CN106929752A - A kind of low silicon non-oriented silicon steel and its transverse and longitudinal yield strength opposite sex control method - Google Patents
A kind of low silicon non-oriented silicon steel and its transverse and longitudinal yield strength opposite sex control method Download PDFInfo
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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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—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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Abstract
The invention belongs to electric machine iron core manufacture field, it is related to a kind of low silicon non-oriented silicon steel and its transverse and longitudinal yield strength opposite sex control method.The mass percent of the low silicon non-oriented silicon steel is configured to：C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤0.005%, remaining is iron and inevitable impurity.Methods described includes：To heating strand, heating and temperature control, at 900 1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling；Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；Continuous annealing is carried out, control annealing temperature is at 700 1000 DEG C；Carry out Conventional insulation coating.By above-mentioned technical proposal, the dimensional accuracy of rotor greatly improved, improve the efficiency of motor.
Description
Technical field
The present invention relates to electric machine iron core manufacture field, more particularly to a kind of low silicon non-oriented silicon steel and its transverse and longitudinal surrender are by force
The different in nature control method of degree.
Background technology
Motor is the visual plant for converting electrical energy into kinetic energy, and stator-rotor iron core is the important spare part for constituting motor,
The dimensional accuracy and the accuracy of form and position of rotor have important influence to motor performance.The manufacture of stator-rotor iron core generally by
Non-oriented silicon steel sheet is punched into monolithic, then punching is overrided to form.The mechanical property of non-orientation silicon steel, particularly transverse and longitudinal
The difference of yield strength can influence the dimensional accuracy of rotor, so as to influence the efficiency of motor.
The content of the invention
The embodiment of the present application provides a kind of low silicon non-oriented silicon steel and its transverse and longitudinal yield strength opposite sex control method, solves
In the prior art due to non-orientation silicon steel transverse and longitudinal yield strength differentia influence rotor dimensional accuracy problem, significantly carry
The dimensional accuracy of rotor high, improves the efficiency of motor.
The embodiment of the present application provides a kind of low silicon non-oriented silicon steel, and the mass percent of the low silicon non-oriented silicon steel is constituted
For：C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤0.005%, its
Yu Weitie and inevitable impurity.
Further, the Si, the Mn, the P meet equation below：3≤[Si]+3.7 [Mn]+14 [P]≤3.6,
Wherein [Si] represents that the mass percent of Si, [Mn] represent that the mass percent of Mn, [P] represent the mass percent of P.
Further, the low silicon non-oriented silicon steel also includes：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel is between 0.99-1.01.
The embodiment of the present application also provides a kind of low silicon non-oriented silicon steel transverse and longitudinal yield strength opposite sex control method, the side
Method includes：According to C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤
0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, the quality of Si, Mn and P
Percentage meets formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；To heating strand, heating and temperature control at 900-1200 DEG C,
It is that thickness is the steel plate of 2.0mm by pair rolling；Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；Carry out
Continuous annealing, control annealing temperature is at 700-1000 DEG C；Carry out Conventional insulation coating.
Further, methods described includes：To described to heating strand, heating and temperature control is passed through at 900-1200 DEG C
During pair rolling is the steel plate that thickness is 2.0mm, at 800-1000 DEG C, control coiling temperature exists control finishing temperature
400-750℃。
One or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that：
The embodiment of the present application is configured to by by the mass percent of low silicon non-oriented silicon steel：C≤0.01%, Si≤
1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤0.005%, remaining is for iron and inevitably
Impurity, and the Si, the Mn, the P meet equation below：The technical scheme of 3≤[Si]+3.7 [Mn]+14 [P]≤3.6,
So that the transverse and longitudinal yield strength ratio of non-orientation silicon steel greatly improves the dimensional accuracy of rotor in the range of 0.99-1.01,
Improve the efficiency of motor.
Specific embodiment
The embodiment of the present application provides a kind of low silicon non-oriented silicon steel and its transverse and longitudinal yield strength opposite sex control method, solves
In the prior art due to non-orientation silicon steel transverse and longitudinal yield strength differentia influence rotor dimensional accuracy problem, significantly carry
The dimensional accuracy of rotor high, improves the efficiency of motor.
The embodiment of the present application is the transverse and longitudinal yield strength differentia influence rotor size essence for solving above-mentioned non-orientation silicon steel
The problem of degree, general thought is as follows：
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P meets formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
In order to be better understood from above-mentioned technical proposal, above-mentioned technical proposal is carried out below in conjunction with specific embodiment
Detailed description.
Embodiment one
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P is respectively 0.26%, 0.36%, 0.115%, then can obtain [Si]+3.7 [Mn]+14 [P]=
3.17%, meet formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
The transverse and longitudinal yield strength ratio of gained finished product is 1.008.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel in the present embodiment is 1.008, in the range of 0.99-1.01,
The dimensional accuracy of rotor is greatly improved, the efficiency of motor is improved.
Embodiment two
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P is respectively 0.28%, 0.38%, 0.113%, then can obtain [Si]+3.7 [Mn]+14 [P]=
3.24%, meet formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
The transverse and longitudinal yield strength ratio of gained finished product is 0.996.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel in the present embodiment is 0.996, in the range of 0.99-1.01,
The dimensional accuracy of rotor is greatly improved, the efficiency of motor is improved.
Embodiment three
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P is respectively 1.2%, 0.6%, 0.005%, then can obtain [Si]+3.7 [Mn]+14 [P]=
3.48%, meet formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
The transverse and longitudinal yield strength ratio of gained finished product is 0.996.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel in the present embodiment is 0.996, in the range of 0.99-1.01,
The dimensional accuracy of rotor is greatly improved, the efficiency of motor is improved.
Example IV
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P is respectively 1.17%, 0.59%, 0.011%, then can obtain [Si]+3.7 [Mn]+14 [P]=
3.50%, meet formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
The transverse and longitudinal yield strength ratio of gained finished product is 1.004.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel in the present embodiment is 1.004, in the range of 0.99-1.01,
The dimensional accuracy of rotor is greatly improved, the efficiency of motor is improved.
Embodiment five
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P is respectively 1.49%, 0.5%, 0.011%, then can obtain [Si]+3.7 [Mn]+14 [P]=
3.49%, meet formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
The transverse and longitudinal yield strength ratio of gained finished product is 0.992.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel in the present embodiment is 0.992, in the range of 0.99-1.01,
The dimensional accuracy of rotor is greatly improved, the efficiency of motor is improved.
Embodiment six
It is C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P according to mass percent
≤ 0.2%, N≤0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, Si,
The mass percent of Mn and P is respectively 1.51%, 0.46%, 0.013%, then can obtain [Si]+3.7 [Mn]+14 [P]=
3.39%, meet formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling,
, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
The transverse and longitudinal yield strength ratio of gained finished product is 1.004.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel in the present embodiment is 1.004, in the range of 0.99-1.01,
The dimensional accuracy of rotor is greatly improved, the efficiency of motor is improved.
For summary, the parameter conclusion such as table 1 of above-described embodiment：
The various embodiments of the present invention key component of table 1 and yield strength
In order to more preferably illustrate the technique effect of the embodiment of the present application, the embodiment of the present application provides other parts and tests ginseng
Number, to prove the technique effect of the application, specific experiment parameter such as table 2：
Each comparative example key component of the invention of table 2 and yield strength
As described above, when the mass percent of Si, Mn and P is unsatisfactory for formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6
When, the transverse and longitudinal yield strength ratio of non-orientation silicon steel is not in the range of 0.99-1.01, and the size it has impact on rotor is smart
Degree, reduces the efficiency of motor.
A kind of low silicon non-oriented silicon steel and its transverse and longitudinal yield strength opposite sex control method tool that the embodiment of the present application is provided
There is following technique effect：
The embodiment of the present application is configured to by by the mass percent of low silicon non-oriented silicon steel：C≤0.01%, Si≤
1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤0.005%, remaining is for iron and inevitably
Impurity, and the Si, the Mn, the P meet equation below：The technical scheme of 3≤[Si]+3.7 [Mn]+14 [P]≤3.6,
So that the transverse and longitudinal yield strength ratio of non-orientation silicon steel greatly improves the dimensional accuracy of rotor in the range of 0.99-1.01,
Improve the efficiency of motor.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of low silicon non-oriented silicon steel, it is characterised in that the mass percent of the low silicon non-oriented silicon steel is configured to：
C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤0.005%, its
Yu Weitie and inevitable impurity.
2. low silicon non-oriented silicon steel as claimed in claim 1, it is characterised in that the low silicon non-oriented silicon steel also includes：
The Si, the Mn, the P meet equation below：
3≤[Si]+3.7 [Mn]+14 [P]≤3.6, wherein [Si] represents that the mass percent of Si, [Mn] represent the quality hundred of Mn
Ratio, [P] is divided to represent the mass percent of P.
3. low silicon non-oriented silicon steel as claimed in claim 2, it is characterised in that the low silicon non-oriented silicon steel also includes：
The transverse and longitudinal yield strength ratio of the non-orientation silicon steel is between 0.99-1.01.
4. low silicon non-oriented silicon steel as claimed in claim 3, it is characterised in that the mass percent of Si, Mn and P is respectively
0.26%, 0.36%, 0.115%.
5. low silicon non-oriented silicon steel as claimed in claim 3, it is characterised in that the mass percent of Si, Mn and P is respectively
0.28%, 0.38%, 0.113%.
6. low silicon non-oriented silicon steel as claimed in claim 3, it is characterised in that the mass percent of Si, Mn and P is respectively
1.2%, 0.6%, 0.005%.
7. low silicon non-oriented silicon steel as claimed in claim 3, it is characterised in that the mass percent of Si, Mn and P is respectively
1.17%, 0.59%, 0.011%.
8. low silicon non-oriented silicon steel as claimed in claim 3, it is characterised in that the mass percent of Si, Mn and P is respectively
1.49%, 0.5%, 0.011%.
9. a kind of low silicon non-oriented silicon steel transverse and longitudinal yield strength opposite sex control method, it is characterised in that methods described includes：
According to C≤0.01%, Si≤1.8%, Mn≤0.8%, S≤0.008%, Al≤0.8%, P≤0.2%, N≤
0.005%, remaining is smelted for the low silicon non-oriented silicon steel of iron and inevitable impurity, wherein, the quality of Si, Mn and P
Percentage meets formula 3≤[Si]+3.7 [Mn]+14 [P]≤3.6；
To heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling；
Cold rolling by being carried out after conventional pickling, cold outgoing gauge is in 0.5mm；
Continuous annealing is carried out, control annealing temperature is at 700-1000 DEG C；
Carry out Conventional insulation coating.
10. method as claimed in claim 9, it is characterised in that methods described includes：
To described to heating strand, heating and temperature control, at 900-1200 DEG C, is that thickness is the steel plate of 2.0mm by pair rolling
During, at 800-1000 DEG C, control coiling temperature is at 400-750 DEG C for control finishing temperature.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109023116A (en) * | 2018-09-30 | 2018-12-18 | 日照钢铁控股集团有限公司 | A method of non-oriented electrical steel is produced using sheet billet endless rolling |
| CN109023116B (en) * | 2018-09-30 | 2021-09-07 | 日照钢铁控股集团有限公司 | Method for producing non-oriented electrical steel by adopting thin slab endless rolling |
| CN110396642A (en) * | 2019-07-29 | 2019-11-01 | 江苏理工学院 | Non-oriented electrical steel and preparation method thereof with { 100 } texture |
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