CN107385320B - A kind of spiral cover secondary cold-rolling tin plate and its production method - Google Patents
A kind of spiral cover secondary cold-rolling tin plate and its production method Download PDFInfo
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- CN107385320B CN107385320B CN201710408503.6A CN201710408503A CN107385320B CN 107385320 B CN107385320 B CN 107385320B CN 201710408503 A CN201710408503 A CN 201710408503A CN 107385320 B CN107385320 B CN 107385320B
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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
-
- 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
- C21D8/0268—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment between cold rolling steps
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/08—Tin or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
Abstract
The present invention discloses a kind of spiral cover secondary cold-rolling tin plate and its production method, the chemical component mass percent of spiral cover secondary cold-rolling tin plate is respectively as follows: C 0.03~0.05%, Si≤0.02%, Mn 0.15~0.30%, P≤0.015%, S≤0.012%, Als 0.03~0.07%, N 0.0070~0.0140%, remaining is Fe and impurity.The production method includes: hot continuous rolling, cold rolling, continuous annealing, secondary cold-rolling and tin plating technique.The present invention can effectively reduce the additional amount of alloying element valuable in steel by the N element of appropriate C, Mn element of addition and 70~140ppm in steel, reduce cost of alloy under the premise of proof strength hardness.Meanwhile high plasticity can get using high temperature coiling, high temperature continuous annealing and small secondary cold-rolling reduction ratio, and obtain small anisotropy, and the plate surfaces defect such as wood grain exclusively can effectively avoid using pure induction reflow technique, improve surface quality.
Description
Technical field
The present invention relates to technical field steel technical field more particularly to a kind of spiral cover secondary cold-rolling tin plate and its lifes
Production method.
Background technique
Secondary cold-rolling tin plate is to pass through the operation of continuous electroplating tin again after the uncoated tinplate base after annealing carries out secondary cold-rolling
The tin plate or steel band in two sides plating tin layers obtained.It has intensity high, and the thin feature of thickness is widely used in eating
Product, the field of product packaging such as beverage, chemical industry.Wherein, it is one of important use that spiral cover, which is secondary cold-rolling tin plate, due to shaping
Journey not deburring, therefore strict requirements are proposed to the formability and anisotropy of secondary cold-rolling tin plate.
The secondary cold-rolling plate and its manufacturing method of a kind of high extension in the prior art, ingredient are C0.15~0.20%,
Si≤0.030%, Mn0.10-0.50%, P≤0.020%, S≤0.020%, Al0.01~0.05%, N0.0030~
0.0080%, remaining is Fe and impurity.Its continuous annealing temperature is 600~700 DEG C, and secondary cold-rolling reduction ratio is 5~15%, at
Product hardness can reach 66~80.
The invention uses higher carbon component, secondary cold-rolling product is obtained by small secondary cold-rolling, due to its C content mistake
Height, there are acid rolling difficulty, plate shape is difficult to control, and finishing, the high problem of process cost are needed before plating.
Summary of the invention
The application provides a kind of spiral cover secondary cold-rolling tin plate and its production method, solves in the prior art secondary
Cold-reduced sheet, since carbon content is excessively high, there are acid rolling difficulty, plate shape is difficult to control, and finishing is needed before plating, process cost is high
Technical problem.
The application provides a kind of spiral cover secondary cold-rolling tin plate, the chemical component of spiral cover secondary cold-rolling tin plate
Mass percent is respectively as follows:
C 0.03~0.05%, Si≤0.02%, Mn 0.15~0.30%, P≤0.015%, S≤0.012%, Als
0.03~0.07%, N 0.0070~0.0140%, remaining is Fe and impurity.
The application also provides a kind of production method of spiral cover secondary cold-rolling tin plate, for producing the spiral cover with two
Secondary cold-rolled tin plate, the production method include: hot continuous rolling, cold rolling, continuous annealing, secondary cold-rolling and tin plating technique.
Preferably, the temperature of the reheating in the Hot Strip Rolling is 1200~1260 DEG C.
Preferably, the roughing in the Hot Strip Rolling uses 1+5 or 3+3 passage.
