CN109332382A - A kind of titanium steel composite slab and preparation method thereof - Google Patents
A kind of titanium steel composite slab and preparation method thereof Download PDFInfo
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- CN109332382A CN109332382A CN201811327618.3A CN201811327618A CN109332382A CN 109332382 A CN109332382 A CN 109332382A CN 201811327618 A CN201811327618 A CN 201811327618A CN 109332382 A CN109332382 A CN 109332382A
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- steel
- carbon steel
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- 239000002131 composite material Substances 0.000 title claims abstract description 105
- 229910001200 Ferrotitanium Inorganic materials 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000010936 titanium Substances 0.000 claims abstract description 69
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 69
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 52
- 239000010962 carbon steel Substances 0.000 claims abstract description 52
- 239000010935 stainless steel Substances 0.000 claims abstract description 41
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 41
- 238000005096 rolling process Methods 0.000 claims description 49
- 238000010438 heat treatment Methods 0.000 claims description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 239000011651 chromium Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 7
- 238000003723 Smelting Methods 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 238000010257 thawing Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 229910000746 Structural steel Inorganic materials 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000010970 precious metal Substances 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000002788 crimping Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- 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
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/06—Product speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to composite plate preparation technical fields, especially a kind of titanium steel composite slab, including high-intensitive structural carbon steel base, the high intensity structural carbon steel base upper surface is compounded with titanium strip composite layer, and the high intensity structural carbon steel base lower surface is compounded with stainless steel sheet strip composite layer.The present invention also provides a kind of preparation methods of titanium steel composite slab.The present invention titanium high using anti-corrosion ability in main corrosion-protected surface, whole items mechanical performance are also almost consistent with titanium.Secondary corrosion resistant surfaces use stainless steel, can also obtain Corrosion Protection more higher than carbon steel.Both precious metal resource had been saved, use cost is also considerably reduced.
Description
Technical field
The present invention relates to composite plate preparation technical fields more particularly to a kind of titanium steel composite slab and preparation method thereof.
Background technique
The manufacturing method of clad steel plate has: filling metal steel ingot rolling, explosion composite method, rolling crimping, welding method
Deng.In view of the characteristic of titanium, industrially frequently with explosion composite method or rolling crimping, and actual producer rule includes:
1, explosion composite method rolls crimping, and including heavy plate rolling method and continuously hot rolling method.Explosion composite method is usually at normal temperature
It carries out, rolling crimping is by board group dress, heating rolling.In titanium steel composite board production, common quality problems are: compound
Board defect and welding defect.Wherein the former mainly in conjunction with rate not enough, titanium layer and steel layer local surfaces crackle etc.: the latter mainly has
Stomata, crackle, lack of penetration, slag inclusion.For this purpose, we have proposed a kind of titanium steel composite slabs and preparation method thereof.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and a kind of titanium steel composite slab that proposes and
Preparation method.
To achieve the goals above, present invention employs following technical solutions:
A kind of titanium steel composite slab, including high-intensitive structural carbon steel base are designed, in the high intensity structural carbon steel base
Surface recombination has titanium strip composite layer, and it is compound that the high intensity structural carbon steel base lower surface is compounded with stainless steel sheet strip
Layer.
Preferably, the high-intensitive structural carbon steel base is specially carbon constructional quality steel substrate band or low-alloy high-strength
Structural steel is spent, with a thickness of 0.4-5.0mm.
Preferably, the titanium strip composite layer with a thickness of 0.10-0.50mm, and specific material is titanium strip.
Preferably, the stainless steel sheet strip composite layer with a thickness of 0.10-0.50mm, and specific material is stainless steel plate
Band.
The present invention also provides a kind of preparation methods of titanium steel composite slab, the specific steps are as follows:
S1, high-intensitive structural carbon steel and stainless steel sheet strip are chosen, and places it in different heating furnaces and carries out at heating
Reason, and the temperature in heating furnace is increased to 450-600 degrees Celsius with the rate of 25 degrees Celsius/s, and heats 3- under this condition
6min, and during heating, carbon is uniformly sprayed to its surface every 1min, it is after the completion, spare；
S2, titanium strip is chosen again, and place it in heating furnace and heated, and the temperature in heating furnace is taken the photograph with 15
Family name's degree/s rate is increased to 300-450 degrees Celsius, and is heated to softening by titanium strip under this condition, then spare；
S3, again choose cross-shear rolling composite rolling mill, and by S1 heat after high-intensitive structural carbon steel and stainless steel plate
Band is placed in one, and high-intensitive structural carbon steel is located at the surface of stainless steel sheet strip, the titanium that then will be handled in S2 again
Strip is placed in the surface of high-intensitive structural carbon steel, after the completion of placement, rolls to it, and mill speed is 1~20m/
Min also needs to guarantee that the upper working rolls and lower working rolls linear velocity of cross-shear rolling composite rolling mill is asynchronous than being 1:1.05-1.8, in the operation of rolling
In, it need to be repeated at least 3 times, so as to obtain three-layer composite board band；
S4, three-layer composite board band will be obtained in S3 be placed in vacuum drying oven, then will its it is internal extract as vacuum state, and to its
Middle nitrogen charging gas shielded three-layer composite board band, is then heat-treated it under conditions of 600-750 degrees Celsius again, and heat
The processing time is that 30-45min is placed it in cross-shear rolling composite rolling mill, and after being heat-treated after the completion in above-mentioned condition again
Under rolled again；
S5, after the completion, is drawn off, is placed under natural conditions and is cooled down, and according to actual needs, carries out trimming shaping to finished product
And the surface treatment and protection of different purposes are to get arriving titanium steel composite slab.
Preferably, chromium, manganese element, copper, ferro element and element silicon, and titanium are also contained in the titanium strip
Element, chromium, manganese element, copper, ferro element and element silicon molal weight ratio be 10:1:0.5:0.05:0.05:
0.05。
Preferably, when preparing titanium strip, titanium elements need to be initially positioned in smelting furnace, and after melting, then successively add
Add other auxiliary elements, until being thoroughly mixed thawing.
A kind of titanium steel composite slab proposed by the present invention and preparation method thereof, beneficial effect is: the titanium steel composite slab
It can be compound as Strip, so as to maximize favourable factors and minimize unfavourable ones, advantage by titanium and high-intensitive carbon structural steel and stainless steel
It is complementary.The composite plate titanium can be used for when being used for high corrosion resistance protection, stainless steel general anticorrosive anti-
It protects, high intensity carbon structural rigidity possessed by monolithic composite panel can be close with Titanium board.Cost of raw and processed materials is being greatly lowered
While, and targetedly improve Corrosion Protection and strength character.This two novel outer surfaces have different anti-corrosions
Corrosion can high-strength structure complex plate strip functional material will significantly enter chemical machinery, shipping industry, ocean engineering,
The consumer fields such as the more extensive field of industrial production such as industrial gas oil and food, Medical Devices.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of titanium steel composite slab proposed by the present invention.
In figure: 1 titanium strip composite layer, 2 high-intensitive structural carbon steel bases, 3 stainless steel sheet strip composite layers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1
Referring to Fig.1, a kind of titanium steel composite slab, including high-intensitive structural carbon steel base 2, the high intensity structural carbon steel base
2 upper surface of layer are compounded with titanium strip composite layer 1, and 2 lower surface of high intensity structural carbon steel base is compounded with stainless steel plate
Band composite layer 3, the high intensity structural carbon steel base 2 is specially carbon constructional quality steel substrate band or low-alloy high-strength knot
Structure steel, with a thickness of 0.4-5.0mm, the stainless steel sheet strip composite layer 3 with a thickness of 0.10-0.50mm, and specific material is
Stainless steel sheet strip.
The titanium strip composite layer 1 with a thickness of 0.10-0.50mm, and specific material is titanium strip, the titanium
Also contain chromium, manganese element, copper, ferro element and element silicon, and titanium elements, chromium, manganese element, copper coin in strip
The molal weight ratio of element, ferro element and element silicon is 10:1:0.5:0.05:0.05:0.05, when preparing titanium strip, is needed
Titanium elements are initially positioned in smelting furnace, and after melting, then successively add other auxiliary elements, until being thoroughly mixed thawing.
The present invention also provides a kind of preparation methods of titanium steel composite slab, the specific steps are as follows:
S1, high-intensitive structural carbon steel and stainless steel sheet strip are chosen, and places it in different heating furnaces and carries out at heating
Reason, and the temperature in heating furnace is increased to 450 degrees Celsius with the rate of 25 degrees Celsius/s, and heats 3min under this condition, and
During heating, carbon is uniformly sprayed to its surface every 1min, it is after the completion, spare；
S2, titanium strip is chosen again, and place it in heating furnace and heated, and the temperature in heating furnace is taken the photograph with 15
Family name's degree/s rate is increased to 300 degrees Celsius, and is heated to softening by titanium strip under this condition, then spare；
S3, again choose cross-shear rolling composite rolling mill, and by S1 heat after high-intensitive structural carbon steel and stainless steel plate
Band is placed in one, and high-intensitive structural carbon steel is located at the surface of stainless steel sheet strip, the titanium that then will be handled in S2 again
Strip is placed in the surface of high-intensitive structural carbon steel, after the completion of placement, rolls to it, and mill speed is 1~20m/
Min also needs to guarantee that the upper working rolls and lower working rolls linear velocity of cross-shear rolling composite rolling mill is asynchronous than being 1:1.05-1.8, in the operation of rolling
In, it need to be repeated at least 3 times, so as to obtain three-layer composite board band；
S4, three-layer composite board band will be obtained in S3 be placed in vacuum drying oven, then will its it is internal extract as vacuum state, and to its
Middle nitrogen charging gas shielded three-layer composite board band, is then heat-treated it under conditions of 600 degrees Celsius again, and is heat-treated
Time is 30min, after being heat-treated after the completion, is placed it in cross-shear rolling composite rolling mill again, and under the above conditions again
It is rolled；
S5, after the completion, is drawn off, is placed under natural conditions and is cooled down, and according to actual needs, carries out trimming shaping to finished product
And the surface treatment and protection of different purposes are to get arriving titanium steel composite slab.
Embodiment 2
Referring to Fig.1, a kind of titanium steel composite slab, including high-intensitive structural carbon steel base 2, the high intensity structural carbon steel base
2 upper surface of layer are compounded with titanium strip composite layer 1, and 2 lower surface of high intensity structural carbon steel base is compounded with stainless steel plate
Band composite layer 3, the high intensity structural carbon steel base 2 is specially carbon constructional quality steel substrate band or low-alloy high-strength knot
Structure steel, with a thickness of 0.4-5.0mm, the stainless steel sheet strip composite layer 3 with a thickness of 0.10-0.50mm, and specific material is
Stainless steel sheet strip.
The titanium strip composite layer 1 with a thickness of 0.10-0.50mm, and specific material is titanium strip, the titanium
Also contain chromium, manganese element, copper, ferro element and element silicon, and titanium elements, chromium, manganese element, copper coin in strip
The molal weight ratio of element, ferro element and element silicon is 10:1:0.5:0.05:0.05:0.05, when preparing titanium strip, is needed
Titanium elements are initially positioned in smelting furnace, and after melting, then successively add other auxiliary elements, until being thoroughly mixed thawing.
The present invention also provides a kind of preparation methods of titanium steel composite slab, the specific steps are as follows:
S1, high-intensitive structural carbon steel and stainless steel sheet strip are chosen, and places it in different heating furnaces and carries out at heating
Reason, and the temperature in heating furnace is increased to 500 degrees Celsius with the rate of 25 degrees Celsius/s, and heats 4min under this condition, and
During heating, carbon is uniformly sprayed to its surface every 1min, it is after the completion, spare；
S2, titanium strip is chosen again, and place it in heating furnace and heated, and the temperature in heating furnace is taken the photograph with 15
Family name's degree/s rate is increased to 350 degrees Celsius, and is heated to softening by titanium strip under this condition, then spare；
S3, again choose cross-shear rolling composite rolling mill, and by S1 heat after high-intensitive structural carbon steel and stainless steel plate
Band is placed in one, and high-intensitive structural carbon steel is located at the surface of stainless steel sheet strip, the titanium that then will be handled in S2 again
Strip is placed in the surface of high-intensitive structural carbon steel, after the completion of placement, rolls to it, and mill speed is 1~20m/
Min also needs to guarantee that the upper working rolls and lower working rolls linear velocity of cross-shear rolling composite rolling mill is asynchronous than being 1:1.05-1.8, in the operation of rolling
In, it need to be repeated at least 3 times, so as to obtain three-layer composite board band；
S4, three-layer composite board band will be obtained in S3 be placed in vacuum drying oven, then will its it is internal extract as vacuum state, and to its
Middle nitrogen charging gas shielded three-layer composite board band, is then heat-treated it under conditions of 650 degrees Celsius again, and is heat-treated
Time is 35min, after being heat-treated after the completion, is placed it in cross-shear rolling composite rolling mill again, and under the above conditions again
It is rolled；
S5, after the completion, is drawn off, is placed under natural conditions and is cooled down, and according to actual needs, carries out trimming shaping to finished product
And the surface treatment and protection of different purposes are to get arriving titanium steel composite slab.
Embodiment 3
Referring to Fig.1, a kind of titanium steel composite slab, including high-intensitive structural carbon steel base 2, the high intensity structural carbon steel base
2 upper surface of layer are compounded with titanium strip composite layer 1, and 2 lower surface of high intensity structural carbon steel base is compounded with stainless steel plate
Band composite layer 3, the high intensity structural carbon steel base 2 is specially carbon constructional quality steel substrate band or low-alloy high-strength knot
Structure steel, with a thickness of 0.4-5.0mm, the stainless steel sheet strip composite layer 3 with a thickness of 0.10-0.50mm, and specific material is
Stainless steel sheet strip.
The titanium strip composite layer 1 with a thickness of 0.10-0.50mm, and specific material is titanium strip, the titanium
Also contain chromium, manganese element, copper, ferro element and element silicon, and titanium elements, chromium, manganese element, copper coin in strip
The molal weight ratio of element, ferro element and element silicon is 10:1:0.5:0.05:0.05:0.05, when preparing titanium strip, is needed
Titanium elements are initially positioned in smelting furnace, and after melting, then successively add other auxiliary elements, until being thoroughly mixed thawing.
The present invention also provides a kind of preparation methods of titanium steel composite slab, the specific steps are as follows:
S1, high-intensitive structural carbon steel and stainless steel sheet strip are chosen, and places it in different heating furnaces and carries out at heating
Reason, and the temperature in heating furnace is increased to 550 degrees Celsius with the rate of 25 degrees Celsius/s, and heats 5min under this condition, and
During heating, carbon is uniformly sprayed to its surface every 1min, it is after the completion, spare；
S2, titanium strip is chosen again, and place it in heating furnace and heated, and the temperature in heating furnace is taken the photograph with 15
Family name's degree/s rate is increased to 400 degrees Celsius, and is heated to softening by titanium strip under this condition, then spare；
S3, again choose cross-shear rolling composite rolling mill, and by S1 heat after high-intensitive structural carbon steel and stainless steel plate
Band is placed in one, and high-intensitive structural carbon steel is located at the surface of stainless steel sheet strip, the titanium that then will be handled in S2 again
Strip is placed in the surface of high-intensitive structural carbon steel, after the completion of placement, rolls to it, and mill speed is 1~20m/
Min also needs to guarantee that the upper working rolls and lower working rolls linear velocity of cross-shear rolling composite rolling mill is asynchronous than being 1:1.05-1.8, in the operation of rolling
In, it need to be repeated at least 3 times, so as to obtain three-layer composite board band；
S4, three-layer composite board band will be obtained in S3 be placed in vacuum drying oven, then will its it is internal extract as vacuum state, and to its
Middle nitrogen charging gas shielded three-layer composite board band, is then heat-treated it under conditions of 700 degrees Celsius again, and is heat-treated
Time is 40min, after being heat-treated after the completion, is placed it in cross-shear rolling composite rolling mill again, and under the above conditions again
It is rolled；
S5, after the completion, is drawn off, is placed under natural conditions and is cooled down, and according to actual needs, carries out trimming shaping to finished product
And the surface treatment and protection of different purposes are to get arriving titanium steel composite slab.
Embodiment 4
Referring to Fig.1, a kind of titanium steel composite slab, including high-intensitive structural carbon steel base 2, the high intensity structural carbon steel base
2 upper surface of layer are compounded with titanium strip composite layer 1, and 2 lower surface of high intensity structural carbon steel base is compounded with stainless steel plate
Band composite layer 3, the high intensity structural carbon steel base 2 is specially carbon constructional quality steel substrate band or low-alloy high-strength knot
Structure steel, with a thickness of 0.4-5.0mm, the stainless steel sheet strip composite layer 3 with a thickness of 0.10-0.50mm, and specific material is
Stainless steel sheet strip.
The titanium strip composite layer 1 with a thickness of 0.10-0.50mm, and specific material is titanium strip, the titanium
Also contain chromium, manganese element, copper, ferro element and element silicon, and titanium elements, chromium, manganese element, copper coin in strip
The molal weight ratio of element, ferro element and element silicon is 10:1:0.5:0.05:0.05:0.05, when preparing titanium strip, is needed
Titanium elements are initially positioned in smelting furnace, and after melting, then successively add other auxiliary elements, until being thoroughly mixed thawing.
The present invention also provides a kind of preparation methods of titanium steel composite slab, the specific steps are as follows:
S1, high-intensitive structural carbon steel and stainless steel sheet strip are chosen, and places it in different heating furnaces and carries out at heating
Reason, and the temperature in heating furnace is increased to 600 degrees Celsius with the rate of 25 degrees Celsius/s, and heats 6min under this condition, and
During heating, carbon is uniformly sprayed to its surface every 1min, it is after the completion, spare；
S2, titanium strip is chosen again, and place it in heating furnace and heated, and the temperature in heating furnace is taken the photograph with 15
Family name's degree/s rate is increased to 450 degrees Celsius, and is heated to softening by titanium strip under this condition, then spare；
S3, again choose cross-shear rolling composite rolling mill, and by S1 heat after high-intensitive structural carbon steel and stainless steel plate
Band is placed in one, and high-intensitive structural carbon steel is located at the surface of stainless steel sheet strip, the titanium that then will be handled in S2 again
Strip is placed in the surface of high-intensitive structural carbon steel, after the completion of placement, rolls to it, and mill speed is 1~20m/
Min also needs to guarantee that the upper working rolls and lower working rolls linear velocity of cross-shear rolling composite rolling mill is asynchronous than being 1:1.05-1.8, in the operation of rolling
In, it need to be repeated at least 3 times, so as to obtain three-layer composite board band；
S4, three-layer composite board band will be obtained in S3 be placed in vacuum drying oven, then will its it is internal extract as vacuum state, and to its
Middle nitrogen charging gas shielded three-layer composite board band, is then heat-treated it under conditions of 750 degrees Celsius again, and is heat-treated
Time 45min, after the completion be heat-treated after, placed it in cross-shear rolling composite rolling mill again, and under the above conditions again into
Row rolling；
S5, after the completion, is drawn off, is placed under natural conditions and is cooled down, and according to actual needs, carries out trimming shaping to finished product
And the surface treatment and protection of different purposes are to get arriving titanium steel composite slab.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of titanium steel composite slab, which is characterized in that including high-intensitive structural carbon steel base (2), the high intensity carbon
Structural steel base (2) upper surface is compounded with titanium strip composite layer (1), described high intensity structural carbon steel base (2) lower surface
It is compounded with stainless steel sheet strip composite layer (3).
2. a kind of titanium steel composite slab according to claim 1, which is characterized in that the high intensity structural carbon steel base
It (2) is specially carbon constructional quality steel substrate band or low-alloy high-tensile structural steel, with a thickness of 0.4-5.0mm.
3. a kind of titanium steel composite slab according to claim 1, which is characterized in that the titanium strip composite layer (1)
With a thickness of 0.10-0.50mm, and specific material is titanium strip.
4. a kind of titanium steel composite slab according to claim 1, which is characterized in that the stainless steel sheet strip composite layer (3)
With a thickness of 0.10-0.50mm, and specific material is stainless steel sheet strip.
5. a kind of preparation method of titanium steel composite slab described in -4 according to claim 1, which is characterized in that specific steps are such as
Under:
S1, high-intensitive structural carbon steel and stainless steel sheet strip are chosen, and places it in different heating furnaces and carries out at heating
Reason, and the temperature in heating furnace is increased to 450-600 degrees Celsius with the rate of 25 degrees Celsius/s, and heats 3- under this condition
6min, and during heating, carbon is uniformly sprayed to its surface every 1min, it is after the completion, spare；
S2, titanium strip is chosen again, and place it in heating furnace and heated, and the temperature in heating furnace is taken the photograph with 15
Family name's degree/s rate is increased to 300-450 degrees Celsius, and is heated to softening by titanium strip under this condition, then spare；
S3, again choose cross-shear rolling composite rolling mill, and by S1 heat after high-intensitive structural carbon steel and stainless steel plate
Band is placed in one, and high-intensitive structural carbon steel is located at the surface of stainless steel sheet strip, the titanium that then will be handled in S2 again
Strip is placed in the surface of high-intensitive structural carbon steel, after the completion of placement, rolls to it, and mill speed is 1~20m/
Min also needs to guarantee that the upper working rolls and lower working rolls linear velocity of cross-shear rolling composite rolling mill is asynchronous than being 1:1.05-1.8, in the operation of rolling
In, it need to be repeated at least 3 times, so as to obtain three-layer composite board band；
S4, three-layer composite board band will be obtained in S3 be placed in vacuum drying oven, then will its it is internal extract as vacuum state, and to its
Middle nitrogen charging gas shielded three-layer composite board band, is then heat-treated it under conditions of 600-750 degrees Celsius again, and heat
The processing time is that 30-45min is placed it in cross-shear rolling composite rolling mill, and after being heat-treated after the completion in above-mentioned condition again
Under rolled again；
S5, after the completion, is drawn off, is placed under natural conditions and is cooled down, and according to actual needs, carries out trimming shaping to finished product
And the surface treatment and protection of different purposes are to get arriving titanium steel composite slab.
6. a kind of titanium steel composite slab according to claim 3, which is characterized in that also containing chromium member in the titanium strip
Element, manganese element, copper, ferro element and element silicon, and titanium elements, chromium, manganese element, copper, ferro element and silicon
The molal weight ratio of element is 10:1:0.5:0.05:0.05:0.05.
7. a kind of titanium steel composite slab according to claim 6, which is characterized in that, need to be by titanium when preparing titanium strip
Element is initially positioned in smelting furnace, and after melting, then successively adds other auxiliary elements, until being thoroughly mixed thawing.
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