CN109835013A - A kind of high-strength wearable clad steel plate and its manufacturing method - Google Patents
A kind of high-strength wearable clad steel plate and its manufacturing method Download PDFInfo
- Publication number
- CN109835013A CN109835013A CN201711215632.XA CN201711215632A CN109835013A CN 109835013 A CN109835013 A CN 109835013A CN 201711215632 A CN201711215632 A CN 201711215632A CN 109835013 A CN109835013 A CN 109835013A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- layer
- strength wearable
- clad steel
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Heat Treatment Of Steel (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a kind of high-strength wearable clad steel plates comprising substrate layer and single or double are compound in the composite layer on substrate layer；The substrate layer is carbon steel layer, and the composite layer is medium managese steel layer, and the content of Mn element is 5.00~10.00wt.% in the composite layer.In addition, the invention also discloses a kind of manufacturing methods of above-mentioned high-strength wearable clad steel plate, comprising steps of carbon steel layer slab and medium managese steel laminate base is made in (1)；(2) assembly；(3) heat: heating temperature is 1150-1250 DEG C, keeps the temperature 1-3 hours；(4) composite rolling: start rolling temperature is 1120~1220 DEG C, and finishing temperature is 1050~1200 DEG C, controls reduction ratio >=50%；(5) roller repairing.High-strength wearable clad steel plate strong hardness of the present invention is high, toughness is good, high-wearing feature, excellent combination property.
Description
Technical field
The present invention relates to a kind of steel plate and its manufacturing method more particularly to a kind of high-strength wearable clad steel plate and its manufacturers
Method.
Background technique
Potassium steel work hardening capacity under low, middle impact wear stress condition, which plays deficiency, keeps its wearability lower.With
Potassium steel is compared, and for medium managese steel in impact loading hour, processing setting rate is fast, and the stabilization that can quickly form high rigidity is hard
Change layer, the ability of Impact Abrasive Wear Resistance increases substantially, but cannot apply since its own strong hardness is lower and need load-bearing
Key structure wearing piece on, be easily deformed in actual application and lead to component failure.In general, medium managese steel is using casting
Mode produces, however, that there are inside ingots is of poor quality, defect is more, the shortcomings that easily cracking in use process, and substantially drops
The service life of low product increases use cost, is unfavorable for product marketing.
Based on this, it is expected that obtaining a kind of steel plate, the steel plate is compound with low-alloy high-strength steel by potassium steel, and material both can be improved
The strong hardness of material, and to avoid severely deformed defect occurs in medium managese steel loading process the steel plate can substantially be mentioned
The comprehensive performance of high material increases the materials'use service life.
Summary of the invention
One of the objects of the present invention is to provide a kind of high-strength wearable clad steel plate, the high-strength wearable clad steel plate strong hardness
Height, toughness are good, and wear-resisting property is excellent, and excellent combination property is with a wide range of applications.
To achieve the goals above, the invention proposes a kind of high-strength wearable clad steel plates comprising substrate layer and single side
Or the two-sided composite layer being compound on substrate layer；The substrate layer is carbon steel layer, and the composite layer is medium managese steel layer, described compound
The content of Mn element is 5.00~10.00wt.% in layer.
In technical solutions according to the invention, the high-strength wearable clad steel plate obtained using Rolling compund mode makes it
Both the excellent mechanical property with substrate layer (such as strong hardness is high), avoids before composite layer processing hardening that strong hardness is lower, holds
Easily-deformable disadvantage, and the high abrasion feature of composite layer has been played, so that clad steel plate has excellent comprehensive performance, it is beneficial to
Extensive use in engineering.
In addition, advantageously reducing composite layer (medium managese steel) steel plate thickness using Rolling compund, material utilization amount is reduced, reduces material
Expect cost.
Further, in high-strength wearable clad steel plate of the present invention, the chemical element quality hundred of the carbon steel layer
Divide ratio are as follows:
C:0.10~0.25wt.%；Si:0.10~1.00wt.%；Mn:0.40~2.00wt.%；Cr:0.01~
2.00wt.%；Mo:0.01~1.00wt.%；Ni:0.01~2.00wt.%；Nb:0.001~0.080wt.%；B:0.0005
~0.0040wt.%；Al:0.010~0.080wt.%；
Surplus is Fe and other inevitable impurity.
The design principle of each chemical element of carbon steel layer in high-strength wearable clad steel plate described in this case is as described below:
C: carbon is most basic, most important element in abrasion-resistant stee, and the intensity of steel is improved by solution strengthening and precipitation strength
And hardness, but the mass percent of carbon excessively can then reduce toughness and plasticity.Therefore, compound in high-strength wearable of the present invention
The mass percent of the C of carbon steel layer is controlled 0.10~0.25% in steel plate.
Si: the silicon of appropriate mass percent is to be formed together to be easy to float with calcium, aluminium in steel beneficial to deoxidier in steel
Calcium aluminium silicate field trash improves purity of steel.Silicon is solid-solubilized in the hardness and strength that them are improved in ferrite and austenite,
However when the mass percent of silicon is excessively high, the toughness that will lead to steel sharply declines, therefore, in high-strength wearable of the present invention
The mass percent of the Si of carbon steel layer is controlled in clad steel plate 0.10~1.00%.
Mn: in technical solutions according to the invention, addition Mn is conducive to improve the harden ability of steel, thus, by the matter of Mn
Percentage control is measured 0.40~2.00%.
Cr: the harden ability of steel can be improved in chromium, and improves the intensity and hardness of steel.In addition, chromium tempering when can prevent or
The precipitation and aggregation for slowing down carbide, can be improved steel belt roof bolt stability.Thus, it is compound in high-strength wearable of the present invention
The mass percent of the Cr of carbon steel layer is controlled in steel plate 0.01~2.00%.
Mo: molybdenum can refine crystal grain, improve hardness of steel and toughness.Meanwhile molybdenum is the element for reducing temper brittleness, Ke Yiti
Height tempering is stablized.Thus, the mass percent of the Mo of carbon steel layer is controlled in high-strength wearable clad steel plate of the present invention
0.01~1.00%.
Ni: nickel has the function of being substantially reduced Cold Brittleness Transition Temperature, but the mass percent of nickel excessively high easily leads to steel plate table
Surface oxidized skin is difficult to fall off, and adds excessive nickel and production cost is dramatically increased.Thus, control height of the present invention
The Ni mass percent of the carbon steel layer of strong Wear-Resistant Compound Steel Plate is 0.01~2.00%.
Nb: niobium improves the intensity and toughness of steel by crystal grain refinement, thus, in technical solutions according to the invention, control
The mass percent of the Nb of carbon steel layer processed is 0.001~0.080%.
B: boron increase steel harden ability, but boron mass percent it is excessively high will lead to hot-short phenomenon, influence the weldability of steel
Therefore energy and hot-working character control the mass percent of the B of carbon steel layer in high-strength wearable clad steel plate of the present invention
0.0005~0.0040%.
Al: aluminium and nitrogen in steel can form the AlN particle of tiny indissoluble, refine the crystal grain of steel.In addition, aluminium can refine the crystalline substance of steel
Grain fixes nitrogen and oxygen in steel, mitigates steel and reduces or eliminates the aging phenomenon of steel to the sensibility of notch, and improves the tough of steel
Property, therefore, controlled in high-strength wearable clad steel plate of the present invention the mass percent of the Al of carbon steel layer 0.010~
0.080%.
It should be noted that the performance that the impurity in high-strength wearable clad steel plate of the present invention is unfavorable for steel plate mentions
It rises, while can also reduce the quality and its service life of steel plate, be produced into however, the control of impurity will sternly be significantly increased excessively
This.In summary consider, in high-strength high hard clad steel plate of the present invention for example to the inevitable impurity of carbon steel layer
P, S, N, H and O control exists: P < 0.030%；S < 0.010%；N≤0.0080%；O≤0.0080%；H≤0.0004%.
Further, in high-strength wearable clad steel plate of the present invention, the chemical element of the carbon steel layer also has 0
At least one of < V≤0.080wt.% and 0 < Ti≤0.060wt.%.
Further, in high-strength wearable clad steel plate of the present invention, each chemical element in the carbon steel layer is also
Meet following various at least one: 0.20%≤(Cr/5+Mn/6+50B)≤0.55%, 0.10%≤(Mo/3+Ni/5
+ 2Nb)≤0.42% and 0.02%≤(Al+Ti)≤0.12%.
In the above formulas, each element represents the mass percentage of corresponding element.
Further, in high-strength wearable clad steel plate of the present invention, the microstructure of the carbon steel layer is geneva
Body+retained austenite.
Further, in high-strength wearable clad steel plate of the present invention, the tensile strength of the carbon steel layer >=
1200MPa, elongation percentage >=14%, Brinell hardness >=400HB, -40 DEG C of Charpy V-type impact of collision function >=60J.
Further, in high-strength wearable clad steel plate of the present invention, the chemical element quality of the medium managese steel layer
Percentage are as follows:
C:0.80~1.50wt.%；Si:0.20~1.50wt.%；Mn:5.00~10.00wt.%；Cr:0.01~
3.00wt.%；Mo:0.01~1.00wt.%；Ti≤0.060%；Al:0.010~0.080wt.%；Surplus is Fe and can not
The impurity avoided.
The following institute of the design principle of each chemical element of medium managese steel layer in high-strength wearable clad steel plate described in this case
It states:
C: carbon is most basic, most important element in abrasion-resistant stee, and the intensity of steel is improved by solution strengthening and precipitation strength
And hardness, controlled in high-strength wearable clad steel plate of the present invention the mass percent of carbon in medium managese steel layer 0.80~
1.50%.
Si: appropriate silicon is to be formed together the calcium aluminium silicate folder for being easy to float in steel with calcium aluminium in steel beneficial to deoxidier
Sundries improves purity of steel.Silicon is solid-solubilized in the hardness and strength that them are improved in ferrite and austenite, however the quality of silicon
The excessively high toughness that will lead to steel of percentage sharply declines.Thus, in the medium managese steel of high-strength wearable clad steel plate of the present invention
The mass percent of Si is controlled in layer 0.20~1.50%.
Mn: manganese improves the harden ability of steel, controls Mn in the medium managese steel layer of high-strength high hard clad steel plate of the present invention
Mass percent 5.00~10.00%.
Cr: the harden ability of steel can be improved in chromium, and improves the intensity and hardness of steel.Chromium can prevent or slow down carbon in tempering
The precipitation and aggregation of compound, can be improved steel belt roof bolt stability.Thus, in high-strength wearable clad steel plate of the present invention
The mass percent of Cr is controlled in medium managese steel layer 0.01~3.00%.
Mo: molybdenum can refine crystal grain, improve hardness of steel and toughness.Meanwhile molybdenum is the element for reducing temper brittleness, Ke Yiti
Height tempering is stablized.Thus, for the mass percent of Mo in the medium managese steel layer of high-strength wearable clad steel plate of the present invention
Control is 0.01~1.00%.
Ti: titanium is one of carbide, forms subtle TiC particle with carbon.TiC particle is tiny, is distributed in
Crystal boundary achievees the effect that refine crystal grain, the wearability of harder TiC particle raising steel.Thus, of the present invention high-strength resistance to
It grinds and controls the mass percent of Ti in the medium managese steel layer of clad steel plate in Ti≤0.060%.
Al: aluminium and nitrogen in steel can form the AlN particle of tiny indissoluble, refine the crystal grain of steel.Aluminium can refine the crystal grain of steel, Gu
Determine the nitrogen and oxygen in steel, mitigates steel and the aging phenomenon of steel is reduced or eliminated to the sensibility of notch, and improve the toughness of steel.Cause
And in technical solutions according to the invention, the mass percent of the Al in medium managese steel layer is controlled 0.010~0.08%.
In addition, it should be noted that, can not keep away to medium managese steel layer in high-strength wearable clad steel plate of the present invention
The impurity exempted from such as P, S control exists: P < 0.030%；S < 0.010%.
Further, in high-strength wearable clad steel plate of the present invention, the microstructure of the medium managese steel layer is Austria
Family name's body.
Further, in high-strength wearable clad steel plate of the present invention, the tensile strength of the medium managese steel layer >=
500MPa, elongation percentage >=15%, Brinell hardness are >=180HB, the U-shaped impact of collision function >=50J of -40 DEG C of Charpy.
Correspondingly, another object of the present invention is to provide a kind of manufacturing method of above-mentioned high-strength wearable clad steel plate,
The strong hardness of steel plate is not only being enhanced using manufacturing method Wear-Resistant Compound Steel Plate obtained, but also there is high abrasion and high-ductility
Property, steel plate excellent combination property.
To achieve the goals above, the invention proposes a kind of manufacturing method of above-mentioned high-strength wearable clad steel plate, packets
Include step:
(1) carbon steel layer slab and medium managese steel laminate base is made；
(2) assembly；
(3) heat: heating temperature is 1150-1250 DEG C, keeps the temperature 1-3 hours；
(4) composite rolling: start rolling temperature is 1120~1220 DEG C, and finishing temperature is 1050~1200 DEG C, controls reduction ratio
>=50%；
(5) roller repairing.
The manufacturing method of the present invention the step of in (1), the preparation of carbon steel layer slab and medium managese steel laminate base both may be used
It, can also be using molding to use continuous casting.In some preferred embodiments, when continuous casting, continuous casting drawing speed is controlled, is guaranteed
Continuous casting drawing speed≤1.0m/min reaches the uniform good effect of surface quality of slab internal component.In other implementations
In mode, when molding, static ingot need to be rolled into plate slab, then use slow cooling velocity, avoid martensite transfor mation
Cause to crack.
In addition, can be pre-processed to carbon steel layer slab and medium managese steel laminate base before assembly, for example, using using
Mechanical Method carries out the cleaning of monoplanar surface iron scale to each slab, then carries out retaining wall on slope to the four edges of single side cleaning, by table
The slab that face was cleared up, cleaning are placed in face of cleaning face.
When using manufacturing method step (2) of the present invention, closing is welded to connect after being bonded by slab, in edge
Vacuum passage is left and taken, extraction vacuum processing is carried out to the compound assembly after welded seal.
The heating and temperature control used in step (3) is because equal the on the one hand can be made between 1150 DEG C~1250 DEG C
Two-phase particle such as V (C, N) dissolves, and Ti (C, N) is partly dissolved, in the case where guaranteeing that austenite grain is not grown up
Obtain uniform austenitizing tissue.
In addition, in addition to the slab heating temperature of plate in rate-determining steps (3) and retention time with guarantee slab smoothly roll with
Outside, each temperature of the operation of rolling and deflection are the important parameters for guaranteeing steel-plate shape and performance in step (4), wherein control is opened
Rolling temperature is 1120~1220 DEG C, and finishing temperature is 1050~1200 DEG C, rolls rear steel plate direct water-cooling or air-cooled rear acquisition is uniform
Tissue.
Further, in manufacturing method of the present invention, the step (5) is using cooling by water to room temperature -300
DEG C, cooling velocity >=10 DEG C/s.
Further, in manufacturing method of the present invention, the step (5) is cooled to room temperature using air-cooled, then
It carries out step (6): out-line quenching.
Further, in manufacturing method of the present invention, in the step (6), hardening heat is 1050~1100
DEG C, soaking time is (1.5 × t) min, and wherein t indicates that plate thickness, unit parameter are mm.
High-strength wearable clad steel plate of the invention has a characteristic that compared with prior art
1, it is chemically seen on ingredient, the alloying component of high-strength wearable clad steel plate of the present invention is with low conjunction in middle low-carbon
Based on gold, refinement, the Enhance feature of microalloy element such as Mn, Cr, Mo, Nb, Ti are made full use of, it is good to guarantee that steel plate has
Mechanical property etc..
2, from production technology, technical solutions according to the invention carry out complex group by carbon steel layer and medium managese steel layer
Base, by the control to technological parameter, it is thin to improve tissue for the control of especially split, finishing temperature, reduction ratio and cooling velocity
Change, strengthening effect, and then reduce carbon and alloying element content, so that it is very excellent to obtain mechanical property and welding performance etc.
Steel plate.In addition, manufacturing method of the present invention also has production procedure short, high-efficient, energy saving, at low cost feature.
3, from properties of product, high-strength wearable clad steel plate of the present invention, carbon steel layer has high-intensitive, high hard
Degree, high tenacity, carbon steel layer mechanical property: tensile strength >=1200MPa, yield strength >=1000MPa, elongation percentage >=14%, cloth
Family name's hardness >=400HB, -40 DEG C of Charpy V-type impact of collision function >=60J；Medium managese steel layer mechanical property: hardness >=180HB, tension are strong
Degree >=500MPa, elongation percentage >=13%, the U-shaped impact of collision function >=40J of -40 DEG C of Charpy.
4, from microstructure, high-strength wearable clad steel plate of the present invention, make full use of alloying element to add with
And process regulation carbon steel layer obtains martensite+retained austenite or martensite+bainite+retained austenite, medium managese steel layer
For austenite structure.Due to the larger difference of ingredient between carbon steel layer and medium managese steel layer, in heating of plate blank, rolling and heat treated
There is production of chemicals between new C, Mn, Cr and Mo in journey at compound interface, is beneficial to improve strong steel plate, hardness and wear-resisting property
And improve the bond strength of carbon steel layer and medium managese steel layer.
5, high-strength wearable clad steel plate of the present invention, in suitable component system and heating, rolling and heat treatment work
Under skill, given full play to the advantage of carbon steel layer and medium managese steel layer: due to carbon steel layer have ultra-high strength and toughness, when medium managese steel layer by
When impacting processing hardening, the deformation of integral plate is prevented, the high-wear resistance of medium managese steel layer can be given full play to, it is highly beneficial
In practical application.
In short, high-strength wearable clad steel plate of the present invention has obvious advantage, controls carbon and alloying element contains
The amount and obtained steel plate of each heat treatment process is at low cost, simple process, strong hardness are high, toughness is good, high-wearing feature, is suitable for each
Kind mechanical equipment easy-abrasion part.
Specific embodiment
Below in conjunction with specific embodiments to high-strength wearable clad steel plate of the present invention and its manufacturing method do into
The explanation and illustration of one step, however should explanation and description do not unduly limit the technical scheme of the present invention.
Embodiment 1-10
Table 1-1 and table 1-2 lists each chemistry member in the carbon steel layer in the high-strength wearable clad steel plate of embodiment 1-10
The percent mass proportioning of element.
Table 1-1. (wt%, surplus are Fe and the other impurities element other than S, P, N, H and O)
Table 1-2. (wt%, surplus are Fe and the other impurities element other than S, P, N, H and O)
Table 2 lists the quality of each chemical element in the medium managese steel layer in the high-strength wearable clad steel plate of embodiment 1-10
Per distribution ratio.
Table 2. (wt%, surplus are Fe and the other impurities element other than S, P)
| C | Si | Mn | P | S | Cr | Mo | Ti | Al | Microstructure | |
| Embodiment 1 | 0.8 | 0.45 | 10 | 0.013 | 0.003 | 1.25 | 0.55 | 0.011 | 0.033 | Austenite |
| Embodiment 2 | 0.85 | 0.35 | 9.5 | 0.01 | 0.008 | 0.65 | 0.41 | 0.008 | 0.031 | Austenite |
| Embodiment 3 | 1.1 | 0.45 | 9 | 0.008 | 0.005 | 1.52 | 0.33 | 0.019 | 0.017 | Austenite |
| Embodiment 4 | 0.9 | 0.31 | 8.5 | 0.011 | 0.005 | 0.85 | 0.01 | 0.001 | 0.025 | Austenite |
| Embodiment 5 | 0.95 | 0.45 | 7.9 | 0.01 | 0.004 | 1.56 | 0.36 | 0.033 | 0.033 | Austenite |
| Embodiment 6 | 1 | 0.50 | 7.2 | 0.008 | 0.005 | 0.67 | 0.01 | 0.001 | 0.048 | Austenite |
| Embodiment 7 | 1.05 | 0.33 | 6.3 | 0.009 | 0.003 | 1.61 | 0.01 | 0.028 | 0.056 | Austenite |
| Embodiment 8 | 1.1 | 0.45 | 6 | 0.01 | 0.003 | 0.56 | 0.01 | 0.001 | 0.041 | Austenite |
| Embodiment 9 | 1.35 | 0.28 | 5.5 | 0.009 | 0.003 | 0.01 | 0.25 | 0.011 | 0.033 | Austenite |
| Embodiment 10 | 1.5 | 0.44 | 5 | 0.01 | 0.003 | 0.39 | 0.33 | 0.001 | 0.035 | Austenite |
The high-strength high hard clad steel plate of embodiment 1-10 is made using following step:
(1) it is smelted according to table 1-1, table 1-2 and table 2, carbon steel layer slab and medium managese steel laminate base is made；
(2) assembly；
(3) heat: heating temperature is 1150-1250 DEG C, keeps the temperature 1-3 hours；
(4) composite rolling: start rolling temperature is 1120~1220 DEG C, and finishing temperature is 1050~1200 DEG C, controls reduction ratio
>=50%；
(5) roller repairing；
It should be noted that -300 DEG C are cooled to room temperature when step (5) use cooling by water, cooling velocity >=10 DEG C/
s；It when step (5) are cooled to room temperature using air-cooled, needs then to carry out step (6): out-line quenching, wherein hardening heat is
1050~1100 DEG C, soaking time is (1.5 × t) min, and wherein t indicates that steel plate plate thickness, unit parameter are mm.
Table 3 lists the specific process parameter of the high-strength wearable clad steel plate of embodiment 1-10 in each step.
Table 3.
Mechanics Performance Testing is carried out to the high-strength wearable clad steel plate sampling of embodiment 1-10, test result is listed in table 4, table
5。
Table 4 lists the carbon steel layer mechanical property parameters of the high-strength wearable clad steel plate of embodiment 1-10.
Table 4.
Table 5 lists the medium managese steel layer mechanical property parameters of the high-strength wearable clad steel plate of embodiment 1-10.
Table 5.
In conjunction with table 4 and table 5 as can be seen that the high-strength wearable clad steel plate of each embodiment, carbon steel layer have high-intensitive, high hard
Degree, high tenacity, carbon steel layer mechanical property: tensile strength >=1200MPa, yield strength >=1000MPa, elongation percentage >=14%, cloth
Family name's hardness >=400HB, -40 DEG C of Charpy V-type impact of collision function >=60J；Medium managese steel layer mechanical property: hardness >=180HB, tension are strong
Degree >=500MPa, elongation percentage >=13%, the U-shaped impact of collision function >=40J of -40 DEG C of Charpy.
It should be noted that prior art part is not limited to given by present specification in protection scope of the present invention
Embodiment, all prior arts not contradicted with the solution of the present invention, including but not limited to first patent document, formerly
Public publication, formerly openly use etc., it can all be included in protection scope of the present invention.
In addition, in this case in the combination of each technical characteristic and unlimited this case claim documented combination or
It is combination documented by specific embodiment, all technical characteristics that this case is recorded can be freely combined in any way
Or combine, unless generating contradiction between each other.
It is also to be noted that embodiment enumerated above is only specific embodiments of the present invention.The obvious present invention is not
Above embodiments are confined to, the similar variation or deformation made therewith are that those skilled in the art can be from present disclosure
It immediately arrives at or is easy to just to associate, be within the scope of protection of the invention.
Claims (13)
1. a kind of high-strength wearable clad steel plate comprising substrate layer and single or double are compound in the composite layer on substrate layer；Its
It is characterized in that, the substrate layer is carbon steel layer, and the composite layer is medium managese steel layer, and the content of Mn element is in the composite layer
5.00~10.00wt.%.
2. high-strength wearable clad steel plate as described in claim 1, which is characterized in that the chemical element quality hundred of the carbon steel layer
Divide ratio are as follows:
C:0.10~0.25wt.%；Si:0.10~1.00wt.%；Mn:0.40~2.00wt.%；Cr:0.01~
2.00wt.%；Mo:0.01~1.00wt.%；Ni:0.01~2.00wt.%；Nb:0.001~0.080wt.%；B:0.0005
~0.0040wt.%；Al:0.010~0.080wt.%；Surplus is Fe and other inevitable impurity.
3. high-strength wearable clad steel plate as described in claim 1, which is characterized in that the chemical element of the carbon steel layer also has
At least one of 0 < V≤0.080wt.% and 0 < Ti≤0.060wt.%.
4. high-strength wearable clad steel plate as described in claim 1, which is characterized in that each chemical element in the carbon steel layer is also
Meet following various at least one:
0.20%≤(Cr/5+Mn/6+50B)≤0.55%；
0.10%≤(Mo/3+Ni/5+2Nb)≤0.42%；
0.02%≤(Al+Ti)≤0.12%.
5. high-strength wearable clad steel plate as described in claim 1, which is characterized in that the microstructure of the carbon steel layer is geneva
Body+retained austenite.
6. high-strength wearable clad steel plate as described in claim 1, which is characterized in that the tensile strength of the carbon steel layer >=
1200MPa, elongation percentage >=14%, Brinell hardness >=400HB, -40 DEG C of Charpy V-type impact of collision function >=60J.
7. the high-strength wearable clad steel plate as described in any one of claim 1-6, which is characterized in that the medium managese steel layer
Chemical element mass percent are as follows:
C:0.80~1.50wt.%；Si:0.20~1.50wt.%；Mn:5.00~10.00wt.%；Cr:0.01~
3.00wt.%；Mo:0.01~1.00wt.%；Ti≤0.060%；Al:0.010~0.080wt.%；Surplus is Fe and can not
The impurity avoided.
8. high-strength wearable clad steel plate as claimed in claim 7, which is characterized in that the microstructure of the medium managese steel layer is Austria
Family name's body.
9. high-strength wearable clad steel plate as claimed in claim 7, which is characterized in that the tensile strength of the medium managese steel layer >=
500MPa, elongation percentage >=13%, Brinell hardness are >=180HB, the U-shaped impact of collision function >=50J of -40 DEG C of Charpy.
10. the manufacturing method of the high-strength wearable clad steel plate as described in any one of claim 1-9, which is characterized in that packet
Include step:
(1) carbon steel layer slab and medium managese steel laminate base is made；
(2) assembly；
(3) heat: heating temperature is 1150-1250 DEG C, keeps the temperature 1-3 hours；
(4) composite rolling: start rolling temperature is 1120~1220 DEG C, and finishing temperature is 1050~1200 DEG C, control reduction ratio >=
50%；
(5) roller repairing.
11. the manufacturing method of high-strength wearable clad steel plate as claimed in claim 10, which is characterized in that the step (5) is adopted
With cooling by water to -300 DEG C of room temperature, cooling velocity >=10 DEG C/s.
12. the manufacturing method of high-strength wearable clad steel plate as claimed in claim 10, which is characterized in that the step (5) is adopted
It is cooled to room temperature with air-cooled, then carries out step (6): out-line quenching.
13. the manufacturing method of high-strength wearable clad steel plate as claimed in claim 12, which is characterized in that in the step (6)
In, hardening heat is 1050~1100 DEG C, and soaking time is (1.5 × t) min, and wherein t indicates that plate thickness, unit parameter are mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215632.XA CN109835013B (en) | 2017-11-28 | 2017-11-28 | High-strength wear-resistant composite steel plate and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215632.XA CN109835013B (en) | 2017-11-28 | 2017-11-28 | High-strength wear-resistant composite steel plate and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109835013A true CN109835013A (en) | 2019-06-04 |
| CN109835013B CN109835013B (en) | 2021-03-12 |
Family
ID=66880936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711215632.XA Active CN109835013B (en) | 2017-11-28 | 2017-11-28 | High-strength wear-resistant composite steel plate and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109835013B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106327A (en) * | 2020-01-13 | 2021-07-13 | 宝山钢铁股份有限公司 | High corrosion-resistant strip steel and manufacturing method thereof |
| CN113246552A (en) * | 2021-04-12 | 2021-08-13 | 中国科学院力学研究所 | Metastable multiphase configuration laminated composite steel and preparation method thereof |
| CN113522972A (en) * | 2020-04-21 | 2021-10-22 | 宝山钢铁股份有限公司 | Production process of stainless steel composite board with corrosion-resistant surface |
| CN113829697A (en) * | 2020-06-24 | 2021-12-24 | 宝山钢铁股份有限公司 | Multilayer composite cold-rolled steel plate and manufacturing method thereof |
| WO2022199079A1 (en) * | 2021-03-24 | 2022-09-29 | 钢铁研究总院 | 2000 mpa-grade ultrahigh-strength steel with high uniform elongation, and preparation method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146997A (en) * | 2013-03-28 | 2013-06-12 | 宝山钢铁股份有限公司 | Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof |
| CN105239015A (en) * | 2015-10-27 | 2016-01-13 | 天津威尔朗科技有限公司 | High-carbon medium-magnesium abrasion resisting steel and hot rolled plate manufacturing method |
| CN105499269A (en) * | 2015-12-14 | 2016-04-20 | 宝山钢铁股份有限公司 | Dual-hardness clad steel plate and production method thereof |
| CN105543649A (en) * | 2015-12-14 | 2016-05-04 | 宝山钢铁股份有限公司 | Three-layer composite steel plate and manufacturing method thereof |
| KR101758567B1 (en) * | 2016-06-23 | 2017-07-17 | 주식회사 포스코 | Clad steel sheet having superior strength and formability, and method for manufacturing the same |
-
2017
- 2017-11-28 CN CN201711215632.XA patent/CN109835013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146997A (en) * | 2013-03-28 | 2013-06-12 | 宝山钢铁股份有限公司 | Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof |
| CN105239015A (en) * | 2015-10-27 | 2016-01-13 | 天津威尔朗科技有限公司 | High-carbon medium-magnesium abrasion resisting steel and hot rolled plate manufacturing method |
| CN105499269A (en) * | 2015-12-14 | 2016-04-20 | 宝山钢铁股份有限公司 | Dual-hardness clad steel plate and production method thereof |
| CN105543649A (en) * | 2015-12-14 | 2016-05-04 | 宝山钢铁股份有限公司 | Three-layer composite steel plate and manufacturing method thereof |
| KR101758567B1 (en) * | 2016-06-23 | 2017-07-17 | 주식회사 포스코 | Clad steel sheet having superior strength and formability, and method for manufacturing the same |
Non-Patent Citations (2)
| Title |
|---|
| 丁桦主编: "《材料成形金属学》", 31 December 2016, 北京：冶金工业出版社 * |
| 候利锋等编著: "《磨材料理论与生产实践》", 30 September 2017 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106327A (en) * | 2020-01-13 | 2021-07-13 | 宝山钢铁股份有限公司 | High corrosion-resistant strip steel and manufacturing method thereof |
| CN113106327B (en) * | 2020-01-13 | 2022-06-24 | 宝山钢铁股份有限公司 | High corrosion-resistant strip steel and manufacturing method thereof |
| CN113522972A (en) * | 2020-04-21 | 2021-10-22 | 宝山钢铁股份有限公司 | Production process of stainless steel composite board with corrosion-resistant surface |
| CN113522972B (en) * | 2020-04-21 | 2023-02-14 | 宝山钢铁股份有限公司 | Production process of stainless steel composite plate with corrosion-resistant surface |
| CN113829697A (en) * | 2020-06-24 | 2021-12-24 | 宝山钢铁股份有限公司 | Multilayer composite cold-rolled steel plate and manufacturing method thereof |
| CN113829697B (en) * | 2020-06-24 | 2022-12-16 | 宝山钢铁股份有限公司 | Multilayer composite cold-rolled steel plate and manufacturing method thereof |
| WO2022199079A1 (en) * | 2021-03-24 | 2022-09-29 | 钢铁研究总院 | 2000 mpa-grade ultrahigh-strength steel with high uniform elongation, and preparation method therefor |
| CN113246552A (en) * | 2021-04-12 | 2021-08-13 | 中国科学院力学研究所 | Metastable multiphase configuration laminated composite steel and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109835013B (en) | 2021-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101065509B (en) | High strength steel sheet and method for production thereof | |
| TWI412609B (en) | High strength steel sheet and method for manufacturing the same | |
| CN109835013A (en) | A kind of high-strength wearable clad steel plate and its manufacturing method | |
| WO2016082669A1 (en) | Low-alloy high-strength high-tenacity steel panel and method for manufacturing same | |
| CN104388821B (en) | TiC particulate reinforcement type heterogeneous structure high-ductility wear-resisting steel plate and manufacture method | |
| EP2154262A1 (en) | Abrasion-resistant steel sheet having excellent processability, and method for production thereof | |
| CN109835014A (en) | A kind of high-strength and high ductility Wear-Resistant Compound Steel Plate and its manufacturing method | |
| CN105483539B (en) | A kind of enhanced austenite abrasion-proof steel plate of ultra-hard particles and its manufacture method | |
| US20230125540A1 (en) | Tempering-free wear-resistant hot rolled strip and method for producing same | |
| CN103146997A (en) | Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof | |
| CN103205634A (en) | Low-alloy high-hardness wear-resistant steel plate and manufacturing method thereof | |
| WO2021104417A1 (en) | Carbon steel and austenitic stainless steel rolling clad plate and manufacturing method therefor | |
| KR20140129365A (en) | Low density steel with good stamping capability | |
| CN101910440A (en) | Wire rods having superior strength and ductility for drawing and method for manufacturing the same | |
| EP3730656A1 (en) | Wear-resistant steel having excellent hardness and impact toughness, and method for producing same | |
| CN107130172B (en) | 400HBW grades of Brinell hardness whole constrictive type high tenacity easily weld special thick wear-resisting steel plate and its manufacturing method | |
| JP2021523301A (en) | High-strength double-sided stainless steel clad plate and its manufacturing method | |
| JP3543619B2 (en) | High toughness wear-resistant steel and method of manufacturing the same | |
| WO2023087833A1 (en) | High-strength steel with good weather resistance and manufacturing method therefor | |
| KR100836699B1 (en) | Die steel | |
| CN108728728A (en) | A kind of potassium steel and its manufacturing method with extremely low yield tensile ratio | |
| JP3738003B2 (en) | Steel for case hardening excellent in cold workability and properties of preventing coarse grains during carburizing and method for producing the same | |
| CN113692456B (en) | Ultrahigh-strength steel sheet having excellent shear workability and method for producing same | |
| JP4697844B2 (en) | Manufacturing method of steel material having fine structure | |
| CN104651735A (en) | Low-alloy wear-resistant steel with toughness being more than 50J/cm<2> and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |