CN105838991A - Cold-rolled steel plate for household appliances and production method of cold-rolled steel plate - Google Patents
Cold-rolled steel plate for household appliances and production method of cold-rolled steel plate Download PDFInfo
- Publication number
- CN105838991A CN105838991A CN201610203757.XA CN201610203757A CN105838991A CN 105838991 A CN105838991 A CN 105838991A CN 201610203757 A CN201610203757 A CN 201610203757A CN 105838991 A CN105838991 A CN 105838991A
- Authority
- CN
- China
- Prior art keywords
- cold
- rolled steel
- steel sheet
- household electrical
- electrical appliances
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
-
- 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
-
- 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
-
- 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
- C21D8/0236—Cold rolling
-
- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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
-
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention discloses a cold-rolled steel plate for household appliances and a production method of the cold-rolled steel plate, and relates to the technical field of production of cold-rolled steel plates. The cold-rolled steel plate for household appliances comprises the chemical compositions of, by weight percentage, 0.020%-0.035% of C, less than or equal to 0.03% of Si, 0.10%-0.35% of Mn, 0.008%-0.020% of P, 0.008%-0.015% of S, 0.010%-0.050% of Als, 0.001%-0.002% of B, and the balance Fe and inevitable impurities. The production method includes the step that the technical treatment of hot rolling, winding, cold rolling, annealing, finishing and tension leveling is conducted on a plate blank. The steel plate obtained through the method meets the requirement for the mechanical property and has an excellent punching property; the rolling process is easy to control and high in adaptability, and the cold-rolled product structure is greatly enriched and improved.
Description
Technical field
The present invention relates to cold-rolled steel sheet production technical field, more particularly it relates to an with continuously
The household electrical appliances cold-rolled steel sheet of annealing way production and production method thereof.
Background technology
Along with the development of automobile industry, the requirement of household electrical appliances plate is improved constantly by market, is ensureing punching press
Under processability premise, in addition it is also necessary to there is certain intensity, reach the target of cost efficiency.
Continuous annealing produces the representational patent of cold-rolled steel sheet following 2:
(1) CN 100453675C relates to a kind of high strength cold rolled steel plate, composition by C:0.004～0.02%,
Below Si:1.5%, below Mn:3%, below P:0.15%, below S:0.02%, Als:0.1～1.5%,
N:0.001～0.007%, Nb:0.03～0.02%, surplus Fe and inevitable impurity composition.This invention
High strength cold rolled steel plate there is the hot strength of more than 340MPa, and resistance to areal deformation and draftability excellent,
Most suitably used ground car panel parts.But this invention yield strength is relatively low, is not suitable for automobile structure.
(2) CN 101265550B relates to a kind of cold rolling automobile plate for micro-alloy high-strength steel stamping.Its chemistry
Composition is by weight percentage: C0.04～0.10%, Si:0.03～0.05%, Mn:0.7～0.9%, P≤
0.030%, S≤0.03%, Als:0.02～0.07%, Nb:0.05～0.07%, surplus is Fe and can not keep away
Exempt from impurity.Technique is: desulfurizing iron → converter top-bottom blowing → application of vacuum → continuous casting → hot continuous rolling → laminar flow
Cool down → batch → acid rolls → bell-type annealing → smooth → finishing.This invention uses bell-type annealing technique, produces
Efficiency and automaticity produce product not as good as continuous annealing, and the surface defects such as oxidation tint easily occurs in surface.
And niobium adds more than 0.05% to, its effect reaches platform area, improves its content strengthening DeGrain.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of household electrical appliances cold-rolled steel sheet and production method thereof,
To meet the excellent punch forming in market, the requirement that product surface quality is excellent.
In order to reach above-mentioned technique effect, the present invention takes techniques below scheme: a kind of household electrical appliances cold-rolled steel
Plate, the chemical composition of described household electrical appliances cold-rolled steel sheet is by weight percentage: C:0.020%～0.035%,
Si :≤0.03%, Mn:0.10%～0.35%, P:0.008%～0.020%, S:0.008%～0.015%,
Als:0.010%～0.050%, B:0.001%～0.002%, surplus is Fe and inevitable impurity.
As preferably, the yield strength of described household electrical appliances cold-rolled steel sheet is 200～260MPa, tensile strength 280～
350MPa, percentage elongation >=45.0%, plastic strain ratio r90>=2.3, work hardening index n90≥0.22。
It addition, the present invention also provides for the production method of a kind of household electrical appliances cold-rolled steel sheet, described production method includes,
Slab is carried out successively hot rolling, batch, cold rolling, annealing, finishing and the PROCESS FOR TREATMENT of straightening.
Described hot rolling includes roughing and the finish rolling carried out successively, is first added in heating furnace by slab before described roughing
Heat is to 1220 DEG C～1250 DEG C, during heating a length of 180～250min；Carry out roughing afterwards；Hot rolling is close
Austenite finish to gauge when the Ar3 humidity province of ferritic transformation, is cooled to batch in section cooling mode after hot rolling
Temperature.Laminar flow is exactly that the water making low water head forms a nothing by the effect of swan-neck from water tank or collector pipe
Rotation and pulseless stream stock, this stream stock is from the appearance as transparent rod, and liquid particle is without any
Mix phenomenon.The water of such laminar flow regime drops to from certain altitude can be smoothly to four circumfluences surface of steel plate
Go, thus expand the effective contact with sheet material of the cooling water, substantially increase cooling effectiveness.Section cooling
Feature be the range of flow of cooling device be substantially certain.
The described temperature batched is 690 DEG C～720 DEG C.
Described cold rolling reduction ratio is 70%～80%.
Described annealing uses the mode that continuous annealing unit carries out continuous annealing, the speed of described continuous annealing unit
Degree is 180～270m/min, and intermediate slab is respectively 750～770 DEG C in the outlet temperature of bringing-up section and soaking zone
With 770～800 DEG C；At the belt steel temperature that the slow cooling terminal of continuous annealing furnace, rapid cooling terminal, overaging terminate
It is respectively 640～670 DEG C, 430～460 DEG C and 410-440 DEG C.
Described smooth elongation percentage is 0.8～1.2%, the elongation percentage 0.2～0.5% of described straightening.
As preferably, the chemical composition of described slab is by weight percentage: C:0.020%～0.035%,
Si :≤0.03%, Mn:0.10%～0.35%, P:0.008%～0.020%, S:0.008%～0.015%,
Als:0.010%～0.050%, B:0.001%～0.002%, surplus is Fe and inevitable impurity.
As preferably, described slab is to be processed and RH decarburization by desulfurizing iron, converter smelting, LF stove Ca
Technique, a chain of base being casting continuously to form.
As preferably, described roughing uses 5 passes, the 5 total dephosphorization of passage.
As preferably, the start rolling temperature of described finish rolling is 1020 DEG C～1050 DEG C, and the finishing temperature of finish rolling is
890 DEG C～920 DEG C.
As preferably, the centre after 39mm～44mm, described finish rolling of the intermediate slab thickness after described roughing
Slab thickness is at 3mm～5mm.
The present invention compared with prior art, has following beneficial effect: the present invention is by cold-rolled steel sheet
The control of chemical composition composition, especially the control of C, Si, Mn equal size, is conducive to provide cold-rolled steel sheet
Required intensity.Additionally the present invention has been also added with B, and this contributes to cold-rolled steel sheet, and crystal grain is slight uniformly, carries
High ductile-brittle transition temperature.
On the other hand, present invention also offers, the hot-rolled process control to coiling temperature, for the analysis of AlN
Going out, temperature is too high, and hot rolling excessive grain is thick, and temperature is too low, and crystal grain is too thin, all can deteriorate finished product tissue,
Affect the mechanical properties.Cold rolling process, reduction ratio is excessive, and mill load increases, it is also possible to can break band,
Reduction ratio is too small, and finished product crystal grain is the thickest.Annealing operation, annealing temperature is too high, and excessive grain is thick,
Annealing temperature is too low, it is impossible to complete recrystallization, all can affect end properties.Product mechanical property of the present invention is full
Foot requires, punching performance is excellent；And rolling mill practice of the present invention controls simple and adaptability relatively by force, very big DIFENG
Rich and perfect cold-rolled products structures.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment,
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to
Explain the present invention, be not intended to limit the present invention.