Preferably, the finishing temperature of the finish rolling in the Hot Strip Rolling is 850~900 DEG C.
Preferably, the temperature batched in the Hot Strip Rolling is 660~720 DEG C.
Preferably, continuous annealing temperature during described cold rolled annealed is 680~720 DEG C.
Preferably, 400~500m/min of furnace zone speed during described cold rolled annealed.
Preferably, the secondary cold-rolling reduction ratio during secondary cold-rolling is 10~18%.
Preferably, pure induction reflow temperature during described tin plating is 250~280 DEG C.
The application has the beneficial effect that:
The present invention can effectively reduce steel by the N element of appropriate C, Mn element of addition and 70~140ppm in steel
In valuable alloying element additional amount, reduce cost of alloy under the premise of proof strength hardness.Meanwhile using high warm rolling
It takes, high temperature continuous annealing and small secondary cold-rolling reduction ratio can get high plasticity, and obtain small anisotropy, and exclusively adopt
It can effectively avoid the plate surfaces defect such as wood grain with pure induction reflow technique, improve surface quality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment.
Fig. 1 is a kind of production method flow chart of spiral cover secondary cold-rolling tin plate of the application better embodiment.
Specific embodiment
The embodiment of the present application solves existing skill by providing a kind of spiral cover secondary cold-rolling tin plate and its production method
Secondary cold-rolling plate in art, since carbon content is excessively high, there are acid rolling difficulty, plate shape is difficult to control, and finishing, work are needed before plating
Sequence technical problem at high cost.
In order to solve the above-mentioned technical problem, general thought is as follows for technical solution in the embodiment of the present application:
The present invention can effectively reduce steel by the N element of appropriate C, Mn element of addition and 70~140ppm in steel
In valuable alloying element additional amount, reduce cost of alloy under the premise of proof strength hardness.Meanwhile using high warm rolling
It takes, high temperature continuous annealing and small secondary cold-rolling reduction ratio can get high plasticity, and obtain small anisotropy, and exclusively adopt
It can effectively avoid the plate surfaces defect such as wood grain with pure induction reflow technique, improve surface quality.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
In order to solve secondary cold-rolling plate in the prior art, since carbon content is excessively high, there are acid rolling difficulty, plate shape is difficult
With control, need finishing, the high technical problem of process cost before plating, the application provide a kind of spiral cover secondary cold-rolling tin plate and
Its production method.
The chemical component mass percent of spiral cover provided by the invention secondary cold-rolling tin plate be respectively as follows: C 0.03~
0.05%, Si≤0.02%, Mn 0.15~0.30%, P≤0.015%, S≤0.012%, Als 0.03~0.07%, N
0.0070~0.0140%, remaining is Fe and impurity.
In Design of Chemical Composition of the present invention:
C, Mn, N are used as intensified element to be added, and wherein C, N element are gap solution strengthening element, meanwhile, also
The significant precipitation strength effect of N element is played, Mn element is displacement solution strengthening element.To guarantee secondary cold-rolling tin plate
Intensity and hardness, while to guarantee to have both good plasticity, C element is limited to 0.03~0.05%, and the excessively high plasticity that will lead to is disliked
Change, it is too low so that intensity is insufficient.Mn mischmetal higher cost, and invigoration effect is lower than N element, therefore is control cost, it will
Mn element is limited to 0.15~0.30%.Since, N is that invigoration effect is significant and low-cost element, pass through the precipitation strength of N
It is remarkably improved matrix strength and hardness, makes to reduce secondary cold-rolling pressure under the premise of guaranteeing the intensity and hardness of final products
Lower rate is possibly realized.
As shown in Figure 1, the production method based on spiral cover secondary cold-rolling tin plate provided by the invention include: hot continuous rolling,
Cold rolling, continuous annealing, secondary cold-rolling and tin plating technique.
Specifically, the temperature of the reheating in the Hot Strip Rolling is 1200~1260 DEG C.
Specifically, the roughing in the Hot Strip Rolling uses 1+5 or 3+3 passage.
Specifically, the finishing temperature of the finish rolling in the Hot Strip Rolling is 850~900 DEG C.
Specifically, the temperature batched in the Hot Strip Rolling is 660~720 DEG C.
Specifically, continuous annealing temperature during described cold rolled annealed is 680~720 DEG C.
Specifically, 400~500m/min of furnace zone speed during described cold rolled annealed.
Specifically, the secondary cold-rolling reduction ratio during secondary cold-rolling is 10~18%.
Specifically, pure induction reflow temperature during described tin plating is 250~280 DEG C.
In present invention process design:
Hot rolling uses 660~720 DEG C of high temperature coiling, and main purpose is to be conducive to cold rolled annealed rear promotion to be conducive to shape
{ 111 } texture formed, improve plasticity and formability.
It is the formation and growth that promote { 111 } texture during cold rolled annealed, while based on annealing temperature at 660 DEG C or more
When the condition that can be largely precipitated in annealing process of N element, limit annealing temperature as 680~720 DEG C, both guaranteed have in steel
Suitable texture and crystallite dimension, while being sufficiently precipitated in guarantee N element with tiny size to improve intensity and hardness, and make
It obtains each uniform to performance.
During secondary cold-rolling, since the matching of chemical component and cold and hot roll process using small secondary cold-rolling so that depressed
Rate is that can reach the rank of DR-7M and DR-8, therefore can reduce secondary cold-rolling to plasticity and each damage to performance uniformity, is subtracted
Small anisotropy.
During tin plating, common resistance reflow and resistance+induction combination soft heat usually have conductive rollers and belt steel surface
Contact, while its heating speed is lower than pure induction reflow, is also easy to produce and wipes the surface defects such as scuffing, wood grain, therefore combines in coating
The control of alloy-layer ratio, by pure induction reflow limit temperature at 250~280 DEG C.
Chemical component and production technology are mutually matched in the present invention, and unique.For proof strength and hardness, chemical component is set
Timing is on the basis of considering cost of alloy using adding valuable Mn element less and the design side of cheap N element is largely added
Case improves intensity and hardness by the solid solution and precipitation strength of N；And it is imitated in technological design to give full play to N precipitation strength
Annealing temperature is increased on temperature necessary to slightly above N is largely precipitated by fruit, and matches suitable secondary cold-rolling reduction ratio.
To reduce anisotropy, emphasis is to reduce secondary cold-rolling reduction ratio, therefore pass through chemical component and annealing temperature
Matching improves substrate strength and hardness, makes under the multiple invigoration effect of C, Mn solution strengthening and N solid solution and precipitation strength
Obtaining can reach required intensity and hardness level in lower secondary cold-rolling reduction ratio.To guarantee plasticity and formability, change
The design concept for using low C first is studied point, cooperates high temperature coiling and high-temperature annealing process that substrate is had reasonable brilliant
Grain and texture, and reduce by small secondary cold-rolling reduction ratio the harm of secondary cold-rolling, it is final obtain have good plasticity with
Small anisotropic product.
In addition, no extra roller is contacted with belt steel surface due to using pure induction reflow technique, can reduce in production to band
The destruction of steel surface, simultaneously because having the high rate of heat addition to make the formation temperature area that can effectively avoid wood grain defect when soft heat
Between, avoid the generation of surface defect.
Spiral cover provided by the invention is with the beneficial effect of secondary cold-rolling tin plate and its production method:
The present invention can effectively reduce steel by the N element of appropriate C, Mn element of addition and 70~140ppm in steel
In valuable alloying element additional amount, reduce cost of alloy under the premise of proof strength hardness.
Meanwhile high plasticity can get using high temperature coiling, high temperature continuous annealing and small secondary cold-rolling reduction ratio, and obtain
Small anisotropy is obtained, and the plate surfaces defect such as wood grain exclusively can effectively avoid using pure induction reflow technique, improves surface
Quality.
The ingredient design cooperation high temperature continuous annealing strengthened by using carbon, manganese, nitrogen, small secondary cold-rolling reduction ratio and pure
The production technology of induction reflow can produce low cost, high intensity, high-ductility, less anisotropy is small, surface quality is high and process at
This low tin plate.
In order to understand the present invention in depth, below according to specific example, the present invention is described in detail.
Example 1
Using conventional continuous cast method formed chemical component mass percent be respectively C0.03%, Si0.01%,
Mn0.18%, P0.010%, S0.005%, Als0.066%, N0.0080%, remaining is the slab of Fe and impurity.
Then, slab is enabled successively to remove by heating, roughing de-scaling, roughing, crop end, finish rolling by hot tandem
Squama, section cooling, batches carry out hot continuous rolling at finish rolling.Wherein, heating furnace heating temperature is 1220 DEG C, and roughing uses 1+5 passage,
Mm finishing mill unit finishing temperature is 877 DEG C, and coiling temperature is 667 DEG C.In this way, after roughing, finish rolling, section cooling, through pulleying
Machine is taken to batch；Then, enable hot rolled coil by coupled pickling and tandem mill, continuous annealing unit and tin plating unit i.e. successively by uncoiling, cutting head,
Pickling, trimming, cold continuous rolling, continuous annealing, secondary cold-rolling, tin plating progress are cold rolled annealed tin plating, wherein and continuous annealing temperature is 682 DEG C,
Secondary cold-rolling rate 11%, pure induction reflow temperature are 255 DEG C, finished product thickness 0.15mm.In this way, through overpickling, cold rolling, moving back
After fiery, tin plating, batched by coiling machine, finally obtain chemical component mass percent be respectively C0.03%, Si0.01%,
Mn0.29%, P0.010%, S0.005%, Als0.066%, N0.0080%, remaining is the DR-7M hardness level of Fe and impurity
Secondary cold-rolling tin plate, hardness HR30Tm are 68.
Example 2
Using conventional continuous cast method formed chemical component mass percent be respectively C0.05%, Si0.015%,
Mn0.29%, P0.012%, S0.007%, Als0.045%, N0.0105%, remaining is the slab of Fe and impurity.
Then, slab is enabled successively to remove by heating, roughing de-scaling, roughing, crop end, finish rolling by hot tandem
Squama, section cooling, batches carry out hot continuous rolling at finish rolling, wherein and heating furnace heating temperature is 1255 DEG C, and roughing uses 3+3 passage,
Mm finishing mill unit finishing temperature is 858 DEG C, and coiling temperature is 715 DEG C.In this way, after roughing, finish rolling, section cooling, through pulleying
Machine is taken to batch；Then, enable hot rolled coil by coupled pickling and tandem mill, continuous annealing unit and tin plating unit i.e. successively by uncoiling, cutting head,
Pickling, trimming, cold continuous rolling, continuous annealing, secondary cold-rolling, tin plating progress are cold rolled annealed tin plating, wherein and continuous annealing temperature is 690 DEG C,
Secondary cold-rolling rate 18%, pure induction reflow temperature are 278 DEG C, finished product thickness 0.17mm.In this way, through overpickling, cold rolling, moving back
After fiery, tin plating, batched by coiling machine, finally obtain chemical component mass percent be respectively C0.05%, Si0.015%,
Mn0.29%, P0.012%, S0.007%, Als0.045%, N0.0105%, remaining is the DR-8 hardness level of Fe and impurity
Secondary cold-rolling tin plate, hardness HR30Tm are 73.
Example 3
Using conventional continuous cast method formed chemical component mass percent be respectively C0.04%, Si0.008%,
Mn0.25%, P0.013%, S0.005%, Als0.033%, N0.0133%, remaining is the slab of Fe and impurity.
Then, slab is enabled successively to remove by heating, roughing de-scaling, roughing, crop end, finish rolling by hot tandem
Squama, section cooling, batches carry out hot continuous rolling at finish rolling, wherein and heating furnace heating temperature is 1247 DEG C, and roughing uses 3+3 passage,
Mm finishing mill unit finishing temperature is 887 DEG C, and coiling temperature is 693 DEG C.In this way, after roughing, finish rolling, section cooling, through pulleying
Machine is taken to batch；Then, enable hot rolled coil by coupled pickling and tandem mill, continuous annealing unit and tin plating unit i.e. successively by uncoiling, cutting head,
Pickling, trimming, cold continuous rolling, continuous annealing, secondary cold-rolling, tin plating progress are cold rolled annealed tin plating, wherein and continuous annealing temperature is 716 DEG C,
Secondary cold-rolling rate 15%, pure induction reflow temperature are 260 DEG C, finished product thickness 0.22mm.In this way, through overpickling, cold rolling, moving back
After fiery, tin plating, batched by coiling machine, finally obtain chemical component mass percent be respectively C0.04%, Si0.008%,
Mn0.25%, P0.013%, S0.005%, Als0.033%, N0.0133%, remaining is the DR-8 hardness level of Fe and impurity
Secondary cold-rolling tin plate, hardness HR30Tm are 72.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of spiral cover production method of secondary cold-rolling tin plate, special for spiral cover secondary cold-rolling tin plate
Sign is that the chemical component mass percent of spiral cover secondary cold-rolling tin plate is respectively as follows:
C 0.03~0.05%, Si≤0.02%, Mn 0.15~0.30%, P≤0.015%, S≤0.012%, Als 0.066
~0.07%, N 0.0070~0.0140%, remaining is Fe and impurity；
The production method includes: hot continuous rolling, cold rolling, continuous annealing, secondary cold-rolling and tin plating technique, in the cold rolled annealed mistake
Continuous annealing temperature in journey is 716~720 DEG C, and the secondary cold-rolling reduction ratio during secondary cold-rolling is 10~11%,
It is described it is tin plating during pure induction reflow temperature be 250~280 DEG C.
2. production method as described in claim 1, which is characterized in that the temperature of the reheating in the Hot Strip Rolling is
1200~1260 DEG C.
3. production method as described in claim 1, which is characterized in that the roughing in the Hot Strip Rolling uses 1+5 or 3
+ 3 passages.
4. production method as described in claim 1, which is characterized in that the finishing temperature of the finish rolling in the Hot Strip Rolling
It is 850~900 DEG C.
5. production method as described in claim 1, which is characterized in that the temperature batched in the Hot Strip Rolling is
660~720 DEG C.
6. production method as described in claim 1, which is characterized in that the furnace zone speed 400 during described cold rolled annealed
~500m/min.
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| CN108504947A (en) * | 2018-04-04 | 2018-09-07 | 首钢集团有限公司 | A kind of secondary cold-rolling tin plate and its production method |
| CN108950613B (en) * | 2018-08-06 | 2020-11-13 | 首钢集团有限公司 | Preparation method of tin plate and application of tin plate prepared by same |
| CN111534757B (en) * | 2020-05-11 | 2021-09-21 | 首钢集团有限公司 | Steel for packaging, production method thereof and packaging product |
| CN114058946B (en) * | 2021-10-14 | 2022-12-16 | 首钢集团有限公司 | Low-anisotropy high-strength high-elongation steel substrate, tin-plated plate and preparation method of tin-plated plate |
| CN114807771B (en) * | 2022-04-14 | 2023-10-31 | 首钢集团有限公司 | Thin strip steel with large width-to-thickness ratio and preparation method and application thereof |
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| CN102286688A (en) * | 2010-06-21 | 2011-12-21 | 宝山钢铁股份有限公司 | Steel for high-hardness tin plating primitive plate and manufacture method thereof |
| CN105648331A (en) * | 2014-11-14 | 2016-06-08 | 上海梅山钢铁股份有限公司 | Cold-rolled flash-coating tinned steel plate for food can and manufacturing method thereof |
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|---|---|---|---|---|
| CN102234736A (en) * | 2010-04-22 | 2011-11-09 | 宝山钢铁股份有限公司 | Secondary cold-rolled high-hardness stamping steel with high isotropy and manufacturing method thereof |
| CN102286688A (en) * | 2010-06-21 | 2011-12-21 | 宝山钢铁股份有限公司 | Steel for high-hardness tin plating primitive plate and manufacture method thereof |
| CN105648331A (en) * | 2014-11-14 | 2016-06-08 | 上海梅山钢铁股份有限公司 | Cold-rolled flash-coating tinned steel plate for food can and manufacturing method thereof |
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