CN107716549A - A kind of steel combined with aluminum strip and its production method - Google Patents
A kind of steel combined with aluminum strip and its production method Download PDFInfo
- Publication number
- CN107716549A CN107716549A CN201711065792.0A CN201711065792A CN107716549A CN 107716549 A CN107716549 A CN 107716549A CN 201711065792 A CN201711065792 A CN 201711065792A CN 107716549 A CN107716549 A CN 107716549A
- Authority
- CN
- China
- Prior art keywords
- steel
- strip
- aluminum
- production method
- aluminium
- 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
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 148
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 132
- 239000010959 steel Substances 0.000 title claims abstract description 132
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 239000004411 aluminium Substances 0.000 claims abstract description 78
- 238000000034 method Methods 0.000 claims abstract description 36
- 238000005098 hot rolling Methods 0.000 claims abstract description 29
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 26
- 238000005266 casting Methods 0.000 claims abstract description 22
- 238000005269 aluminizing Methods 0.000 claims abstract description 19
- 238000003475 lamination Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 46
- 239000002131 composite material Substances 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 238000005097 cold rolling Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000011120 plywood Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 9
- 238000005272 metallurgy Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000005096 rolling process Methods 0.000 description 11
- 239000002585 base Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 230000004913 activation Effects 0.000 description 8
- 238000007872 degassing Methods 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000005215 recombination Methods 0.000 description 7
- 230000006798 recombination Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000012299 nitrogen atmosphere Substances 0.000 description 6
- 238000007781 pre-processing Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- -1 2 systems Chemical compound 0.000 description 1
- 229910001344 5052 aluminium alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/46—Roll speed or drive motor control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/383—Cladded or coated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
Abstract
The present invention relates to a kind of steel combined with aluminum strip and its production method, belongs to steel combined with aluminum strip technical field.The production method of the steel combined with aluminum strip of the present invention, including by steel plate strip hot-dip aluminizing, casting, complex plate strip blank is obtained, the aluminium lamination of complex plate strip blank and aluminum alloy strip base material are then subjected to secondary method hot rolling, produced.The production method of the steel combined with aluminum strip of the present invention, hot-dip aluminizing, casting first on steel plate strip, being made has certain thickness complex plate strip blank, realize that the hot dip metallurgy between steel plate strip and aluminium coated is compound, the aluminium lamination of steel combined with aluminum strip and aluminum alloy strip base material are subjected to method hot rolling again, well metallurgical compound is realized between the steel layer and aluminium lamination of the steel combined with aluminum strip of gained.
Description
Technical field
The present invention relates to a kind of steel combined with aluminum strip and its production method, belongs to steel combined with aluminum strip technical field.
Background technology
Steel and aluminium are important raw material metals, are widely used in the field such as industrial, civilian；Strip of steel plate has intensity
High, plasticity and good toughness, impact resistance, dependable performance, it is easy to cold and hot working, good magnetic conductivity, welding and rivet performance.Aluminium has
There are good conduction, a heat conductivility, normal temperature is corrosion-resistant, the premium properties such as light.Compared with aluminium, steel resource is relatively abundant, price
It is cheap to be easy to weld.Steel is a kind of using steel as matrix with aluminum composite metal plate, and the bimetallic of outer layer clad aluminum, it is by the height of aluminium
Quality conductive, heat conduction, antirust, the resource of light performance and steel low cost, high chemical stability, magnetic conductivity are complex as a whole new
Type conductor material and ornament materials, aluminium and steel composite metal band, have concentrated steel aluminium each advantage, are widely used in IH heating kitchen
Tool, tobacco, pharmacy, food baking, industrial heat exchanger, architectural decoration, lightweight Automobile Plate, silencer, sponge city
Pipe network etc., it is the developing direction and study hotspot of current metal new material.
At present, steel and the production of aluminum composite metal strip, mainly use solid-solid composite algorithm and liquid-solid composite algorithm.Solid-solid
Composite algorithm is mainly produced by explosion composite method, tube-weld cladding technique, composite ingot Hot rolling, rolling crimping；These producers
There is complex process in method, the high combined strength bination of production cost is low, the shortcomings of unstable product quality.Liquid-solid composite algorithm mainly passes through
Composite casting, continuous casting and rolling method；There is less varieties for this production method, it is impossible to produces the aluminium such as 2 systems, 4 systems, 5 systems, 6 systems, 7 systems
Alloy designations and composite sheet band, steel layer thickness are restricted, and can only produce 5%~30% steel volume content complex plate strip.
The content of the invention
For problems of the prior art, the invention provides a kind of recombination rate and combined strength bination preferably steel aluminium
The production method of complex plate strip.
In order to realize the above object technical scheme is used by the production method of the steel combined with aluminum strip of the present invention：
A kind of production method of steel combined with aluminum strip, including by steel plate strip hot-dip aluminizing, casting, obtain complex plate strip hair
Base, the aluminium lamination of complex plate strip blank and aluminum alloy strip base material are then subjected to method hot rolling, produced.
The production method of the steel combined with aluminum strip of the present invention, hot-dip aluminizing forms aluminium liquid layer, then casting on steel plate strip
The half melt casting to aluminium liquid layer on steel plate strip and steel plate strip is realized, being made has certain thickness complex plate strip blank, realizes
Hot dip metallurgy between steel plate strip and aluminium coated is compound, then the aluminium lamination of steel combined with aluminum strip and aluminum alloy strip base material are carried out into heat
Rolling compound, well metallurgical compound is realized between the steel layer and aluminium lamination of the steel combined with aluminum strip of gained.In addition, the production method is simple
Changed production technology, energy-saving material-saving environmental protection, aluminium alloy and steel alloy suitable for the various trades mark it is compound, combined strength bination is big, can
Up to 90MPa, for recombination rate up to 100%, kind, the specification of the steel combined with aluminum strip of gained are more, have high magnetic conductivity and good depth
Punching performance, and steady quality is reliable, be widely used in electromagnetic induction heating, drying, industrial heat exchange, Automobile Plate, silencer,
The fields such as anti-corrosion, building, remarkable in economical benefits.
The production method of the steel combined with aluminum strip of the present invention, the Steel-aluminium composite board for being 0.1~40mm available for production thickness
Band, steel can account for the 1~99.5% of cumulative volume in obtained steel combined with aluminum strip, elongation percentage >=22% of steel combined with aluminum strip,
Combined strength bination >=14N/mm.
The casting is vertical casting.The vertical casting is using graphite two-roller mill, cooling by water.The casting
Mill speed be 0.2~120m/min.Preferably, the mill speed of the casting is 0.2~15m/min.The vertical casting
Vertical continuous casting and rolling can be used by rolling.
First pass reduction of the method hot rolling is not more than 50%.The temperature of the method hot rolling is 200~520
℃.The mill speed of the method hot rolling is 1~10m/min.
It is further preferred that the first pass reduction of the method hot rolling is 25~50%.The temperature of the method hot rolling
Spend for 320~520 DEG C.The mill speed of the method hot rolling is 3~10m/min.
Preferably, the method hot rolling is anaerobic method hot rolling.By aluminize face and the aluminum alloy strip of complex plate strip blank
Base material carries out anaerobic method hot rolling, can either realize between the steel layer of steel combined with aluminum strip and aluminium lamination it is good metallurgical compound, together
When solve the problems, such as the high-temperature oxydation of steel, aluminium.
By hot-dip aluminizing, aluminium liquid layer is formed on steel plate strip, the interface contacted in aluminium liquid layer with steel plate strip forms fritting
State aluminium lamination.The thickness of the half melt aluminium lamination is 0.002~0.08mm.Preferably, the hot-dip aluminizing is that steel plate strip is immersed into 650
In~820 DEG C of aluminium liquid, aluminium liquid layer is formed on steel plate strip.Preferably, the temperature of the aluminium liquid is 650~720 DEG C.
Casting is carried out within a short period of time after can realizing steel plate strip hot-dip aluminizing by continuous casting and rolling.By by steel plate strip
Continuous casting and rolling is carried out together with the half melt aluminium liquid layer that is formed on steel plate strip, aluminum layer thickness can be increased, is strengthened between steel aluminium
Combined strength bination.Preferably, in hot-dip aluminizing, strip casting process, steel plate is taken out of carries out casting in 1s after aluminium liquid.
The hot-dip aluminizing is carried out in the case where completely cutting off air conditionses.
The time that the steel plate strip is immersed in aluminium liquid is 4~120s.Immerse the time increases with thickness of coating.Further preferably
, the time that the steel plate strip is immersed in aluminium liquid is 4~40s.
The aluminium liquid is silicon aluminum alloy liquid, and the mass fraction of silicon is 5~15%.The silicon aluminum alloy liquid be by
The alloy aluminum that the mass fraction of silicon is 5~15% heats what is obtained.5~15% silicon is added in aluminium liquid, aluminium liquid can be improved
Mobility, while it is easy to hot-dip aluminizing, the combined strength bination of reinforcing material.
Preferably, the aluminium liquid is the siliceous and aluminium alloy liquid of iron；It is 5 to contain mass fraction in the aluminium alloy liquid
~15% silicon and mass fraction is 0.5~3% iron.Iron content is added in aluminium liquid can improve the intensity of material, still
Too high iron content, the combined strength bination of material can be reduced again.
The aluminum layer thickness of the complex plate strip blank is 0.002~3.0mm.
The production method of the steel combined with aluminum strip of the present invention, in addition to complex plate strip blank and aluminum alloy strip base material are existed
Cold rolling is carried out after method hot rolling；The pass reduction of the cold rolling is 3~50%.The mill speed of the cold rolling is 10~60m/
min。
The production method of the steel combined with aluminum strip of the present invention, in addition to made annealing treatment after cold rolling；The annealing
Temperature be 200~460 DEG C, the time is 2~48h.Annealing can increase the heat leak between aluminium and aluminium lamination, and increase is compound
Intensity, and machining stress can be eliminated, improve elongation percentage.
The thickness of the steel plate strip is 0.2~4.0mm.Preferably, the material of steel plate strip is ultra-low-carbon steel, mild steel or not
Become rusty steel.
Before by steel plate strip hot-dip aluminizing, steel plate strip is pre-processed；The pretreatment is clear to steel plate progress soda acid
Wash to heat with hydrogen and reduce.By pre-processing the grease that can remove steel plate belt surface, oxide layer to steel plate strip and carrying out
Activation.
Soda acid cleaning is first alkali cleaning, then pickling.It is molten using the NaOH that mass concentration is 10~20% during alkali cleaning
Liquid.Using the sulfuric acid that mass fraction is 15~30% during pickling.
Preferably, while pickling, also electrolysis, activation is carried out to steel plate strip.The electrolysis, activation be using steel plate strip as
Anode, using cell body as negative electrode, the voltage of loading is 0.3~6V.When steel plate strip continues through in the electrolytic solution part surface iron with
Ion enters solution, can further remove aging iron surface metal level.
The temperature of the hydrogen reducing is 550~850 DEG C, and the time is 30~60min.Used gas during hydrogen reducing
The volume fraction of hydrogen is 75% in atmosphere, and surplus is nitrogen.
Before steel plate strip hot-dip aluminizing, first aluminium liquid degasification to be removed the gred.The temperature of degasification slagging-off is 720~820 DEG C.
The aluminum alloy strip base material is the aluminium alloy of any trade mark.Preferably, the aluminum alloy strip base material be 1,3,
4th, 5,6,7,8 line aluminium alloy.Before carrying out method hot rolling with aluminum alloy strip base material in face that complex plate strip blank is aluminized, aluminium is closed
Golden plate carries out a face feather plucking of method hot rolling with base material.
The thickness of the aluminum alloy strip base material is 0.1~60mm.
Technical scheme is used by the steel combined with aluminum strip of the present invention：A kind of production using above-mentioned steel combined with aluminum strip
Steel combined with aluminum strip obtained by method.The thickness of steel combined with aluminum strip is 1~50mm, and width is 200~1500mm.
It is good metallurgical compound, recombination rate 100% between the steel layer and aluminium lamination of the steel combined with aluminum strip of the present invention, it is multiple
Intensity >=14N/mm is closed, elongation percentage >=22%, deep drawability is good, remains the high magnetic conductivity of mild steel, and steady quality is reliable, warp
Ji remarkable benefit.
Embodiment
Technical scheme is further described below in conjunction with embodiment.
Online soda acid cleaning in each embodiment is to use steel plate strip online mass fraction molten for 15~30% NaOH
Liquid caustic soda is washed, then use mass fraction for 15~25% sulfuric acid washing；The volume fraction of hydrogen is 75% in high nitrogen atmosphere, remaining
Measure as nitrogen.
Embodiment 1, embodiment 3~5, will also be using steel plate strips as anode while pickling, and cell body is negative electrode, loads 6V's
Voltage, electrolysis, activation is carried out to steel plate strip.
Embodiment 1
The production method of the steel combined with aluminum strip of the present embodiment, comprises the following steps：
1) aluminium alloy for containing Si 10% (mass percent) is heated to 820 DEG C of degasification slagging-off, is then cooled to 710 DEG C,
Obtain aluminium liquid；
The online soda acid of SPCE steel plate strips that thickness is 0.6mm is cleaned, electrolysis, activation, be then heated in high nitrogen atmosphere
750 DEG C of reduction 30min, obtain pre-processing steel plate；
2) 5s carries out hot-dip aluminizing in the aluminium liquid that will pre-process 710 DEG C of steel plate immersion, empty in isolation at aluminium liquid liquid level going out
Graphite two-roller mill is used to carry out vertical rolling casting bonding with 60m/min speed under conditions of gas, aluminium is made in air-cooled winding, shearing
Thickness degree is 0.1mm, and gross thickness is 0.7mm complex plate strip blank；
3) 3003 thick aluminium strips of 4mm are placed respectively in the both sides of complex plate strip blank, are then heated under nitrogen protection
420 DEG C and method hot rolling is carried out with 5m/min mill speed, control the first pass reduction as 25%, obtained gross thickness is
2.7mm, the steel combined with aluminum strip that width is 600mm.
The production method using above-mentioned aluminum composite panel belt of the aluminum composite panel belt of the present embodiment is made.Aluminum composite panel belt is answered
Conjunction rate is 100%, elongation percentage 25%, and the bond strength of steel layer and aluminium lamination is 75MPa, tensile strength 90MPa.
Embodiment 2
The production method of the steel combined with aluminum strip of the present embodiment, comprises the following steps：
1) aluminium alloy for containing Si 15% (mass percent) is heated to 820 DEG C of degasification slagging-off, is then cooled to 670 DEG C,
Obtain aluminium liquid；
By the online soda acid cleaning of DC06 steel bands that thickness is 3mm, 660 DEG C of reduction are then heated in high nitrogen atmosphere
40min, obtain pre-processing steel plate；
2) pretreatment steel plate is completely cut off into air, immerses 40s in 670 DEG C of aluminium liquid and carry out hot-dip aluminizing, go out the same of liquid aluminum
When use graphite two-roller mill to carry out vertical rolling casting bonding with 15m/min speed under conditions of air is completely cut off, cooling winding,
It is 0.084mm that aluminum layer thickness, which is made, in shearing, and gross thickness is 3.08mm complex plate strip blank；
3) by a face feather plucking of thick 5052 aluminium strips of 5mm, then the aluminium lamination of hair side towards complex plate strip blank is protected in nitrogen
350 DEG C are heated under shield and anaerobic method hot rolling is carried out with 4m/min mill speed, controls first of anaerobic method hot rolling
Secondary working modulus is 40% and then using 10m/min mill speed and controls pass reduction as 5% carry out cold rolling, and total thickness is made
Spend the steel combined with aluminum strip for being 1000mm for 5.0mm, width.
The production method using above-mentioned steel combined with aluminum strip of the steel combined with aluminum strip of the present embodiment is made.Steel-aluminium composite board
The recombination rate of band is 100%, elongation percentage 31%, and the bond strength of steel layer and aluminium lamination is 80MPa, tensile strength 100MPa.
Embodiment 3
The production method of the steel combined with aluminum strip of the present embodiment, including lower step：
1) Si 10% will be contained, Fe 0.5% (mass percent) aluminium alloy is heated to 720 DEG C of degasification slagging-off, then drop
Temperature obtains aluminium liquid to 695 DEG C；
The online soda acid of SPCE steel bands that thickness is 1.0mm is cleaned, electrolysis, activation, be then heated in high nitrogen atmosphere
690 DEG C of reduction 40min, obtain pre-processing steel plate；
2) 10s carries out hot-dip aluminizing in the aluminium liquid that will pre-process 695 DEG C of steel plate immersion, is used under conditions of air is completely cut off
Graphite two-roller mill carries out vertical rolling casting bonding with 5m/min speed, and it is 1.1mm that aluminum layer thickness, which is made, in cooling winding, shearing,
Gross thickness is 2.1mm complex plate strip blank；
3) clad steel plate is heated to 340 DEG C and with 3m/min under nitrogen protection with 1060 thick aluminium strips of blank and 3mm
Mill speed carry out method hot rolling (during method hot rolling, the aluminium lamination of complex plate strip blank towards 1060 aluminium strips), control hot rolling is answered
The first pass reduction closed is 50% and then using 30m/min mill speed and controls pass reduction cold as 10% carry out
Roll, then annealed at 200 DEG C, annealing time 24h, the steel combined with aluminum that obtained gross thickness is 2.7mm, width is 800mm
Strip.
The production method using above-mentioned steel combined with aluminum strip of the steel combined with aluminum strip of the present embodiment is made.Steel-aluminium composite board
The recombination rate of band is 100%, and elongation percentage 39%, the intensity of the combination of steel layer and aluminium lamination is 60MPa, tensile strength 80MPa.
Embodiment 4
The production method of the steel combined with aluminum strip of the present embodiment, including lower step：
1) Si 5% will be contained, Fe 3.0% (being mass percent) aluminium alloy is heated to 750 DEG C of degasification slagging-off, cooling
To 650 DEG C, aluminium liquid is obtained；
The online soda acid of SPCE steel bands that thickness is 0.1mm is cleaned, electrolysis, activation, be then heated in high nitrogen atmosphere
550 DEG C of reduction 60min, obtain pre-processing steel plate；
2) 80s carries out hot-dip aluminizing in the aluminium liquid that will pre-process 650 DEG C of steel plate immersion, without cold after aluminium liquid liquid level is gone out
But and in 1s graphite two-roller mill is used to carry out vertical rolling casting bonding with 0.2m/min speed under conditions of air is completely cut off,
It is 0.25mm that aluminum layer thickness, which is made, in cooling winding, shearing, and gross thickness is the complex plate strip blank that 0.6mm two sides is aluminized；
3) 3003 thick aluminium strips of complex plate strip blank and 1.5mm are heated to 320 DEG C and with 4m/min under nitrogen protection
Mill speed carry out anaerobic method hot rolling, control the first pass reduction 40% and then to be annealed at 300 DEG C, annealing
Time is 48h, the steel combined with aluminum strip that obtained gross thickness is 1.1mm, width is 800mm.
The production method using above-mentioned steel combined with aluminum strip of the steel combined with aluminum strip of the present embodiment is made.Steel-aluminium composite board
The recombination rate of band is 100%, elongation percentage 28%, and the bond strength of steel layer and aluminium lamination is 65MPa, tensile strength 100MPa.
Embodiment 5
The production method of the steel combined with aluminum strip of the present embodiment, comprises the following steps：
1) Si 6% will be contained, Fe 3.0% (being mass percent) aluminium alloy is heated to 820 DEG C of degasification slagging-off, obtain
Aluminium liquid；
The online soda acid of the strip of stainless steel 439 that thickness is 3.0mm is cleaned, electrolysis, activation, then added in high nitrogen atmosphere
Heat obtains pre-processing steel plate to 850 DEG C of reduction 50min；
2) steel plate will be pre-processed immerse 120s in 820 DEG C of aluminium liquid and carry out hot-dip aluminizing, after aluminium liquid liquid level is gone out without
Cool down and use graphite two-roller mill to carry out vertical casting with 120m/min speed under conditions of air is completely cut off in 1s and answer
Close, it is 1.05mm that aluminum layer thickness, which is made, in cooling winding, shearing, and gross thickness is the complex plate strip blank that 5.1mm two sides is aluminized；
3) 6063 thick aluminium strips of complex plate strip blank and 40mm are heated to 520 DEG C and with 3m/min's under nitrogen protection
Mill speed carries out anaerobic method hot rolling, and the first pass reduction for controlling anaerobic method hot rolling is 37%, then with 20m/min
Mill speed and control pass reduction for 50% carry out cold rolling, then annealed at 460 DEG C, annealing time 2h, system
Obtain the steel combined with aluminum strip that gross thickness is 25.0mm, width is 1100mm.
The production method using above-mentioned steel combined with aluminum strip of the steel combined with aluminum strip of the present embodiment is made.Steel-aluminium composite board
The recombination rate of band is 100%, and elongation percentage 25%, the intensity of the combination of steel layer and aluminium lamination is 90MPa, tensile strength 90MPa.
Claims (10)
- A kind of 1. production method of steel combined with aluminum strip, it is characterised in that：Including by steel plate strip hot-dip aluminizing, casting, being answered Plywood band blank, then carries out method hot rolling by the aluminium lamination of complex plate strip blank and aluminum alloy strip base material, produces.
- 2. the production method of steel combined with aluminum strip according to claim 1, it is characterised in that：The mill speed of the casting For 0.2~120m/min.
- 3. the production method of steel combined with aluminum strip according to claim 1, it is characterised in that：The first of the method hot rolling Pass reduction is not more than 50%.
- 4. the production method of steel combined with aluminum strip according to claim 1, it is characterised in that：The temperature of the method hot rolling For 200~520 DEG C.
- 5. the production method of steel combined with aluminum strip according to claim 1, it is characterised in that：The hot-dip aluminizing is by steel Strip is immersed in 650~820 DEG C of aluminium liquid, and aluminium liquid layer is formed on steel plate strip.
- 6. the production method of steel combined with aluminum strip according to claim 5, it is characterised in that：The steel plate strip immerses aluminium liquid In time be 4~120s.
- 7. the production method of steel combined with aluminum strip according to claim 5, it is characterised in that：The aluminium liquid is siliceous and iron Aluminium alloy liquid；The silicon and mass fraction for being 5~15% containing mass fraction in the aluminium alloy liquid are 0.5~3% Iron.
- 8. the production method of steel combined with aluminum strip according to claim 1, it is characterised in that：Also include complex plate strip hair Base carries out cold rolling with aluminum alloy strip base material after method hot rolling；The pass reduction of the cold rolling is 3~50%.
- 9. the production method of steel combined with aluminum strip according to claim 8, it is characterised in that：Moved back after also including cold rolling Fire processing；The temperature of the annealing is 200~460 DEG C, and the time is 2~48h.
- A kind of 10. steel obtained by production method using the steel combined with aluminum strip as described in any one in claim 1~9 Aluminum composite panel belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065792.0A CN107716549A (en) | 2017-11-02 | 2017-11-02 | A kind of steel combined with aluminum strip and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065792.0A CN107716549A (en) | 2017-11-02 | 2017-11-02 | A kind of steel combined with aluminum strip and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107716549A true CN107716549A (en) | 2018-02-23 |
Family
ID=61221374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711065792.0A Pending CN107716549A (en) | 2017-11-02 | 2017-11-02 | A kind of steel combined with aluminum strip and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107716549A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749210A (en) * | 2018-04-23 | 2018-11-06 | 深圳万佳互动科技有限公司 | A kind of magnesium alloy composite board |
| CN109127763A (en) * | 2018-07-23 | 2019-01-04 | 无锡银荣板业有限公司 | A kind of production method of aluminium/three layers of hot composite material of aluminium/stainless steel |
| CN112848556A (en) * | 2020-11-02 | 2021-05-28 | 佛山市南海煌钢金属制品有限公司 | Steel-aluminum composite plate material combining high strength of steel and light metal characteristics of aluminum |
| CN114643281A (en) * | 2020-12-17 | 2022-06-21 | 江苏中色复合材料有限公司 | Production method of steel-aluminum composite plate strip |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61147905A (en) * | 1984-12-20 | 1986-07-05 | Nisshin Steel Co Ltd | Method for improving outer skin of steel sheet coated with molten aluminum |
| CN101797583A (en) * | 2010-01-25 | 2010-08-11 | 洛阳铜一金属材料发展有限公司 | Preparation method for aluminum-stainless steel clad metal plate and strip |
| CN102734625A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Steel-aluminum composite board and preparation method thereof |
| CN106670235A (en) * | 2016-12-30 | 2017-05-17 | 洛阳铜鑫复合材料科技有限公司 | Production method for copper-aluminum composite board strip and copper-aluminum composite board strip |
-
2017
- 2017-11-02 CN CN201711065792.0A patent/CN107716549A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61147905A (en) * | 1984-12-20 | 1986-07-05 | Nisshin Steel Co Ltd | Method for improving outer skin of steel sheet coated with molten aluminum |
| CN101797583A (en) * | 2010-01-25 | 2010-08-11 | 洛阳铜一金属材料发展有限公司 | Preparation method for aluminum-stainless steel clad metal plate and strip |
| CN102734625A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Steel-aluminum composite board and preparation method thereof |
| CN106670235A (en) * | 2016-12-30 | 2017-05-17 | 洛阳铜鑫复合材料科技有限公司 | Production method for copper-aluminum composite board strip and copper-aluminum composite board strip |
Non-Patent Citations (1)
| Title |
|---|
| 潘邻: "《化学热处理应用技术》", 30 September 2004, 机械工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749210A (en) * | 2018-04-23 | 2018-11-06 | 深圳万佳互动科技有限公司 | A kind of magnesium alloy composite board |
| CN109127763A (en) * | 2018-07-23 | 2019-01-04 | 无锡银荣板业有限公司 | A kind of production method of aluminium/three layers of hot composite material of aluminium/stainless steel |
| CN109127763B (en) * | 2018-07-23 | 2020-10-20 | 无锡银荣板业有限公司 | Production method of aluminum/stainless steel three-layer thermal composite material |
| CN112848556A (en) * | 2020-11-02 | 2021-05-28 | 佛山市南海煌钢金属制品有限公司 | Steel-aluminum composite plate material combining high strength of steel and light metal characteristics of aluminum |
| CN114643281A (en) * | 2020-12-17 | 2022-06-21 | 江苏中色复合材料有限公司 | Production method of steel-aluminum composite plate strip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106670235B (en) | Production method of copper-aluminum composite plate strip and copper-aluminum composite plate strip | |
| CN107716549A (en) | A kind of steel combined with aluminum strip and its production method | |
| WO2020113844A1 (en) | Method and device for preparing corrosion-resistant hot stamping part | |
| US10406780B2 (en) | Hot-dip galvannealed steel sheet for hot stamping and method for manufacturing steel part | |
| CN103221581B (en) | The manufacture method of the hot press parts of hot pressing steel plate and use hot pressing steel plate | |
| US10030284B2 (en) | Method for producing a steel component provided with a metallic coating providing protection against corosion | |
| KR102337241B1 (en) | Method for producing hot-plated product by hot rolling, direct cold rolling without pickling, and reduction annealing | |
| CN110777319B (en) | Plating solution for highly corrosion-resistant highly formable hot-formed steel, hot-formed steel sheet, hot-dip plating production process, hot-stamped part, and application | |
| CN101702333B (en) | Compound copper conductor with decoration and antiseptic effect and manufacturing method thereof | |
| CN101590495B (en) | Method for preparing particle reinforced aluminum-matrix steel-backed composite board | |
| KR101304850B1 (en) | Metal-coating steel sheet, galvanized steel sheet and method for manufacturing the same | |
| US2134457A (en) | Metal treatment | |
| WO2015180462A1 (en) | Method for directly producing pickling-free hot-plated sheet strip product from molten steel | |
| CN105143523A (en) | Method for treating in continuous the surface of a laminate made of stainless steel in a solution based on sulfuric acid | |
| CN114525390A (en) | Production method of copper-tin alloy strip | |
| CN107312924B (en) | A kind of stainless steel band continuous annealing acid washing method | |
| CN105215053B (en) | The production method of pickling electroplated product is exempted from hot rolling | |
| CN110157973B (en) | High-strength corrosion-resistant stainless steel plate for automobile and preparation method thereof | |
| CN111549307A (en) | Production process of hot-dip aluminum-plated silicon steel plate | |
| CN104313533A (en) | Ultrasonic frequency induction heating technology based quick hot-dipping aluminizing technology | |
| CN104726754A (en) | Preparation method of high-strength aluminum alloy material for doors/windows | |
| CN108866467A (en) | A kind of minimizing technology of continuous zinc/aluminium/aluminium zinc coating production line zinc aluminum pot bottom ash | |
| CN114086218B (en) | Energy-saving high-strength corrosion-resistant cathode aluminum alloy plate for zinc electrodeposition | |
| JPS62294200A (en) | Method for electrolytically pickling cold rolled and annealed stainless steel strip | |
| Sullivan | Glass‐Metal Reactions and Physical Properties of Enamels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
|
| RJ01 | Rejection of invention patent application after publication |