CN106995904B - A kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust - Google Patents
A kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
Abstract
The invention discloses a kind of preparation methods of the anti-corrosion iron-nickel alloy band of antirust：Using vacuum induction smelting furnace molten alloy, smelting temperature is between 1510~1580 DEG C, the mass percent of each ingredient is respectively nickel 16.0%~18.0%, chromium 8.0%~9.0%, zirconium 0.6%~1.0%, manganese 0.3%~0.8%, silicon 0.15%~0.3%, carbon≤0.03% in alloy, and surplus is iron.By moving back and forth flat combination ingot mould in casting process, alloy molten solution is uniformly poured into flat combination ingot mould, alloy flat bloom after cooling need not forge after finishing, directly heat and be rolled into made-up belt；Then using annealing, cleaning, cold rolling, required alloy strip steel rolled stock is finally obtained.This preparation method can save manpower and energy consumption, reduce alloy material loss, reduce production cost.Alloy, can be again through composite rolling at twin metal strip product with preferable antirust corrosion resisting property by adding the elements such as nickel, chromium, zirconium, and performance meets the requirement of temperature controller user.
Description
Technical field
The present invention relates to a kind of preparation methods of the anti-corrosion iron-nickel alloy band of antirust, belong to alloy material preparing technical field.
Background technology
Household, the update of industrial electrical equipment product and technological progress are rapid in recent years, and the requirement to appliance material is also increasingly
It is high.Especially in some application circumstances, to using thermal bimetal material as temp-controlling element, in addition to inherent acting characteristic
It is required that stable quality, consistency are well outer, requirements at the higher level also proposed to material appearance surface quality, such as anti-corrosion, closely
Nian Lai, there are two types of different approach in terms of antirust corrosion resistant type thermo bimetal's development for various countries.First, being made using corrosion resistance alloy
For constituent element layer, it is directly developed into antirust corrosion resistant type thermo bimetal.Once there was the corrosion-resistant height that unit develops trade mark 5J1075 in China
Intensity thermo bimetal, but its performance is relatively low, cannot be satisfied requirement；Another way is, using highly expanded layer surface into
Row plus multiple corrosion-resistant coating method.There are three types of methods for general plus multiple erosion resistant coating：1) outside original bimetallic plus it is multiple one layer it is corrosion-resistant
Metal or alloy, to form three-layer metal and four layers of metal.2) it is covered using electroplating technology.3) it is coated in bimetallic surface
Organic layer, such as varnish or polyester plastics, but this method effect is bad, because organic coating is easy to become over time
It is crisp, it peels off, so being only used for lower operating temperature.In addition, the thermal bimetal material used in electric elements will mostly pass through storage
Can spot welding, therefore using second, the third side kind manufacture corrosion-resistant thermo bimetal all there is a problem of it is certain.And use heat double
Metal surface adds multiple one layer of anti-corrosive alloy material method that can meet the special corrosion resistance of user's requirement, but answers corrosion-resistant coating with adding
The thermo bimetal of manufacture, so original thermo bimetal's performance can be influenced, causes product quality not high because cladding has certain thickness,
In practice or various problems can be encountered.
For antirust, anti-corrosion to require high composite strip, most basic solution be to prepare the anti-corrosion sections of antirust first
Nickel alloy makes itself have the anti-corrosion function of antirust, and has good comprehensive performance, then passes through composite rolling technique skill
The anti-corrosion stratiform twin metal strip product of art production tool antirust, the use that the performance of joint product meets temperature controller user are wanted
It asks.