Embodiment 1:
The production method of a kind of household electrical appliances cold-rolled steel sheet, at usual desulfurizing iron, converter smelting, LF stove Ca
Reason, RH decarburization, the continuous casting billet being casting continuously to form.Its chemical component weight percentage ratio is C:0.030%, Si:0.02%,
Mn:0.21%, P:0.014%, S:0.010%, Als:0.037%, B:0.002%, surplus be Fe and
Inevitable impurity composition.Heating of plate blank to 1240 DEG C is carried out roughing, is 196min in stove heat time heating time,
After roughing, intermediate slab thickness is at 42mm, and finish rolling start rolling temperature 1030 DEG C, finishing temperature is 902 DEG C, batches
Degree is 699 DEG C, the thickness 3.5mm of hot rolled plate.Cold rolling reduction ratio is 78.3%, and Cold Rolled Plate Thickness is 0.8mm.
Roll that to be post-rolled on the unit speed of continuous annealing furnace be 197m/min, respectively by steel plate in bringing-up section and soaking zone
It is heated to 761 DEG C and 788 DEG C；At the band that the slow cooling terminal of continuous annealing furnace, rapid cooling terminal, overaging terminate
Steel temperature controls respectively 644 DEG C, 442 DEG C and 429 DEG C；Smooth, straightening elongation percentage controls respectively 0.88%
With 0.21%.Yield strength, tensile strength, percentage elongation, n90, r90 be respectively 205MPa, 332MPa,
49.0、0.24、2.4。
Embodiment 2:
The production method of a kind of household electrical appliances cold-rolled steel sheet, at usual desulfurizing iron, converter smelting, LF stove Ca
Reason, RH decarburization, the continuous casting billet being casting continuously to form.Its chemical component weight percentage ratio is C:0.020%, Si:0.02%,
Mn:0.21%, P:0.014%, S:0.010%, Als:0.037%, B:0.002%, surplus be Fe and
Inevitable impurity composition.Heating of plate blank to 1240 DEG C is carried out roughing, is 196min in stove heat time heating time,
After roughing, intermediate slab thickness is at 42mm, and finish rolling start rolling temperature 1030 DEG C, finishing temperature is 893 DEG C, batches
Degree is 705 DEG C, the thickness 3.5mm of hot rolled plate.Cold rolling reduction ratio is 78.3%, and Cold Rolled Plate Thickness is 0.8mm.
Roll that to be post-rolled on the unit speed of continuous annealing furnace be 195m/min, respectively by steel plate in bringing-up section and soaking zone
It is heated to 756 DEG C and 792 DEG C；At the band that the slow cooling terminal of continuous annealing furnace, rapid cooling terminal, overaging terminate
Steel temperature controls respectively 650 DEG C, 450 DEG C and 438 DEG C；Smooth, straightening elongation percentage controls respectively 0.86%
With 0.25%.Yield strength, tensile strength, percentage elongation, n90, r90 be respectively 220MPa, 345MPa,
47.5、0.22、2.3。
Embodiment 3:
The production method of a kind of household electrical appliances cold-rolled steel sheet, at usual desulfurizing iron, converter smelting, LF stove Ca
Reason, RH decarburization, the continuous casting billet being casting continuously to form.Its chemical component weight percentage ratio is C:0.035%, Si:0.02%,
Mn:0.21%, P:0.014%, S:0.010%, Als:0.037%, B:0.002%, surplus be Fe and
Inevitable impurity composition.Heating of plate blank to 1240 DEG C is carried out roughing, is 195min in stove heat time heating time,
After roughing, intermediate slab thickness is at 42mm, and finish rolling start rolling temperature 1030 DEG C, finishing temperature is 918 DEG C, batches
Degree is 716 DEG C, the thickness 3.5mm of hot rolled plate.Cold rolling reduction ratio is 78.3%, and Cold Rolled Plate Thickness is 0.8mm.
Roll that to be post-rolled on the unit speed of continuous annealing furnace be 195m/min, respectively by steel plate in bringing-up section and soaking zone
It is heated to 768 DEG C and 776 DEG C；At the band that the slow cooling terminal of continuous annealing furnace, rapid cooling terminal, overaging terminate
Steel temperature controls respectively 665 DEG C, 438 DEG C and 410 DEG C；Smooth, straightening elongation percentage controls respectively 0.88%
With 0.21%.Yield strength, tensile strength, percentage elongation, n90, r90 be respectively 210MPa, 338MPa,
48.0、0.23、2.3。
Although reference be made herein to invention has been described for the explanatory embodiment of the present invention, however, it should reason
Solving, those skilled in the art can be designed that a lot of other amendments and embodiment, these amendments and enforcement
Mode will fall within spirit disclosed in the present application and spirit.More specifically, disclosed in the present application
In the range of, the building block of theme composite configuration and/or layout can be carried out multiple modification and improvement.Except
The modification that building block and/or layout are carried out and improve outside, to those skilled in the art, other
Purposes also will be apparent from.
Claims (8)
1. a household electrical appliances cold-rolled steel sheet, it is characterised in that the chemical composition of described household electrical appliances cold-rolled steel sheet
Composition is by weight percentage: C:0.020%～0.035%, Si :≤0.03%, Mn:0.10%～0.35%,
P:0.008%～0.020%, S:0.008%～0.015%, Als:0.010%～0.050%, B:0.001%～
0.002%, surplus is Fe and inevitable impurity.
A kind of household electrical appliances cold-rolled steel sheet the most according to claim 1, it is characterised in that described household electrical appliances
It is 200～260MPa by the yield strength of cold-rolled steel sheet, tensile strength 280～350MPa, percentage elongation
>=45.0%, plastic strain ratio r90>=2.3, work hardening index n90≥0.22。
3. produce a production method for household electrical appliances cold-rolled steel sheet as claimed in claim 1 or 2, described
Production method includes, slab is carried out successively hot rolling, batch, cold rolling, annealing, finishing and the technique of straightening
Process, it is characterised in that:
Described hot rolling includes roughing and the finish rolling carried out successively, is first added in heating furnace by slab before described roughing
Heat is to 1220 DEG C～1250 DEG C, during heating a length of 180～250min；Carry out roughing afterwards；Hot rolling is close
Austenite finish to gauge when the Ar3 humidity province of ferritic transformation, is cooled to batch in section cooling mode after hot rolling
Temperature；
The described temperature batched is 690 DEG C～720 DEG C；
Described cold rolling reduction ratio is 70%～80%；
Described annealing uses the mode that continuous annealing unit carries out continuous annealing, the speed of described continuous annealing unit
Degree is 180～270m/min, intermediate slab the outlet temperature of bringing-up section and soaking zone be respectively 750～
770 DEG C and 770～800 DEG C；At the band that the slow cooling terminal of continuous annealing furnace, rapid cooling terminal, overaging terminate
Steel temperature is respectively 640～670 DEG C, 430～460 DEG C and 410-440 DEG C；
Described smooth elongation percentage is 0.8～1.2%, the elongation percentage 0.2～0.5% of described straightening.
The production method of a kind of household electrical appliances cold-rolled steel sheet the most according to claim 3, it is characterised in that:
The chemical composition of described slab is by weight percentage: C:0.020%～0.035%, Si :≤0.03%,
Mn:0.10%～0.35%, P:0.008%～0.020%, S:0.008%～0.015%, Als:0.010%～
0.050%, B:0.001%～0.002%, surplus is Fe and inevitable impurity.
5. according to the production method of a kind of household electrical appliances cold-rolled steel sheet described in claim 3 or 4, its feature
It is: described slab is to be processed and RH decarbonization process, even by desulfurizing iron, converter smelting, LF stove Ca
The a chain of base cast.
The production method of a kind of household electrical appliances cold-rolled steel sheet the most according to claim 3, it is characterised in that:
Described roughing uses 5 passes, the 5 total dephosphorization of passage.
The production method of a kind of household electrical appliances cold-rolled steel sheet the most according to claim 3, it is characterised in that:
The start rolling temperature of described finish rolling is 1020 DEG C～1050 DEG C, and the finishing temperature of finish rolling is 890 DEG C～920 DEG C.
The production method of a kind of household electrical appliances cold-rolled steel sheet the most according to claim 3, it is characterised in that:
The intermediate slab thickness after described roughing intermediate slab thickness after 39mm～44mm, described finish rolling exists
3mm～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610203757.XA CN105838991A (en) | 2016-04-01 | 2016-04-01 | Cold-rolled steel plate for household appliances and production method of cold-rolled steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610203757.XA CN105838991A (en) | 2016-04-01 | 2016-04-01 | Cold-rolled steel plate for household appliances and production method of cold-rolled steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105838991A true CN105838991A (en) | 2016-08-10 |
Family
ID=56596675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610203757.XA Pending CN105838991A (en) | 2016-04-01 | 2016-04-01 | Cold-rolled steel plate for household appliances and production method of cold-rolled steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105838991A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460404A (en) * | 2017-07-17 | 2017-12-12 | 河钢股份有限公司 | A kind of yield strength 800MPa ultra-high strength strip steels and preparation method thereof |
| CN110438312A (en) * | 2019-08-02 | 2019-11-12 | 包头钢铁（集团）有限责任公司 | A method of improving cold-rolling deep-punching steel elongation and strain hardening exponent n value |
| CN113699442A (en) * | 2021-08-02 | 2021-11-26 | 山东钢铁集团日照有限公司 | Cold-rolled steel strip for boron-added structure and production method thereof |
| CN113755754A (en) * | 2021-08-26 | 2021-12-07 | 揭阳市柏亿不锈钢有限公司 | Cold-rolled steel plate and preparation method thereof |
| CN116219298A (en) * | 2022-12-20 | 2023-06-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for producing cold-rolled enamelled steel sheet with good reaming performance by smelting semisteel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002161336A (en) * | 2000-09-12 | 2002-06-04 | Nkk Corp | Super high tensile-strength cold-rolled steel sheet and manufacturing method therefor |
| CN101597674A (en) * | 2009-07-03 | 2009-12-09 | 首钢总公司 | A kind of continuous annealing method of DC 01 steel plate with low yield and high tensile strength for automobiles |
| CN104611535A (en) * | 2015-02-06 | 2015-05-13 | 攀钢集团攀枝花钢铁研究院有限公司 | Cold-rolled steel sheet and preparation method thereof |
| CN104745931A (en) * | 2015-03-26 | 2015-07-01 | 攀钢集团西昌钢钒有限公司 | Low-cost cold-rolled steel plate production method |
-
2016
- 2016-04-01 CN CN201610203757.XA patent/CN105838991A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002161336A (en) * | 2000-09-12 | 2002-06-04 | Nkk Corp | Super high tensile-strength cold-rolled steel sheet and manufacturing method therefor |
| CN101597674A (en) * | 2009-07-03 | 2009-12-09 | 首钢总公司 | A kind of continuous annealing method of DC 01 steel plate with low yield and high tensile strength for automobiles |
| CN104611535A (en) * | 2015-02-06 | 2015-05-13 | 攀钢集团攀枝花钢铁研究院有限公司 | Cold-rolled steel sheet and preparation method thereof |
| CN104745931A (en) * | 2015-03-26 | 2015-07-01 | 攀钢集团西昌钢钒有限公司 | Low-cost cold-rolled steel plate production method |
Non-Patent Citations (2)
| Title |
|---|
| 《钢铁热处理》编写组: "《钢铁热处理——原理及应用》", 31 January 1979, 上海科学技术出版社 * |
| 上海市热处理协会 编: "《实用热处理手册（第2版）》", 30 April 2014, 上海科学技术出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460404A (en) * | 2017-07-17 | 2017-12-12 | 河钢股份有限公司 | A kind of yield strength 800MPa ultra-high strength strip steels and preparation method thereof |
| CN107460404B (en) * | 2017-07-17 | 2019-05-17 | 河钢股份有限公司 | A kind of yield strength 800MPa ultra-high strength strip steel and preparation method thereof |
| CN110438312A (en) * | 2019-08-02 | 2019-11-12 | 包头钢铁（集团）有限责任公司 | A method of improving cold-rolling deep-punching steel elongation and strain hardening exponent n value |
| CN113699442A (en) * | 2021-08-02 | 2021-11-26 | 山东钢铁集团日照有限公司 | Cold-rolled steel strip for boron-added structure and production method thereof |
| CN113755754A (en) * | 2021-08-26 | 2021-12-07 | 揭阳市柏亿不锈钢有限公司 | Cold-rolled steel plate and preparation method thereof |
| CN116219298A (en) * | 2022-12-20 | 2023-06-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for producing cold-rolled enamelled steel sheet with good reaming performance by smelting semisteel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106011643B (en) | A kind of tensile strength 590MPa grades of cold-rolled biphase steels and preparation method thereof | |
| CN106011644B (en) | High elongation rate cold rolling high strength steel plate and preparation method thereof | |
| CN104278201B (en) | There is the preparation method of good cold formability high-carbon steel | |
| CN107619993A (en) | Yield strength 750MPa level cold rolling martensite steel plates and its manufacture method | |
| CN108796375A (en) | A kind of tensile strength 1000MPa grades of hot-dip galvanized high-strength steels and its minimizing production method | |
| CN106256918B (en) | A kind of the Automobile flywheel cold-strip steel and its manufacturing method of precision stamping processing | |
| CN104651734B (en) | 1000MPa grade high-strength high-ductility medium managese steel containing aluminum and its manufacture method | |
| CN107419192A (en) | A kind of 30CrMo steel bands and its production method | |
| CN109161805B (en) | 590 MPa-grade automobile lightweight cold-rolled dual-phase steel and production method thereof | |
| CN105838991A (en) | Cold-rolled steel plate for household appliances and production method of cold-rolled steel plate | |
| CN107868911A (en) | A kind of yield strength 600MPa level hot rolled steel plates and its manufacture method | |
| CN107419078A (en) | Yield strength 345MPa level low cost hot rolled steel plates and its manufacture method | |
| CN107475627B (en) | 600MPa grade analysis of producing hot rolled TRIP and manufacturing method based on CSP process | |
| CN107557692B (en) | 1000MPa grade analysis of producing hot rolled TRIP and manufacturing method based on CSP process | |
| CN106399820B (en) | A kind of 980MPa grades of hot rolling high-chambering dual phase steel and its manufacturing method | |
| CN107779743A (en) | Micro- carbon hot rolling acid-cleaning steel plate and its manufacture method with good deep drawability | |
| CN106834914A (en) | Deep-draw level Ti IF cold-rolled steel sheets and preparation method thereof | |
| CN109536846A (en) | Yield strength 700MPa grade high ductility hot rolled steel plate and its manufacturing method | |
| CN104046895B (en) | Gapless atomic steel cold-rolled steel sheet and production method thereof | |
| CN109055651A (en) | A method of 600MPa grades of carriage body steel of hot rolling thin gauge are produced completely without head bar strip continuous casting and rolling flow path based on ESP | |
| CN109266812A (en) | A kind of coal mine hydraulic supporting low yield strength ratio high-strength hardened and tempered steel and its manufacturing method | |
| CN110129673A (en) | A kind of 800MPa grades of high strength and ductility Q&P steel plate and preparation method thereof | |
| CN103757532B (en) | The high-strength tie of thin strap continuous casting economy of tensile strength >=980MPa and manufacture method thereof | |
| CN105603310B (en) | A kind of low yield strength ratio Q420GJ steel plate for building and its production method | |
| CN107881409A (en) | A kind of side's tank cold rolling tin plate and its manufacture method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |