CN107185961B - A kind of big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method - Google Patents
A kind of big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method Download PDFInfo
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- CN107185961B CN107185961B CN201710453074.4A CN201710453074A CN107185961B CN 107185961 B CN107185961 B CN 107185961B CN 201710453074 A CN201710453074 A CN 201710453074A CN 107185961 B CN107185961 B CN 107185961B
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- 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
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/06—Width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/12—Length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/12—Rolling load or rolling pressure; roll force
Abstract
The invention discloses a kind of big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, this method are as follows: one, the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base be combined composite plate blank by weldering of exploding；Two, composite plate blank is subjected to smoothing process, is then heated；Three, cooling treatment is carried out to the composite plate blank after heating；Four, the composite plate blank after cooling treatment is sent into asynchronous rolling machine and carries out asymmetrical rolling, obtain nickel-base alloy/pipeline steel composite board；The nickel-base alloy/pipeline steel composite board shear strength is not less than 210MPa；The total reduction of the asymmetrical rolling is 50%~90%, and the friction speed ratio of asynchronous rolling machine per pass is 1.05~1.30.The method that the present invention prepares composite plate both ensure that the corrosion resistance of cladding nickel-base alloy, guarantee the tensile property and impact flexibility of base pipeline steel again, and the performance requirements such as bond strength of composite plate meet NB/T47002.2 standard requirements, or even reduce the requirement to mill rolling force.
Description
Technical field
The invention belongs to composite plate manufacturing technology fields, and in particular to a kind of big specification, thin cladding nickel-base alloy/pipe line steel
The preparation method of composite plate.
Background technique
Nickel-base alloy/pipeline steel composite board is because having good corrosion resisting property, especially resistance to CO2And H2S corrosive nature and pipe
The high impact flexibility of line steel, is therefore widely used in the industries such as petroleum pipeline, chemical industry, ocean engineering.
Under the premise of meeting service performance, nickel-base alloy/pipeline steel composite board of thin cladding can further decrease manufacture
Cost.As China's economy constantly advances, the development trend for equipping enlargement is more and more obvious, the Ni-based conjunction of thin cladding
Gold/pipeline steel composite board demand is also increasingly urgent to
Big specification, thin cladding nickel-base alloy/pipeline steel composite board both need using specific processing method it to be reached
The requirement of required size, at the same be also required to guarantee to be also required to simultaneously in process to guarantee in process nickel-base alloy and
The tissue and performance of pipe line steel all meet respective requirement.But these conventional production methods are producing big specification, Bao Fu at present
It there is a problem that in terms of layer nickel-base alloy/pipeline steel composite board various.Such as produced using centrifugal casting+rolling method
Big specification, thin cladding nickel-base alloy/pipeline steel composite board complex process, easily occur simultaneously inner surface quality is poor, hole size not
Accurately, the problems such as recovery rate of iron is low.Big specification, thin cladding nickel-base alloy/pipeline steel composite board are produced using explosive welding process
Easily there is the problems such as edge unstability, regional area fusing and bond quality is poor, especially nickel-base alloy/pipeline of petroleum pipeline
Steel composite board, generally length >=10000mm, width≤2000mm composite plate, the simple explosive welding of the composite plate of such specification
It is difficult.It is complicated for operation using the big specification of Direct Rolling method production, thin cladding nickel-base alloy/pipeline steel composite board, due to needing
Vacuum assembly is wanted, the production method is also high to equipment requirement.Explosive welding+rolling method can play explosive welding and rolling
The advantages of two methods, but conventional rolling mill practice is difficult to produce the big specification for meeting requirements, the Ni-based conjunction of thin cladding
Gold/pipeline steel composite board, as the warpage issues of the deformation institute output by nickel-base alloy and pipe line steel not only make to roll
Process is difficult to go on smoothly, and template is difficult to ensure, while causing multiple excessively without nickel-base alloy covered section occurs in composite plate head
Plywood yield rate is low.Also, nickel-base alloy is identical with pipe line steel rolling temperature in traditional operation of rolling under normal circumstances, due to
Respectively optimal rolling temperature section is different for two kinds of metals, thus traditional rolling mill practice be also difficult to make after rolling nickel-base alloy with
The structure property of pipe line steel can be met the requirements.
Summary of the invention
Technical problem to be solved by the present invention lies in view of the above shortcomings of the prior art, provide a kind of big specification,
The preparation method of thin cladding nickel-base alloy/pipeline steel composite board.The preparation method use explosive welding base, asymmetrical rolling it
Between the Pipeline Steel Plate of composite plate blank and nickel-base alloy plate be down to different temperature, meet the needs of its respective split rolling method,
And the two sides of composite plate blank are inwardly formed temperature gradient, have given full play to temperature gradient and asymmetrical rolling combination bring skill
The advantage of art, it is uneven to have coordinated the deformation that nickel-base alloy and pipe line steel occur during the rolling process, guarantees after asymmetrical rolling
The nickel-base alloy arrived/pipeline steel composite board is straight, and make roll nickel-base alloy/pipeline steel composite board operation of rolling smoothly into
Row, finally prepd big specification, thin cladding nickel-base alloy/pipeline steel composite board both ensure that the corrosion resistance of cladding nickel-base alloy,
The performance requirements such as bond strength of the tensile property of guarantee base pipeline steel and impact flexibility and composite plate meet NB/ again
T47002.2 standard requirements, or even reduce the requirement to mill rolling force.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of big specification, thin cladding nickel-base alloy/
The preparation method of pipeline steel composite board, which is characterized in that method includes the following steps:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate be 1050mm~6100mm, width be 550mm~2100mm, with a thickness of 2mm~
12mm, the length of the Pipeline Steel Plate are 1000mm~6000mm, and width is 500mm~2000mm, with a thickness of 16mm~
200mm；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1050 DEG C~1300 DEG C, and come out of the stove after keeping the temperature 2h~6.5h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, so that the pipeline of composite plate blank
The temperature of surface of steel plate is down to 850 DEG C~1150 DEG C, and the temperature of the nickel-base alloy plate surface of composite plate blank is made to be down to 1000 DEG C
~1250 DEG C, then composite plate blank is inwardly formed temperature gradient by two sides；The Pipeline Steel Plate surface of the composite plate blank
Temperature is less than the temperature of the nickel-base alloy plate surface of the composite plate blank；
Step 4: by step 3 after cooling treatment formation temperature gradient composite plate blank be sent into asynchronous rolling machine in into
The asymmetrical rolling of row multi-pass obtains length not less than 10000mm after cooling, width is 500mm~2000mm, with a thickness of 9mm
The nickel-base alloy of~44mm/pipeline steel composite board, wherein in nickel-base alloy/pipeline steel composite board nickel-base alloy plate with a thickness of
1mm~4mm；The nickel-base alloy/pipeline steel composite board shear strength is not less than 210MPa；Under the stagnation pressure of the asymmetrical rolling
Rate is 50%~90%, and the friction speed ratio of asynchronous rolling machine per pass is 1.05~1.30.
A kind of above-mentioned big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, which is characterized in that step
The trade mark of nickel-base alloy described in rapid one is UNSN06625, UNSN08825, UNSN06600 or UNSN10276.
A kind of above-mentioned big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, which is characterized in that step
The trade mark of pipe line steel described in rapid one is X56, X60, X65 or X70.
A kind of above-mentioned big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, which is characterized in that step
Reduction ratio in rapid three per pass is 10%~30%.
A kind of above-mentioned big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, which is characterized in that step
The Pipeline Steel Plate side of composite plate blank described in rapid three carries out spraying cooling, the Ni-based conjunction of the composite plate blank by cooling water
Golden plate side using natural cooling or carries out spraying cooling by cooling water.
A kind of above-mentioned big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, which is characterized in that step
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 800 DEG C~1100 DEG C when asymmetrical rolling open rolling in rapid four, asynchronous to roll
The temperature of the nickel-base alloy plate surface of the composite plate blank is 960 DEG C~1200 DEG C when open rolling processed；Asymmetrical rolling finish to gauge when institute
The temperature for stating the Pipeline Steel Plate surface of composite plate blank is 750 DEG C~950 DEG C, when asymmetrical rolling finish to gauge the composite plate blank
The temperature of nickel-base alloy plate surface is 900 DEG C~1100 DEG C.
Compared with the prior art, the present invention has the following advantages:
1, at home under the conditions of existing equipment and raw material supply, the present invention uses explosive welding legal system composite plate blanks material,
Then cool down respectively to the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side, due to Pipeline Steel Plate side and Ni-based
Alloy sheets side is directly contacted with cooling source, and surface cooling is very fast, so that the two sides of composite plate blank are inwardly formed one
Fixed temperature gradient, and the Pipeline Steel Plate of composite plate blank and nickel-base alloy plate surface are down to different temperatures, and this is according to pipe
What the effect of line steel plate and nickel-base alloy plate played in composite plate determined, and temperature gradient can make cladding nickel after asymmetrical rolling
Based alloy and base pipeline steel can satisfy the requirement of respective structure property simultaneously；The Pipeline Steel Plate surface of composite plate blank simultaneously
Temperature be less than nickel-base alloy plate surface temperature, this makes in subsequent progresss asymmetrical rolling, meet rolling to substrate and again
The requirement of the split rolling method of plate not only ensure that the corrosion resistance of cladding nickel-base alloy, but also guarantee tensile property, the crystalline substance of base pipeline steel
The performance requirements such as the bond strength of granularity and impact flexibility and composite plate, reduce the requirement to milling train.
2, the Pipeline Steel Plate of composite plate blank and nickel-base alloy plate are down to different temperature between asymmetrical rolling by the present invention
Degree meets the needs of its respective split rolling method, and the two sides of composite plate blank are inwardly formed temperature gradient, have given full play to temperature
The advantage for spending gradient and asymmetrical rolling combination bring technology overcomes asymmetrical rolling to have the shortcomings that deformation penetrating power is limited,
Wherein it is uneven can to coordinate the deformation that nickel-base alloy and pipe line steel occur during the rolling process for asymmetrical rolling, guarantees asymmetrical rolling
The nickel-base alloy obtained afterwards/pipeline steel composite board is straight, and keeps rolling nickel-base alloy/pipeline steel composite board operation of rolling smooth
It carries out.
3, the present invention prepares composite plate blank, the Ni-based conjunction of composite plate blank cladding of explosive welding preparation using explosive welding
The bond strength of gold and base pipeline steel is high, the Interface Cracking that asymmetrical rolling process of the composite plate blank below may cause,
Simultaneously it is improved nickel-base alloy/pipeline steel composite board intensity after rolling, by ultrasonic examination and shear strength test:
Nickel-base alloy/pipeline steel composite board Percentage bound 100%, shear strength are far longer than specified in NB/T47002.2 standard
The requirement of 210MPa.
Technical solution of the present invention is described in further detail below by embodiment.
Specific embodiment
Embodiment 1
The present embodiment prepare nickel-base alloy/pipeline steel composite board method the following steps are included:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate is 2690mm, width 2060mm, with a thickness of 10mm, the Pipeline Steel Plate
Length is 2590mm, width 1960mm, with a thickness of 200mm；The trade mark of the nickel-base alloy is UNSN10276；The pipeline
The trade mark of steel is X70；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1300 DEG C, and come out of the stove after keeping the temperature 6.5h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, the process of the cooling treatment are as follows:
The Pipeline Steel Plate side of the composite plate blank carries out spraying cooling by cooling water, so that the Pipeline Steel Plate surface of composite plate blank
Temperature be down to 1150 DEG C, the temperature of the nickel-base alloy plate surface of the composite plate blank naturally cools to 1250 DEG C, then compound
Plate blank material is inwardly formed the increased gradient of temperature by two sides, nickel-base alloy plate when this convenient for carrying out asymmetrical rolling in next step, pipe
Line steel plate meets the requirement of respective structure property, and the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side are inside
Formation temperature gradient, open rolling requirement when meeting open rolling in step 4 to Pipeline Steel Plate and nickel-base alloy plate；
The different of multi-pass is carried out Step 4: the composite plate blank in step 3 after cooling treatment is sent into asynchronous rolling machine
Step rolling, obtaining length is 17200mm, width 1960mm, with a thickness of 31.5mm nickel-base alloy/pipeline steel composite board, wherein
Nickel-base alloy plate with a thickness of 1.5mm in nickel-base alloy/pipeline steel composite board；The total reduction of the asymmetrical rolling is 85%,
The friction speed ratio of asynchronous rolling machine per pass is 1.05.
The road number of asymmetrical rolling described in step 4 is that the reduction ratio of 11,11 passages is followed successively by 10%, 11.1%,
13.8%, 21%, 19.3%, 20.5%, 17.1%, 17.2%, 16.7%, 12.6%, 14.2%；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 1100 DEG C when asymmetrical rolling open rolling in step 4, asynchronous
The temperature for rolling the nickel-base alloy plate surface of composite plate blank when open rolling is 1200 DEG C；It is described compound when asymmetrical rolling finish to gauge
The temperature on the Pipeline Steel Plate surface of plate blank material is 950 DEG C, when asymmetrical rolling finish to gauge the composite plate blank nickel-base alloy plate table
The temperature in face be 1100 DEG C, after rolling by nickel-base alloy/pipeline steel composite board water cooling to 400 DEG C it is air-cooled.
Nickel-base alloy manufactured in the present embodiment/pipeline steel composite board passes through ultrasonic examination and shear strength test: Ni-based
Alloy/pipeline steel composite board Percentage bound 100%, shear strength reaches 405MPa, is greater than specified in NB/T47002.2 standard
The requirement of 210MPa.
Embodiment 2
The present embodiment prepare nickel-base alloy/pipeline steel composite board method the following steps are included:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate is 6100mm, width 2100mm, with a thickness of 2mm, the length of the Pipeline Steel Plate
Degree is 6000mm, width 2000mm, with a thickness of 16mm；The trade mark of the nickel-base alloy is UNSN06625；The pipe line steel
The trade mark is X56；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1100 DEG C, and come out of the stove after keeping the temperature 2h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, the process of the cooling treatment are as follows:
The Pipeline Steel Plate side of the composite plate blank carries out spraying cooling by cooling water, so that the Pipeline Steel Plate surface of composite plate blank
Temperature be down to 850 DEG C, the temperature of the nickel-base alloy plate surface of the composite plate blank naturally cools to 1050 DEG C, then composite plate
Blank is inwardly formed the increased gradient of temperature by two sides, nickel-base alloy plate when this convenient for carrying out asymmetrical rolling in next step, pipeline
Steel plate meets the requirement of respective structure property, and the inside shape in the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side
Open rolling requirement at temperature gradient, when meeting open rolling in step 4 to Pipeline Steel Plate and nickel-base alloy plate；
The different of multi-pass is carried out Step 4: the composite plate blank in step 3 after cooling treatment is sent into asynchronous rolling machine
Step rolling, obtaining length is 12000mm, width 1990mm, with a thickness of 9mm nickel-base alloy/pipeline steel composite board, wherein Ni-based
Nickel-base alloy plate with a thickness of 1mm in alloy/pipeline steel composite board；The total reduction of the asymmetrical rolling is 50%, per pass
Asynchronous rolling machine friction speed ratio be 1.3.
The road number of asymmetrical rolling described in step 4 is that the reduction ratio of 5,5 passages is followed successively by 12.5%, 14.3%,
16.7%, 11%, 10.1%；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 800 DEG C when asymmetrical rolling open rolling described in step 4,
The temperature of the nickel-base alloy plate surface of the composite plate blank is 1000 DEG C when asymmetrical rolling open rolling；Described in when asymmetrical rolling finish to gauge
The temperature on the Pipeline Steel Plate surface of composite plate blank is 750 DEG C, when asymmetrical rolling finish to gauge the composite plate blank nickel-base alloy
The temperature of plate surface be 900 DEG C, after rolling by nickel-base alloy/pipeline steel composite board water cooling to 600 DEG C it is air-cooled.
Nickel-base alloy manufactured in the present embodiment/pipeline steel composite board passes through ultrasonic examination and shear strength test: Ni-based
Alloy/pipeline steel composite board Percentage bound 100%, shear strength reaches 380MPa, is greater than specified in NB/T47002.2 standard
The requirement of 210MPa.
Embodiment 3
The present embodiment prepare nickel-base alloy/pipeline steel composite board method the following steps are included:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate is 3790mm, width 1900mm, with a thickness of 12mm, the Pipeline Steel Plate
Length is 3690mm, width 1800mm, with a thickness of 18mm；The trade mark of the nickel-base alloy is UNSN08825；The pipe line steel
The trade mark be X65；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1200 DEG C, and come out of the stove after keeping the temperature 2.5h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, the process of the cooling treatment are as follows:
The Pipeline Steel Plate side of the composite plate blank carries out spraying cooling by cooling water, so that the Pipeline Steel Plate surface of composite plate blank
Temperature be down to 900 DEG C, the temperature of the nickel-base alloy plate surface of the composite plate blank naturally cools to 1150 DEG C, then composite plate
Blank is inwardly formed the increased gradient of temperature by two sides, nickel-base alloy plate when this convenient for carrying out asymmetrical rolling in next step, pipeline
Steel plate meets the requirement of respective structure property, and the inside shape in the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side
Open rolling requirement at temperature gradient, when meeting open rolling in step 4 to Pipeline Steel Plate and nickel-base alloy plate；
The different of multi-pass is carried out Step 4: the composite plate blank in step 3 after cooling treatment is sent into asynchronous rolling machine
Step rolling, obtaining length is 11000mm, width 1800mm, with a thickness of 10mm nickel-base alloy/pipeline steel composite board, wherein nickel
Nickel-base alloy plate with a thickness of 4mm in based alloy/pipeline steel composite board；The total reduction of the asymmetrical rolling is 66.7%, often
The friction speed ratio of the asynchronous rolling machine of passage is 1.2.
The road number of the asymmetrical rolling is 7 times, and the reduction ratio of 7 passages is followed successively by 11.1%, 10%, 10.4%,
11.6%, 30%, 13.5%, 13%；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 900 DEG C when the asymmetrical rolling open rolling, asymmetrical rolling
The temperature of the nickel-base alloy plate surface of the composite plate blank is 1100 DEG C when open rolling；Composite plate blanks when asymmetrical rolling finish to gauge
The temperature on the Pipeline Steel Plate surface of material is 880 DEG C, when asymmetrical rolling finish to gauge the composite plate blank nickel-base alloy plate surface
Temperature be 1000 DEG C, after rolling by nickel-base alloy/pipeline steel composite board water cooling to 560 DEG C it is air-cooled.
Nickel-base alloy manufactured in the present embodiment/pipeline steel composite board passes through ultrasonic examination and shear strength test: Ni-based
Alloy/pipeline steel composite board Percentage bound 100%, shear strength reaches 329MPa, is greater than specified in NB/T47002.2 standard
The requirement of 210MPa.
Embodiment 4
The present embodiment prepare nickel-base alloy/pipeline steel composite board method the following steps are included:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate is 3710mm, width 2080mm, with a thickness of 6mm, the length of the Pipeline Steel Plate
Degree is 3610mm, width 2000mm, with a thickness of 126mm；The trade mark of the nickel-base alloy is UNSN06600；The pipe line steel
The trade mark be X60；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1150 DEG C, and come out of the stove after keeping the temperature 4h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, the process of the cooling treatment are as follows:
The Pipeline Steel Plate side of the composite plate blank carries out spraying cooling by cooling water, so that the Pipeline Steel Plate surface of composite plate blank
Temperature be down to 900 DEG C, the temperature of the nickel-base alloy plate surface of the composite plate blank naturally cools to 1050 DEG C, then composite plate
Blank is inwardly formed the increased gradient of temperature by two sides, nickel-base alloy plate when this convenient for carrying out asymmetrical rolling in next step, pipeline
Steel plate meets the requirement of respective structure property, and the inside shape in the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side
Open rolling requirement at temperature gradient, when meeting open rolling in step 4 to Pipeline Steel Plate and nickel-base alloy plate；
The different of multi-pass is carried out Step 4: the composite plate blank in step 3 after cooling treatment is sent into asynchronous rolling machine
Step rolling, obtaining length is 10800mm, width 2000mm, with a thickness of 44mm nickel-base alloy/pipeline steel composite board, wherein nickel
Nickel-base alloy plate with a thickness of 2mm in based alloy/pipeline steel composite board；The total reduction of the asymmetrical rolling is 66.7%, often
The friction speed ratio of the asynchronous rolling machine of passage is 1.1.
The road number of the asymmetrical rolling is 9 times, and the reduction ratio of 9 passages is followed successively by 10.3%, 10.6%, 10.9%,
10%, 12.3%, 14.1%, 13.1%, 11.5%, 10.4%；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 890 DEG C when the asymmetrical rolling open rolling, asymmetrical rolling
The temperature of the nickel-base alloy plate surface of the composite plate blank is 1000 DEG C when open rolling；Composite plate blanks when asymmetrical rolling finish to gauge
The temperature on the Pipeline Steel Plate surface of material is 850 DEG C, when asymmetrical rolling finish to gauge the composite plate blank nickel-base alloy plate surface
Temperature be 1000 DEG C, after rolling by nickel-base alloy/pipeline steel composite board water cooling to 600 DEG C it is air-cooled.
Nickel-base alloy manufactured in the present embodiment/pipeline steel composite board passes through ultrasonic examination and shear strength test: Ni-based
Alloy/pipeline steel composite board Percentage bound 100%, shear strength reaches 360MPa, is greater than specified in NB/T47002.2 standard
The requirement of 210MPa.
Embodiment 5
The present embodiment prepare nickel-base alloy/pipeline steel composite board method the following steps are included:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate is 2100mm, width 550mm, with a thickness of 6mm, the length of the Pipeline Steel Plate
Degree is 2000mm, width 500mm, with a thickness of 44mm；The trade mark of the nickel-base alloy is UNSN06600；The pipe line steel
The trade mark is X60；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1150 DEG C, and come out of the stove after keeping the temperature 2h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, the process of the cooling treatment are as follows:
The Pipeline Steel Plate side of the composite plate blank carries out spraying cooling by cooling water, so that the Pipeline Steel Plate surface of composite plate blank
Temperature be down to 900 DEG C, the temperature water-spraying control of the nickel-base alloy plate surface of the composite plate blank is to 1050 DEG C, then composite plate
Blank is inwardly formed the increased gradient of temperature by two sides, nickel-base alloy plate when this convenient for carrying out asymmetrical rolling in next step, pipeline
Steel plate meets the requirement of respective structure property, and the inside shape in the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side
Open rolling requirement at temperature gradient, when meeting open rolling in step 4 to Pipeline Steel Plate and nickel-base alloy plate；
The different of multi-pass is carried out Step 4: the composite plate blank in step 3 after cooling treatment is sent into asynchronous rolling machine
Step rolling, obtaining length is 10000mm, width 500mm, with a thickness of 10mm nickel-base alloy/pipeline steel composite board, wherein Ni-based
Nickel-base alloy plate with a thickness of 1.2mm in alloy/pipeline steel composite board；The total reduction of the asymmetrical rolling is 80%, per pass
The friction speed ratio of secondary asynchronous rolling machine is 1.16.
The road number of the asymmetrical rolling is 9 times, and the reduction ratio of 9 passages is followed successively by 10%, 11.1%, 10.4%,
11.6%, 15.8%, 25%, 20.8%, 26.3%, 14.3%；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 890 DEG C when the asymmetrical rolling open rolling, asymmetrical rolling
The temperature of the nickel-base alloy plate surface of the composite plate blank is 1000 DEG C when open rolling；Composite plate blanks when asymmetrical rolling finish to gauge
The temperature on the Pipeline Steel Plate surface of material is 850 DEG C, when asymmetrical rolling finish to gauge the composite plate blank nickel-base alloy plate surface
Temperature be 1000 DEG C, after rolling by nickel-base alloy/pipeline steel composite board water cooling to 600 DEG C it is air-cooled.
Nickel-base alloy manufactured in the present embodiment/pipeline steel composite board passes through ultrasonic examination and shear strength test: Ni-based
Alloy/pipeline steel composite board Percentage bound 100%, shear strength reaches 339MPa, is greater than specified in NB/T47002.2 standard
The requirement of 210MPa.
Embodiment 6
The present embodiment prepare nickel-base alloy/pipeline steel composite board method the following steps are included:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are combined by weldering of exploding
Plywood blank；The length of the nickel-base alloy plate is 1050mm, width 900mm, with a thickness of 11mm, the length of the Pipeline Steel Plate
Degree is 1000mm, width 800mm, with a thickness of 100mm；The trade mark of the nickel-base alloy is UNSN08825；The pipe line steel
The trade mark is X56；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to
1050 DEG C, and come out of the stove after keeping the temperature 3.6h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, the process of the cooling treatment are as follows:
The Pipeline Steel Plate side of the composite plate blank carries out spraying cooling by cooling water, so that the Pipeline Steel Plate surface of composite plate blank
Temperature be down to 900 DEG C, the temperature of the nickel-base alloy plate surface of the composite plate blank naturally cools to 1000 DEG C, then composite plate
Blank is inwardly formed the increased gradient of temperature by two sides, nickel-base alloy plate when this convenient for carrying out asymmetrical rolling in next step, pipeline
Steel plate meets the requirement of respective structure property, and the inside shape in the Pipeline Steel Plate side of composite plate blank and nickel-base alloy plate side
Open rolling requirement at temperature gradient, when meeting open rolling in step 4 to Pipeline Steel Plate and nickel-base alloy plate；
The different of multi-pass is carried out Step 4: the composite plate blank in step 3 after cooling treatment is sent into asynchronous rolling machine
Step rolling, obtaining length is 10000mm, width 800mm, with a thickness of 11.1mm nickel-base alloy/pipeline steel composite board, wherein nickel
Nickel-base alloy plate with a thickness of 1.1mm in based alloy/pipeline steel composite board；The total reduction of the asymmetrical rolling is 90%, often
The friction speed ratio of the asynchronous rolling machine of passage is 1.13.
The road number of asymmetrical rolling described in step 4 is 9 times, and the reduction ratio of 9 passages is followed successively by 10.9%, 21.4%,
28%, 28%, 29%, 23.1%, 26.6%, 20%, 14.1%；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 850 DEG C when asymmetrical rolling open rolling in step 4, asynchronous
Roll 960 DEG C of temperature of the nickel-base alloy plate surface of composite plate blank when open rolling；Composite plate when asymmetrical rolling finish to gauge
The temperature on the Pipeline Steel Plate surface of blank is 760 DEG C, when asymmetrical rolling finish to gauge the composite plate blank nickel-base alloy plate surface
Temperature be 900 DEG C, after rolling by nickel-base alloy/pipeline steel composite board water cooling to 600 DEG C it is air-cooled.
Nickel-base alloy manufactured in the present embodiment/pipeline steel composite board passes through ultrasonic examination and shear strength test: Ni-based
Alloy/pipeline steel composite board Percentage bound 100%, shear strength reaches 404MPa, is greater than specified in NB/T47002.2 standard
The requirement of 210MPa.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way.It is all according to invention skill
Art any simple modification, change and equivalence change substantially to the above embodiments, still fall within technical solution of the present invention
Protection scope in.
Claims (5)
1. a kind of big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method, which is characterized in that this method includes
Following steps:
Step 1: the nickel-base alloy plate as cladding and the Pipeline Steel Plate as base are welded into composite plate blanks by explosion
Material；The length of the nickel-base alloy plate is 1050mm~6100mm, and width is 550mm~2100mm, with a thickness of 2mm~12mm,
The length of the Pipeline Steel Plate is 1000mm~6000mm, and width is 500mm~2000mm, with a thickness of 16mm~200mm；
Step 2: composite plate blank obtained in step 1 is carried out smoothing process, it is subsequently placed in heating furnace and is heated to 1050
DEG C~1300 DEG C, and come out of the stove after keeping the temperature 2h~6.5h；
Step 3: the composite plate blank after coming out of the stove in step 2 carries out cooling treatment, so that the Pipeline Steel Plate of composite plate blank
The temperature on surface is down to 850 DEG C~1150 DEG C, make the temperature of the nickel-base alloy plate surface of composite plate blank be down to 1000 DEG C~
1250 DEG C, then composite plate blank is inwardly formed temperature gradient by two sides；The temperature on the Pipeline Steel Plate surface of the composite plate blank
Degree is less than the temperature of the nickel-base alloy plate surface of the composite plate blank；
Step 4: will be carried out in the composite plate blank feeding asynchronous rolling machine of formation temperature gradient after cooling treatment in step 3 more
The asymmetrical rolling of passage obtains length not less than 10000mm after cooling, width is 500mm~2000mm, with a thickness of 9mm~
The nickel-base alloy of 44mm/pipeline steel composite board, wherein in nickel-base alloy/pipeline steel composite board nickel-base alloy plate with a thickness of 1mm
~4mm；The nickel-base alloy/pipeline steel composite board shear strength is not less than 210MPa；The total reduction of the asymmetrical rolling
It is 50%~90%, the friction speed ratio of asynchronous rolling machine per pass is 1.05~1.30；
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 800 DEG C~1100 DEG C when asymmetrical rolling open rolling in step 4,
The temperature of the nickel-base alloy plate surface of the composite plate blank is 960 DEG C~1200 DEG C when asymmetrical rolling open rolling；Asymmetrical rolling is whole
The temperature on the Pipeline Steel Plate surface of the composite plate blank is 750 DEG C~950 DEG C when rolling, when asymmetrical rolling finish to gauge the composite plate
The temperature of the nickel-base alloy plate surface of blank is 900 DEG C~1100 DEG C.
2. a kind of big specification according to claim 1, thin cladding nickel-base alloy/pipeline steel composite board preparation method,
Be characterized in that, the trade mark of nickel-base alloy described in step 1 be UNSN06625, UNSN08825, UNSN06600 or
UNSN10276。
3. a kind of big specification according to claim 1, thin cladding nickel-base alloy/pipeline steel composite board preparation method,
It is characterized in that, the trade mark of pipe line steel described in step 1 is X56, X60, X65 or X70.
4. a kind of big specification according to claim 1, thin cladding nickel-base alloy/pipeline steel composite board preparation method,
It is characterized in that, the reduction ratio in step 4 per pass is 10%~30%.
5. a kind of big specification according to claim 1, thin cladding nickel-base alloy/pipeline steel composite board preparation method,
It is characterized in that, the Pipeline Steel Plate side of composite plate blank described in step 3 carries out spraying cooling, the composite plate by cooling water
The nickel-base alloy plate side of blank using natural cooling or carries out spraying cooling by cooling water.
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| CN107931327A (en) * | 2017-10-12 | 2018-04-20 | 武汉钢铁有限公司 | A kind of manufacture method of pipe line steel and stainless steel hot-rolling composite plate and application |
| CN109693072B (en) * | 2017-10-20 | 2021-02-23 | 鞍钢股份有限公司 | 825/X70/825 double-sided composite board and production method thereof |
| CN109694989B (en) * | 2017-10-20 | 2020-09-01 | 鞍钢股份有限公司 | 825/X70 nickel-based alloy composite plate and production method thereof |
| CN112222187B (en) * | 2020-09-22 | 2022-06-03 | 武汉科技大学 | Preparation method of high-impact-toughness nickel-based alloy composite material |
| CN112742869A (en) * | 2021-01-04 | 2021-05-04 | 南京钢铁股份有限公司 | Production process of wide N06625 nickel-based alloy steel plate |
| CN114193855A (en) * | 2021-07-20 | 2022-03-18 | 吕林 | Nickel-based alloy composite plate produced based on transition intermediate blank and preparation method thereof |
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