07-29 | 2019-11-12 | 江苏理工学院 | A kind of method that initial tissu Hot rolling prepares { 100 } texture column crystal non-oriented electrical steel |
| CN110468352A (en) * | 2019-09-25 | 2019-11-19 | 江苏沙钢集团有限公司 | A kind of non-orientation silicon steel and its production method |
| CN111270123A (en) * | 2020-02-17 | 2020-06-12 | 本钢板材股份有限公司 | Method for optimizing electromagnetic performance of non-oriented silicon steel and non-oriented silicon steel |
| JP2020139198A (en) * | 2019-02-28 | 2020-09-03 | 日本製鉄株式会社 | Non-oriented electromagnetic steel sheet |
| CN112143974A (en) * | 2020-09-27 | 2020-12-29 | 江苏省沙钢钢铁研究院有限公司 | Production method of non-oriented silicon steel and non-oriented silicon steel |
| CN113913694A (en) * | 2021-10-11 | 2022-01-11 | 马鞍山钢铁股份有限公司 | CSP process produced efficient cold-rolled non-oriented electrical steel and production method |
| CN115478135A (en) * | 2022-09-06 | 2022-12-16 | 东北大学 | Preparation method of high-silicon steel thin strip with strong {100} oriented columnar crystals |
| WO2023174404A1 (en) * | 2022-03-18 | 2023-09-21 | Nucor Corporation | Electrical steels |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245646A (en) * | 2017-06-01 | 2017-10-13 | 东北大学 | A kind of preparation method of the circumferential high-magnetic induction, low-iron loss non-orientation silicon steel of plate face |
| CN107245647A (en) * | 2017-06-01 | 2017-10-13 | 东北大学 | The method that one kind prepares flourishing { 100 } plane texture non-orientation silicon steel thin belt based on thin strap continuous casting |
| CN108203788A (en) * | 2018-01-29 | 2018-06-26 | 东北大学 | A kind of preparation method of the low magnetic anisotropy non-orientation silicon steel of thin strap continuous casting |
| CN108203788B (en) * | 2018-01-29 | 2019-10-22 | 东北大学 | A kind of preparation method of the low magnetic anisotropy non-orientation silicon steel of thin strap continuous casting |
| CN109877283A (en) * | 2018-06-08 | 2019-06-14 | 江苏沙钢集团有限公司 | Low-cost iron core material and production method thereof |
| JP2020139198A (en) * | 2019-02-28 | 2020-09-03 | 日本製鉄株式会社 | Non-oriented electromagnetic steel sheet |
| JP7284383B2 (en) | 2019-02-28 | 2023-05-31 | 日本製鉄株式会社 | Non-oriented electrical steel sheet |
| CN110438317A (en) * | 2019-07-29 | 2019-11-12 | 江苏理工学院 | A kind of method that initial tissu Hot rolling prepares { 100 } texture column crystal non-oriented electrical steel |
| CN110468352A (en) * | 2019-09-25 | 2019-11-19 | 江苏沙钢集团有限公司 | A kind of non-orientation silicon steel and its production method |
| CN111270123A (en) * | 2020-02-17 | 2020-06-12 | 本钢板材股份有限公司 | Method for optimizing electromagnetic performance of non-oriented silicon steel and non-oriented silicon steel |
| CN112143974A (en) * | 2020-09-27 | 2020-12-29 | 江苏省沙钢钢铁研究院有限公司 | Production method of non-oriented silicon steel and non-oriented silicon steel |
| CN112143974B (en) * | 2020-09-27 | 2021-10-22 | 江苏省沙钢钢铁研究院有限公司 | Production method of non-oriented silicon steel and non-oriented silicon steel |
| CN113913694A (en) * | 2021-10-11 | 2022-01-11 | 马鞍山钢铁股份有限公司 | CSP process produced efficient cold-rolled non-oriented electrical steel and production method |
| WO2023174404A1 (en) * | 2022-03-18 | 2023-09-21 | Nucor Corporation | Electrical steels |
| CN115478135A (en) * | 2022-09-06 | 2022-12-16 | 东北大学 | Preparation method of high-silicon steel thin strip with strong {100} oriented columnar crystals |
| CN115478135B (en) * | 2022-09-06 | 2024-02-02 | 东北大学 | Preparation method of high-silicon steel thin strip with strong {100} oriented columnar crystals |
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Effective date of registration: 20200518 Address after: Shagang technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Co-patentee after: INSTITUTE OF RESEARCH OF IRON & STEEL,SHAGANG,JIANGSU PROVINCE Patentee after: JIANGSU SHAGANG GROUP Co.,Ltd. Co-patentee after: ZHANGJIAGANG SINO-US ULTRA-THIN BELT TECHNOLOGY Co.,Ltd. Address before: Suzhou City, Jiangsu province 215625 Zhangjiagang City Jin Fengzhen Shagang science and technology building, Jiangsu Shagang Group Co. Co-patentee before: INSTITUTE OF RESEARCH OF IRON & STEEL,SHAGANG,JIANGSU PROVINCE Patentee before: JIANGSU SHAGANG GROUP Co.,Ltd. |
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