The preparation of usual iron-nickel alloy band in the prior art is all first to pour into ingot casting, and heats forged is at forging stock, then
Rolling is reheated after finishing, process is more and grows, and material and energy loss are big.In the prior art pour into a mould slab ingot when, sprue gate and
The position of mold is relatively fixed, and the width of ingot casting is typically not greater than 200mm.If ingot casting is wide, it is easy to occur while cooling cold
The problems such as separating ruler and shrinkage cavity, the defects of surface quality is poor phenomenon and crackle, hollow gap；Therefore, if it is desirable to make width
Spend larger slab ingot, it is necessary to use and reheat the technique for being rolled into made-up belt after carrying out heats forged, finishing after being cast.This
Outside, alloy part forging stock essence reason rear surface is uneven, leads to the defects of same plate degree of hot rolling base is poor, surface quality is bad.It adopts
When smelting cast iron-nickel alloy ingot with traditional method, the inlet of alloy molten solution and the mold of cast are fixed, and work as conjunction
It is spread to both sides after alloy molten solution concentrates at inlet when golden melt is poured into mold, ingot surface quality is bad.
Invention content
In order to overcome the deficiencies of existing technologies, technical problem to be solved by the present invention lies in propose a kind of anti-corrosion iron of antirust
The preparation method of nickel alloy strip makes alloy have preferable antirust corrosion resisting property by adding the elements such as nickel, chromium, zirconium；Using
The mode of mobile cast slab ingot device production alloy flat bloom, avoids alloy forging process, can Direct Rolling, it is anti-corrosion to prepare antirust
Sections nickel alloy strip.
For this purpose, the present invention uses following technical scheme：
A kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust provided by the invention, implements as follows：
S1：Raw material are packed by proportion scale in vacuum induction smelting furnace, it is warming up to 1510 under vacuum~
It 1580 DEG C, melts and is refined into alloy molten solution；The mass percent of the raw material is respectively nickel 16.0%~18.0%, chromium
8.0%~9.0%, zirconium 0.6%~1.0%, manganese 0.3%~0.8%, silicon 0.15%~0.3%, carbon≤0.03%, surplus are
Iron；
S2：The alloy molten solution is poured into flat mold, pouring temperature is controlled at 1530~1560 DEG C, and it is flat that alloy is made
Ingot；
S3：By the alloy flat bloom after finishing, 1100~1200 DEG C are heated to, it is 5.0~6.0mm to be hot-rolled down to thickness,
Obtain hot-rolled strip；
S4：The hot-rolled strip is made annealing treatment, annealing temperature is 850~950 DEG C, keeps the temperature 3~5 hours；
S5：The hot-rolled strip is subjected to figuring of surface with levigator；
S6：Hot-rolled strip progress multi-pass is cold-rolled to 1.6~2.0mm of thickness, obtains cold-rolled strip；
S7：The cold-rolled strip make annealing treatment under reducing atmosphere, temperature is 920 DEG C.
Preferably, in the casting process of S2, the flat mold uses flat combination ingot mould.
Preferably, the alloy molten solution is equably poured by moving back and forth the flat combination ingot mould in casting process
It notes in the flat combination ingot mould.
Preferably, the width of the alloy flat bloom is 300~500mm, and thickness is 40~70mm.
Preferably, the alloy flat bloom of the finishing is fitted into heating furnace in the step S3, before hot rolling and is protected at 600 DEG C
Temperature 30~60 minutes, 30~60 minutes are kept the temperature at 800~900 DEG C, are risen to 1100~1200 DEG C and are kept the temperature 40~80 minutes
Preferably, in the step S3, the temperature when alloy flat bloom hot rolling is completed is higher than 850 DEG C.
Preferably, the step S5 further includes the alignment hot-rolled strip and fails removal after clearing up the hot-rolled strip water mill
Surface defect.
Preferably, in S7, reducing atmosphere continuous bright annealing furnace is used when the cold-rolled strip makes annealing treatment.
Preferably, the length of the reducing atmosphere continuous bright annealing furnace is 15~25 meters.
Preferably, the tape running speed of the reducing atmosphere continuous bright annealing furnace is 0.4~1.0 m/min.
Present invention has the advantages that：Ni-based iron-nickel alloy as a constituent element through composite rolling at twin metal strip product,
Its machining deformation amount is larger, not high to mechanical property requirements；Using mobile cast slab ingot device cast production iron-nickel alloy slab ingot
Mode, alloy flat bloom can directly heat rolling without forging process after finishing, simplify production technology, saved energy consumption,
Product lumber recovery can be improved, while saving manpower, forging stock reconditioning finishing need not especially be handled, reduce alloy material
The loss of material, advantageously reduces production cost.Alloy makes alloy have preferable antirust resistance to by adding the elements such as nickel, chromium, zirconium
Corrosion energy makes its performance meet temperature control suitable for the stratiform twin metal strip product produced by composite rolling technology
The requirement of device user.
Description of the drawings
Fig. 1 is that structure when flat combination ingot mould is moved to the leftmost side in the alloy flat bloom casting device that embodiment one uses is shown
It is intended to；
Fig. 2 is that structure when flat combination ingot mould is moved to the rightmost side in the alloy flat bloom casting device that embodiment one uses is shown
It is intended to；
Fig. 3 is structural schematic diagram of the device in Fig. 1 along the directions arrow A view；
Fig. 4 is the schematic top plan view of two pieces of L-type die assembly structures in the alloy flat bloom casting device that embodiment one uses.
Specific implementation mode
The technical solution further illustrated the present invention below by specific implementation mode.
Embodiment one
A kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust provided in this embodiment, implements as follows：
S1：Raw material are packed by proportion scale in vacuum induction smelting furnace, 1510 DEG C is warming up under vacuum, melts
Change and is refined into alloy molten solution；The mass percent of the raw material is respectively nickel 16.0%, chromium 8.0%, zirconium 0.6%, manganese
0.3%, silicon 0.15%, carbon 0.01%, iron 74.94%.
S2：The alloy molten solution is equably poured into flat combination ingot mould, pouring temperature is controlled at 1530 DEG C, is being poured into a mould
In the process, by moving back and forth the flat combination ingot mould, the alloy molten solution is equably poured into flat combination ingot mould and is formed
Width is 300mm, and thickness is the alloy flat bloom of 70mm, and carries out local finishing to it after alloy flat bloom demoulding is cooling.
S3：The alloy flat bloom is fitted into heating furnace and keeps the temperature 60 minutes at 600 DEG C, is kept the temperature after then heating to 800 DEG C
60 minutes, then be warming up to 1100 DEG C and keep the temperature 80 minutes, hot rolling is then carried out, and 850 DEG C are down in the temperature of the alloy flat bloom
It is 6mm to be hot rolled to thickness before；Obtain hot-rolled strip.
S4：The hot-rolled strip is made annealing treatment, 950 DEG C of annealing temperature, keeps the temperature 3 hours；
S5：Figuring of surface is carried out with levigator after the hot-rolled strip is straightened, removes oxide skin and defect on hot-rolled strip.
S5A：The local defects such as face crack, the point of the hot-rolled strip are cleared up with polished silicon wafer.
S6：Hot-rolled strip progress multi-pass is cold-rolled to 2.0mm thickness, obtains cold-rolled strip.
S7：It is carried out at annealing using the continuous bright annealing furnace of ammonolysis craft reducing atmosphere after the cold-rolled strip removing surface
The length of reason, the continuous bright annealing furnace is 15 meters, and the cold-rolled strip is placed on walking in the continuous bright annealing furnace
It takes, the tape running speed of the continuous bright annealing furnace is 0.4 m/min, and annealing temperature is 920 DEG C.
The alloy molten solution formed in a kind of alloy flat bloom casting device cast step S1 is used in step S2.As shown in Figure 1 to Figure 4
It is shown, the alloy flat bloom casting device, including a funnel fixing bracket 1, the funnel brick that is set up on the funnel fixing bracket 1
2, flat combination ingot mould 3, the heat-resistance stainless steel guide rail 4 that two sliver transvers sections are trapezoid and the driving being set between two guide rails 4
Mechanism 5；The funnel brick 2 is made of refractory material, and top is opening, and bottom center is equipped with the funnel hole that aperture is 20mm
21, the flat combination ingot mould 3 includes rectangular base plate 31 and shaper, and the shaper includes two L-type molds 35 and uses
In four symmetrically arranged steel plates 36 for fastening the L-type mold 35 and 37 He of nut for being fastenedly connected the steel plate 36
Bolt 38；31 upper surface size of the rectangular base plate is 200*600mm, and lower surface is provided with two and is led with the heat-resistance stainless steel
4 upper end of rail cooperation groove 43, be erected in two L-type molds 35 of 31 upper surface of the rectangular base plate height be 400mm,
Thickness is 50mm, and described two L-type molds 35 are fixed with respect to hasp and form one in conjunction with the upper surface of the rectangular base plate 31
Rectangle with top end opening 33 pours into a mould chamber 34, and the size of the top end opening 33 is W=300mm, D=70mm (see Fig. 4), institute
Between stating two limiting devices 41,42 that rectangular base plate 31 is set up on the guide rail 4, described two limiting devices 41,42 it
Between define the moving section of 800mm wide, the midpoint of the moving section is located on the central axes of the funnel hole 21.The square
Shape bottom plate 31 and L-type mold 35 are Nodular cast iron material；The driving mechanism 5 includes hydraulic telescopic rod 51, hydraulic cylinder 52, uses
In the flexible control circuit of the stainless steel protection cover 53 and the control hydraulic telescopic rod 51 of protection hydraulic telescopic rod 51, (figure is not
Show), 51 one end of the hydraulic telescopic rod connects the hydraulic cylinder 52, and the other end connect with the side of the bottom plate 31, can stretch
Contracting distance is 300mm.When the driving mechanism 5 drives the flat combination ingot mould 3 to move back and forth, the central axes of the funnel hole 21
Always it is in same plane in the center line line B-B of moving direction with rectangle cast chamber 34.
As shown in Figure 1, in alloy casting process, the driving mechanism 5 drives the flat combination ingot mould 3 to be moved to the square
When 31 left side of shape bottom plate is resisted against the limiting device 41 in 4 left side of the guide rail, projection 21A of the funnel hole 21 in vertical direction
Close to the position of right margin in the top end opening 33；As shown in Fig. 2, in alloy casting process, the driving mechanism 5 is driven
When the right side that the dynamic flat combination ingot mould 3 is moved to the rectangular base plate 31 is resisted against the limiting device 42 on 4 right side of the guide rail,
The funnel hole 21 is located at the position in the top end opening 33 close to left margin in the projection 21B of vertical direction.That is
After alloy molten solution in step S1 in vacuum induction smelting furnace pours into the funnel brick 2, flows out and remain from funnel hole 21
Top end opening 33 through the flat combination ingot mould 3 enters in rectangle cast chamber 34；Meanwhile hydraulic cylinder 52 drives the hydraulically extensible
Bar 51 is flexible to drive the bottom plate 31 to move back and forth, and alloy molten solution is made uniformly to pour into a mould, and it is flat to form the block-like alloy of prolate after cooling
Ingot.In the casting process of the present embodiment step S2, the shaper can also be formed described using other kinds of mold
Rectangle pour into a mould chamber 34, such as integrally formed slab ingot shaper or combined by four mold walls formed the rectangle cast
Chamber 34.
In step s 2, it is driven by driving mechanism in casting process so that the flat combination ingot mould reciprocating movement, makes conjunction
Golden melt is uniformly poured into flat combination ingot mould, makes alloy structure evenly, pore-free；Due to the top of the flat combination ingot mould
The long edge size of end opening is more than the sum of the width of moving section and the funnel hole that the limiting device limits, ensure that
In reciprocating movement, the alloy molten solution of cast maintains to flow into the top end opening of the flat combination ingot mould always, will not cause
The waste of alloy molten solution, will not caused by the alloy molten solution of spillage other component damage.
Embodiment two
A kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust provided in this embodiment, implements as follows：
S1：Raw material are packed by proportion scale in vacuum induction smelting furnace, 1530 DEG C is warming up under vacuum, melts
Change and is refined into alloy molten solution；The mass percent of the raw material is respectively nickel 18.0%, chromium 9.0%, zirconium 1%, manganese
0.8%, silicon 0.3%, carbon 0.03%, iron 70.87%.；
S2：The alloy molten solution is equably poured into flat combination ingot mould, pouring temperature is controlled at 1540 DEG C, is being poured into a mould
In the process, by moving back and forth the flat combination ingot mould, the alloy molten solution is equably poured into flat combination ingot mould and is formed
Width is 500mm, and thickness is the alloy flat bloom of 50mm, and carries out local finishing to it after alloy flat bloom demoulding is cooling.
S3：The alloy flat bloom is fitted into heating furnace and keeps the temperature 45 minutes at 600 DEG C, is kept the temperature after then heating to 850 DEG C
45 minutes, then be warming up to 1150 DEG C and keep the temperature 60 minutes, hot rolling is then carried out, and 850 DEG C are down in the temperature of the alloy flat bloom
It is 5.5mm to be hot rolled to thickness before, obtains hot-rolled strip.
S4：The hot-rolled strip is made annealing treatment, 900 DEG C of annealing temperature, keeps the temperature 4 hours；
S5：Figuring of surface is carried out with levigator after the hot-rolled strip is straightened, removes oxide skin and defect on hot-rolled strip.
S5A：The local defects such as face crack, the point of the hot-rolled strip are cleared up with polished silicon wafer.
S6：Hot-rolled strip progress multi-pass is cold-rolled to 1.85mm thickness, obtains cold-rolled strip.
S7：It is carried out at annealing using the continuous bright annealing furnace of ammonolysis craft reducing atmosphere after the cold-rolled strip removing surface
The length of reason, the continuous bright annealing furnace is 20 meters, and the cold-rolled strip is placed on walking in the continuous bright annealing furnace
It takes, the tape running speed of the continuous bright annealing furnace is 0.6 m/min, and annealing temperature is 920 DEG C.
Step S2 is poured into a mould for the alloy flat bloom casting device of cast with the alloy flat bloom in embodiment one in the present embodiment
Device is similar, and this will not be repeated here.
Embodiment three
A kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust provided in this embodiment, implements as follows：
S1：Raw material are packed by proportion scale in vacuum induction smelting furnace, 1580 DEG C is warming up under vacuum, melts
Change and is refined into alloy molten solution；The mass percent of the raw material is respectively nickel 17.0%, chromium 8.5%, zirconium 0.8%, manganese
0.5%, silicon 0.2%, carbon 0.02%, iron 72.98%.
S2：The alloy molten solution is equably poured into flat combination ingot mould, pouring temperature is controlled at 1560 DEG C, is being poured into a mould
In the process, by moving back and forth the flat combination ingot mould, the alloy molten solution is equably poured into flat combination ingot mould and is formed
Width is 400mm, and thickness is the alloy flat bloom of 40mm, and carries out local finishing to it after alloy flat bloom demoulding is cooling.
S3：The alloy flat bloom is fitted into heating furnace and keeps the temperature 30 minutes at 600 DEG C, is kept the temperature after then heating to 900 DEG C
30 minutes, then be warming up to 1200 DEG C and keep the temperature 40 minutes, hot rolling is then carried out, and 850 DEG C are down in the temperature of the alloy flat bloom
It is 5mm to be hot rolled to thickness before, obtains hot-rolled strip.
S4：The hot-rolled strip is made annealing treatment, 850 DEG C of annealing temperature, keeps the temperature 5 hours；
S5：Figuring of surface is carried out with levigator after the hot-rolled strip is straightened, removes oxide skin and defect on hot-rolled strip.
S5A：The local defects such as crackle, the point on the surface of the hot-rolled strip are cleared up with polished silicon wafer.
S6：Hot-rolled strip progress multi-pass is cold-rolled to 1.6mm thickness, obtains cold-rolled strip.
S7：It is carried out at annealing using the continuous bright annealing furnace of ammonolysis craft reducing atmosphere after the cold-rolled strip removing surface
The length of reason, the continuous bright return of goods stove is 25 meters, and the cold-rolled strip is placed on walking in the continuous bright annealing furnace
It takes, the tape running speed of the continuous bright annealing furnace is 1 m/min, and annealing temperature is 920 DEG C.
Step S2 is poured into a mould for the alloy flat bloom casting device of cast with the alloy flat bloom in embodiment one in the present embodiment
Device is similar, and this will not be repeated here.
The preparation method of the anti-corrosion iron-nickel alloy band of a kind of antirust provided through the invention, by adding nickel, chromium, zirconium etc.
The alloy strip steel rolled stock of alloying element, preparation has preferable antirust corrosion resisting property, as a constituent element through composite rolling at thermo bimetal
Strip product, performance meet the requirement of temperature controller user.By the way of mobile cast slab ingot device production alloy flat bloom,
It is easy to loading and unloading, be easy demoulding, the good alloy flat bloom of wide and neat, even tissue, densification, surface quality can be cast out.It can be without forging
Process is made, produces surface quality, with all good made-up belt of plate degree；Simplification of flowsheet reduces material and energy loss, Ke Yiti
High product lumber recovery, while saving manpower.Forging stock reconditioning finishing need not especially be handled, reduce the damage of alloy material
Consumption, advantageously reduces production cost.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust, which is characterized in that implement as follows：
S1：Raw material are packed by proportion scale in vacuum induction smelting furnace, are warming up to 1510~1580 DEG C under vacuum,
It melts and is refined into alloy molten solution；The mass percent of the raw material be respectively nickel 16.0%~18.0%, chromium 8.0%~
9.0%, zirconium 0.6%~1.0%, manganese 0.3%~0.8%, silicon 0.15%~0.3%, carbon≤0.03%, surplus are iron；
S2：The alloy molten solution is poured into flat mold, pouring temperature is controlled at 1530~1560 DEG C, and alloy flat bloom is made,
The flat mold uses flat combination ingot mould, and by moving back and forth the flat combination ingot mould in casting process, the alloy is melted
Liquid is equably poured into the flat combination ingot mould；
S3：By the alloy flat bloom after finishing, 1100~1200 DEG C are heated to, it is 5.0~6.0mm to be hot-rolled down to thickness, is obtained
Hot-rolled strip；
S4：The hot-rolled strip is made annealing treatment, annealing temperature is 850~950 DEG C, keeps the temperature 3~5 hours；
S5：The hot-rolled strip is subjected to figuring of surface with levigator；
S6：Hot-rolled strip progress multi-pass is cold-rolled to 1.6~2.0mm of thickness, obtains cold-rolled strip；
S7：The cold-rolled strip make annealing treatment under reducing atmosphere, temperature is 920 DEG C.
2. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 1, it is characterised in that：The conjunction
The width of golden slab ingot is 300~500mm, and thickness is 40~70mm.
3. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 1, it is characterised in that：The step
In rapid S3, the alloy flat bloom of the finishing is fitted into heating furnace before hot rolling and keeps the temperature 30~60 minutes at 600 DEG C, 800~
900 DEG C keep the temperature 30~60 minutes, rise to 1100~1200 DEG C and keep the temperature 40~80 minutes.
4. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 1, it is characterised in that：The step
In rapid S3, the temperature when alloy flat bloom hot rolling is completed is higher than 850 DEG C.
5. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 1, it is characterised in that：The step
Rapid S5 further includes the alignment hot-rolled strip and fails the surface defect removed after clearing up the hot-rolled strip water mill.
6. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 1, it is characterised in that：In S7
In, reducing atmosphere continuous bright annealing furnace is used when the cold-rolled strip makes annealing treatment.
7. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 6, it is characterised in that：It is described to go back
The length of Primordial Qi atmosphere continuous bright annealing furnace is 15~25 meters.
8. a kind of preparation method of the anti-corrosion iron-nickel alloy band of antirust according to claim 7, it is characterised in that：It is described to go back
The tape running speed of Primordial Qi atmosphere continuous bright annealing furnace is 0.4~1.0 m/min.
Priority Applications (1)
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