CN104379791B - A kind of containing manganese steel and production method thereof - Google Patents
A kind of containing manganese steel and production method thereof Download PDFInfo
- Publication number
- CN104379791B CN104379791B CN201380030742.2A CN201380030742A CN104379791B CN 104379791 B CN104379791 B CN 104379791B CN 201380030742 A CN201380030742 A CN 201380030742A CN 104379791 B CN104379791 B CN 104379791B
- Authority
- CN
- China
- Prior art keywords
- production method
- manganese steel
- containing manganese
- temperature
- rolling
- 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.)
- Expired - Fee Related
Links
- 229910000617 Mangalloy Inorganic materials 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010936 titanium Substances 0.000 claims abstract description 17
- 239000010955 niobium Substances 0.000 claims abstract description 16
- 239000011572 manganese Substances 0.000 claims abstract description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 14
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011574 phosphorus Substances 0.000 claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 8
- 239000011593 sulfur Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 32
- 238000000137 annealing Methods 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 26
- 238000005098 hot rolling Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000009749 continuous casting Methods 0.000 claims description 16
- 238000005097 cold rolling Methods 0.000 claims description 12
- 229910001566 austenite Inorganic materials 0.000 claims description 7
- 238000005554 pickling Methods 0.000 claims description 6
- 229910001563 bainite Inorganic materials 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- 230000003811 curling process Effects 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 12
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005275 alloying Methods 0.000 abstract description 9
- 229910052720 vanadium Inorganic materials 0.000 abstract description 9
- 229910000937 TWIP steel Inorganic materials 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 17
- 239000012071 phase Substances 0.000 description 13
- 229910000734 martensite Inorganic materials 0.000 description 12
- 230000009466 transformation Effects 0.000 description 10
- 239000002244 precipitate Substances 0.000 description 9
- 239000013078 crystal Substances 0.000 description 5
- 230000000717 retained effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 229910000794 TRIP steel Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a kind of containing manganese steel and production method thereof, the described following components that includes by mass percentage containing manganese steel: carbon 0.2 1.0%, manganese 5 15%, aluminum 0.02 1.0%, phosphorus < 0.025%, sulfur < 0.025%, nitrogen < 0.03%, silicon 0.03 2%；Further, at least one alloying element following is also included: titanium 0.01 1.2%, niobium 0.01 1.2%, vanadium 0.01 1.2%；Surplus is ferrum element.Using such scheme, the invention provides the steel with TWIP Yu TRIP effect, relative to existing TWIP steel, its manganese content is low, has the advantage of high intensity, high-ductility and low cost, has the highest market using value.
Description
Technical field
The present invention relates to Ferrous Metallurgy, in particular, a kind of containing manganese steel and production method thereof.
Background technology
Develop in recent years potassium steel deformation twin induction high-ductility (Twinning Induced Plasticity,
TWIP) steel, produces deformation twin in deformation process and has TWIP effect, thus have good
Mechanical performance, as having high-strength high-plasticity simultaneously, is suitable for manufacturing automotive field loss of weight and reducing gas
Discharging unit for discharging, its shortcoming is that high Mn content can cause crackle in course of hot rolling to produce in a large number, and, by
It is noble metal in manganese, thus increases production cost simultaneously.
Phase-change induced plastic (Transformation of Retained Austenite Induced Plasticity,
TRIP) steel is in deformation process, occurs martensitic phase transformation to have TRIP effect, and retained austenite is to horse
Family name's body changes, and increases intensity and the plasticity of this steel grade.This steel grade has preferably processing hardening energy simultaneously
Power, has preferable stress distribution and a good deep drawability, higher work hardening capacity and higher
Mechanical strength make the energy absorption capability that this steel grade had, improve collision performance, its shortcoming is
Yield strength and tensile strength are not high enough, and elongation percentage is also not as good as TWIP steel, and comprehensive process hardening ratio is not
As TWIP steel is high.
Therefore, it is necessary to produce the steel with TWIP Yu TRIP effect.
Summary of the invention
The technical problem to be solved is to provide a kind of new containing manganese steel and production method thereof, with
Time there is TWIP Yu TRIP effect.
Technical scheme is as follows: a kind of containing manganese steel, and it includes following components by mass percentage:
Carbon 0.2-1.0%, manganese 5-15%, aluminum 0.02-1.0%, phosphorus < 0.025%, sulfur < 0.025%, nitrogen < 0.03%,
Silicon 0.03-2%；Further, at least one alloying element following is also included: titanium 0.01-1.2%, niobium
0.01-1.2%, vanadium 0.01-1.2%；Surplus is ferrum element.
Preferably, described containing in manganese steel, the gross mass percentage ratio of described alloying element is less than 2%.Institute
State containing in manganese steel, such as, comprise the titanium of 0.1%, the niobium of 0.5% and the vanadium of 0.63%；And for example, bag
Titanium containing 1.1% and the niobium of 0.8%, and for example, comprise the niobium of 1.0% and the vanadium of 0.2%.Titanium, niobium, vanadium
Oeverall quality percentage ratio be 0.01-2%.
Preferably, described containing in manganese steel, there are under room temperature austenite, bainite, ferrite matrix etc.
Phase.
The another technical scheme of the present invention is, a kind of production method containing manganese steel, and it comprises the following steps:
S1, continuous casting billet are heated to 1050 DEG C to 1300 DEG C in heating furnace, carry out hot rolling, the end of described hot rolling
Roll temperature at 800 DEG C to 1000 DEG C；S2, carry out in the continuous annealing furnace of 850 DEG C to 950 DEG C critical
District makes annealing treatment；S3, curling process at temperature is less than 700 DEG C；S4, at 200 DEG C to 400 DEG C
At a temperature of carry out the warm-rolling that deflection is 10%-50%；S5, carry out the cold rolling of deflection 10%-50%；
S6, carry out more than 600 DEG C of temperature continuous annealing process.
Preferably, in described production method, put step S2, S3 mutually.
Preferably, in described production method, in step S1, described continuous casting billet is placed on the heating of 1200 DEG C
Stove heats 1 hour.
Preferably, in described production method, in step S1, described hot rolling finishing temperature is 900 DEG C.
Preferably, in described production method, in step S3, the temperature of described curling is 650 DEG C.
Preferably, in described production method, in step S4, at 300 DEG C, carry out 20%-40% rolling
The warm-rolling of amount.
Preferably, in described production method, after step S4, also perform pickling processes.
Use such scheme, the invention provides the steel with TWIP Yu TRIP effect, phase
For existing TWIP steel, its manganese content is low, has the excellent of high intensity, high-ductility and low cost
Gesture, has the highest market using value.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of production method of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of containing manganese steel, it includes following components by mass percentage: carbon 0.2-1.0%, manganese 5-15%,
Aluminum 0.02-1.0%, phosphorus < 0.025%, sulfur < 0.025%, nitrogen < 0.03%, silicon 0.03-2%；Further, also
Including at least one alloying element following: titanium 0.01-1.2%, niobium 0.01-1.2%, vanadium 0.01-1.2%；
Surplus is ferrum element.Such as, carbon (C): 0.2-1.0%, when carbon content is less than 0.2%, easily produces
Raw martensite, easily cracks in continuous casting and the operation of rolling and the plasticity of steel grade has declined, work as carbon
When content is higher than 1.0%, stacking fault energy increases sharply, and the deformation mechanism of material is by martensitic phase transformation and deformation
Twin becomes dislocation movement by slip；In other words, when carbon content is higher than 1.0%, stacking fault energy increases sharply, material
Material deformation process will not produce martensitic phase transformation, the most do not possess TRIP effect.Preferably, carbon content
Be 0.5 to 0.8%.Manganese (Mn): 5-15%, Fe content is in 5-15% scope, and Fe content is more than 15%
Time, crackle in course of hot rolling can be caused to produce in a large number, owing to manganese is noble metal, if the content of manganese is too
Height then increases production cost.Preferably, Fe content is 8 to 12%.Aluminum (Al): 0.02-1.0%, aluminum
The content of element should control at 0.02-1.0%, owing to aluminium element is ferritic stabilizer, increases aluminum
Content improves the plasticity of material, increases the stacking fault energy of material simultaneously；Preferably, aluminum content be 0.1 to
0.85%.< 0.025%, < 0.025%, P elements and element sulphur are all harmful units to sulfur (S) to phosphorus (P)
Element, it should control below 0.025%.Nitrogen (< 0.03%), nitrogen element and aluminium element are formed between metal
Compound AlxNy with crystal grain thinning, can improve intensity and the plasticity of material, when nitrogen element content exceedes
Substantial amounts of intermetallic compound AlxNy can be produced when 0.04% and deteriorate formability and the elongation percentage etc. of material
Material physical property.Silicon (Si) 0.03-2%, element silicon is strong deoxidant element, simultaneously works as solid solution strong
The effect changed, can improve yield strength and the tensile strength of material, when its mass fraction is more than 2%,
The attribute of material will be reduced, and produce substantial amounts of oxide skin(coating) at material surface in the hot rolling,
Acid cleaning process afterwards cannot be removed.Preferably, silicone content is 0.1 to 1.7%.Further, possibly together with
At least one alloying element below: titanium (Ti): 0.01-1.2%, niobium (Nb): 0.01-1.2%, vanadium (V):
0.01-1.2%, titanium (Ti), niobium (Nb), three kinds of elements of vanadium (V) they are that precipitate forms element, with
Carbon, nitrogen element form carbon nitrogen precipitate, crystal grain thinning, improve the yield strength of material, this
At least using one of which element to form precipitate in bright, titanium (Ti) mass fraction controls at 0.01-1.2%,
When its mass fraction is less than 0.01%, vanadium (V) controls below 1.2%, and total mass fraction controls
Less than 2%, precipitate amount is very few, and precipitate strengthening DeGrain, when mass fraction is more than 1.2% shape
Substantial amounts of precipitate is become to deteriorate the plasticity of material.Such as, the size Control of precipitate is in 15 nanometers-200
Ran, the strengthening effect of precipitate is the most obvious.Preferably, the size Control of precipitate is 50
Nanometer is to 100 nanometers.Remaining is ferrum element.Preferably, possibly together with molybdenum (Mo) 0.01-1.2%, need
It is noted that ratio involved by various embodiments of the present invention, if no special instructions, is percent mass
Ratio.
Preferably, described containing in manganese steel, the gross mass percentage ratio of described alloying element is less than 2%.
Preferably, described containing in manganese steel, there are under room temperature austenite, bainite, ferrite matrix etc.
Phase, is multi-phase Steels.
As it is shown in figure 1, another embodiment of the present invention is, a kind of production method containing manganese steel, its
The High-strength high-plasticity low cost medium managese steel with TWIP Yu TRIP effect can be produced；Should
Production method comprises the following steps.
S1, continuous casting billet are heated to 1050 DEG C to 1300 DEG C in heating furnace, carry out hot rolling, described hot rolling
Finishing temperature at 800 DEG C to 1000 DEG C；Such as, described continuous casting billet is placed on 1050 DEG C to 1300 DEG C
Heating furnace heats 0.8 to 1.5 hour.And for example, described continuous casting billet adds in being placed on the heating furnace of 1200 DEG C
Heat 1 hour.Preferably, described hot rolling finishing temperature is 900 DEG C.Preferably, matter pressed by described continuous casting billet
Amount percentage ratio include following components: carbon>0.2%, manganese>5%, aluminum>0.02%, phosphorus<0.025%, sulfur
<0.025%, nitrogen<0.03%, silicon>0.03%；Further, at least one alloying element following is also included:
Titanium > 0.01%, niobium > 0.01% and/or vanadium > 0.01%；Surplus is ferrum element.Such as, described continuous casting billet is pressed
Mass percent includes following components: carbon 0.2-1.0%, manganese 5-15%, aluminum 0.02-1.0%, phosphorus < 0.025%,
Sulfur < 0.025%, nitrogen < 0.03%, silicon 0.03-2%；Further, at least one alloying element following is also included:
Titanium 0.01-1.2%, niobium 0.01-1.2%, vanadium 0.01-1.2%；Surplus is ferrum element.
Such as, continuous casting billet is heated to 1050 DEG C to 1250 DEG C in heating furnace, temperature more than 1250 DEG C,
Crystal grain is grown up, and casting billet surface forms oxide and will reduce the intensity of this steel grade, and the heating containing manganese steel is super simultaneously
Crossing 125 DEG C, strand column crystal crystal boundary produces liquid phase, can crack in course of hot rolling.Heat temperature simultaneously
Degree cannot be below 1050 DEG C, it is impossible to the hot rolling finishing temperature of operation after enforcement, and increases warm rolling stage
Burden so that the difficulty being rolled down to thickness in advance increases.
S2, in the continuous annealing furnace of 850 DEG C to 950 DEG C, carry out intercritical annealing process.
S3, curling process at temperature is less than 700 DEG C；Such as, the temperature of described curling is 650 DEG C.
One embodiment is, in described production method, puts step S2, S3 mutually.It is to say, step S2,
The execution sequence of S3 is exchanged.Coiling temperature not can exceed that 700 DEG C, more than 700 DEG C, and hot rolled plate top layer shape
Become thick oxide, be difficult to be removed at pickling process.
S4, at a temperature of 200 DEG C to 400 DEG C, carry out the warm-rolling that deflection is 10% to 50%；Containing manganese steel
During carrying out deflection 10%-50% rolling (warm-rolling) at a temperature of 200 DEG C-400 DEG C, one can be produced
Determine the deformation twin of density.Preferably, at 300 DEG C, carry out the warm-rolling of 20% to 40% amount of rolling.
Warm-rolling temperature is at 200 DEG C-400 DEG C, and temperature is the highest or the lowest all can make stacking fault energy not exist
The scope of 10kJ/m-35kJ/m so that deformation twin will not be produced during rolling deformation.Preferably,
In described production method, after step S4, also perform pickling processes.Pickling, removes because hot rolling causes
Show oxide skin(coating), then carry out cold rolling, according to the final mechanics of product, carry out deflection
The cold-rolled process of 10%-50%, improves the yield strength of steel.
S5, carry out the cold rolling of deflection 10% to 50%.
S6, carry out more than 600 DEG C of temperature continuous annealing process.Cold rolling rear continuous annealing processes 600
Carrying out on DEG C, when critical zone, continuous annealing temperature is too low, is difficult to obtain preferable working ability.Due to
Martensitic phase transformation will not occur under high temperature, process in continuous annealing and can use for reference tradition higher than recrystallization temperature
Make annealing treatment on degree, it is thus achieved that higher thermal working ability.
Use above-mentioned steps, it is possible to make yield strength and exceed more than 700MPa, hot strength
950MPa, elongation percentage be 20%-50% containing manganese steel.
One example is, this production process containing manganese steel is: heating furnace homogenize process, hot rolling, face
Battery limit (BL) annealing, curling, warm-rolling, cold rolling, continuous annealing process.Such as, first continuous casting billet exists
Heating furnace carries out high temperature homogenization process, then carries out hot rolling, and next carries out intercritical annealing process,
Then it is crimped, subsequently carries out warm-rolling, subsequently carry out cold rolling, finally carry out critical zone continuous
Annealing.
Another example is, continuous casting billet is placed in the heating furnace of 1200 DEG C heating 1 hour, then carries out
Hot rolling, hot rolling finishing temperature is 900 DEG C, carries out continuous annealing process in the continuous annealing furnace of 850 DEG C,
Coiling temperature is 650 DEG C, and warm-rolling temperature carries out 20%-40% amount of rolling at 300 DEG C, then carries out pickling
Process, finally carry out deflection be 10% cold rolling, move back continuously in the continuous annealing furnace of 850 DEG C
Fire processes, and on cold rolling base, sampling carries out traditional unidimentional stretch experiment and surrounds and watches the sign of tissue, cold
Roll the stretching of drawn samples.
Another example is, continuous casting billet is placed in the heating furnace of 1250 DEG C heating 0.9 hour, then enters
Row hot rolling, hot rolling finishing temperature is 950 DEG C, carries out at continuous annealing in the continuous annealing furnace of 900 DEG C
Reason, coiling temperature is 680 DEG C, and warm-rolling temperature carries out 22%-43% amount of rolling at 320 DEG C, then carries out
Acid cleaning process, finally carry out deflection be 20% cold rolling, carry out even in the continuous annealing furnace of 750 DEG C
Continuous annealing.
Another example is, continuous casting billet is placed in the heating furnace of 1080 DEG C heating 1.3 hours, then enters
Row hot rolling, hot rolling finishing temperature is 830 DEG C, carries out at continuous annealing in the continuous annealing furnace of 920 DEG C
Reason, coiling temperature is 660 DEG C, and warm-rolling temperature carries out 21%-39% amount of rolling at 240 DEG C, then carries out
Acid cleaning process, finally carry out deflection be 40% cold rolling, carry out even in the continuous annealing furnace of 790 DEG C
Continuous annealing.
Another example is, performs following steps: (A) continuous casting billet is heated to 1050 DEG C in heating furnace
To 1300 DEG C, then carrying out hot rolling technology, hot rolling finishing temperature is at 800 DEG C to 1000 DEG C, and curling is warm
Degree not can exceed that 700 DEG C；(B) continuous annealing furnace of 850 DEG C-950 DEG C is carried out at intercritical annealing
Reason；(C) rolling that deflection is 10%-50% is carried out at a temperature of 200 DEG C-400 DEG C；(D) deflection
10%-50%'s is cold rolling；(E) continuous annealing more than 600 DEG C of temperature processes.
According to metal material fault energy computing formula, above-mentioned each example containing the fault under manganese steel material room temperature
Can be at 5-2mJ/m2, it is ensured that in material deformation process at normal temperatures, there is martensitic phase transformation, remaining difficult to understand
Family name's body, to martensite transfor mation, produces TRIP effect, and the stacking fault energy under 200 DEG C of-400 DEG C of high temperature exists
25-40mJ/m2, it is ensured that under the conditions of this temperature range warm-rolling, material deformation process is by martensitic phase break-in
Deformation twin changes, and produces TWIP effect, and warm-rolling terminates to produce the deformation twin of certain density.
Use the various embodiments described above, it is possible to obtain intensity and exceed more than 950Mpa, yield strength
850Mpa, elongation percentage more than 40% containing manganese steel, it has high crash energy absorption ability；Under room temperature
It is organized as the phases such as retained austenite, bainite, ferrite matrix；Further, deformation process meeting under room temperature
Producing martensitic phase transformation, retained austenite is to martensite transfor mation.Microstructure finds certain density
Deformation twin, finds martensite, shows that sample draw-texture process is sent out in microstructure after stretcher strain
Having given birth to martensitic phase transformation, the steel of this performance meets the automobile requirement by high crash energy absorption.
Compared with TWIP steel purely, the various embodiments described above provided containing manganese steel, manganese is greatly decreased
Content, aluminum content and silicone content, reduce cost of material and production cost, and surface quality also obtains raising,
Relatively the former decreases for yield strength, tensile strength, elongation percentage.Compared with TRIP steel purely, because of
For deformation process produces deformation twin, improve work hardening rate and the plasticity of steel, compared to TRIP steel,
Its intensity and plasticity are all greatly improved.
Further, embodiments of the invention are it is also possible that a kind of containing manganese steel, and it uses arbitrary above-mentioned
Prepared by production method, it includes following components by mass percentage: carbon 0.2-1.0%, manganese 5-15%, aluminum
0.02-1.0%, phosphorus < 0.025%, sulfur < 0.025%, nitrogen < 0.03%, silicon 0.03-2%；Further, also wrap
Include at least one alloying element following: titanium 0.01-1.2%, niobium 0.01-1.2%, vanadium 0.01-1.2%；Remaining
Amount is ferrum element.
Further, embodiments of the invention it is also possible that each technical characteristic of the various embodiments described above,
Be mutually combined formation containing manganese steel, and the production method containing manganese steel, and use this producer legal system
Standby containing manganese steel.
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, formed the most enumerated above
Various embodiments, are accordingly to be regarded as the scope that description of the invention is recorded；Further, to ordinary skill
For personnel, can be improved according to the above description or be converted, and all these modifications and variations are all
The protection domain of claims of the present invention should be belonged to.
Claims (8)
1. the production method containing manganese steel, it is characterised in that described production method is:
S1, continuous casting billet are placed in the heating furnace of 1200 DEG C heating 1 hour, carry out hot rolling, described hot rolling
Finishing temperature at 800 DEG C to 1000 DEG C；
S2, in the continuous annealing furnace of 850 DEG C to 950 DEG C, carry out intercritical annealing process；
S3, curling process at temperature is less than 700 DEG C；
S4, at a temperature of 200 DEG C to 400 DEG C, carry out the warm-rolling that deflection is 10%-50%；
S5, carry out the cold rolling of deflection 10%-50%；
S6, carry out more than 600 DEG C of temperature continuous annealing process；
The chemical composition of described continuous casting billet is: carbon 0.5-0.8%, manganese 8-12%, aluminum 0.1-0.85%, phosphorus
< 0.025%, sulfur < 0.025%, nitrogen < 0.03%, silicon 0.1-1.7%, titanium 1.1-1.2% and niobium 0.8-1.2%；
Surplus is ferrum element.
Production method containing manganese steel the most according to claim 1, it is characterised in that described titanium and
The gross mass percentage ratio of niobium is less than 2%.
Production method containing manganese steel the most according to claim 1, it is characterised in that have under room temperature
There are austenite, bainite, ferrite matrix.
Production method containing manganese steel the most according to claim 1, it is characterised in that put step mutually
S2 and S3.
Production method containing manganese steel the most according to claim 1, it is characterised in that step S1
In, described hot rolling finishing temperature is 900 DEG C.
Production method containing manganese steel the most according to claim 1, it is characterised in that step S3
In, the temperature of described curling is 650 DEG C.
Production method containing manganese steel the most according to claim 1, it is characterised in that step S4
In, at 300 DEG C, carry out the warm-rolling of 20%-40% amount of rolling.
Production method containing manganese steel the most according to claim 1, it is characterised in that step S4
Afterwards, pickling processes is also performed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/087912 WO2015077932A1 (en) | 2013-11-27 | 2013-11-27 | Manganese steel and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104379791A CN104379791A (en) | 2015-02-25 |
| CN104379791B true CN104379791B (en) | 2016-11-09 |
Family
ID=52557530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380030742.2A Expired - Fee Related CN104379791B (en) | 2013-11-27 | 2013-11-27 | A kind of containing manganese steel and production method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104379791B (en) |
| WO (1) | WO2015077932A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160281196A1 (en) * | 2015-03-25 | 2016-09-29 | Nano And Advanced Materials Institute Limited | High Strength Dual-Phase TRIP Steel and Method for Making Same |
| CN105256229B (en) * | 2015-10-29 | 2017-05-10 | 中北大学 | High-nitrogen nanometer bainite steel and preparing method thereof |
| CN109790611A (en) * | 2016-08-24 | 2019-05-21 | 香港大学 | Dual phase steel and its manufacturing method |
| CN106498292B (en) * | 2016-10-31 | 2018-10-23 | 东北大学 | One kind is containing manganese automotive sheet in V, Ti and Nb and preparation method thereof |
| CN108929992B (en) * | 2017-05-26 | 2020-08-25 | 宝山钢铁股份有限公司 | Hot-dip medium manganese steel and manufacturing method thereof |
| CN108929991B (en) * | 2017-05-26 | 2020-08-25 | 宝山钢铁股份有限公司 | Hot-dip plated high manganese steel and manufacturing method thereof |
| CN107574376A (en) * | 2017-09-07 | 2018-01-12 | 北京科技大学 | A kind of high manganese TWIP/TRIP effects symbiosis steel of high strength and low cost plastotype and preparation method thereof |
| CN111321351B (en) * | 2020-04-23 | 2021-07-27 | 东北大学 | High-strength high-plasticity two-stage warm-rolling medium manganese steel and preparation method thereof |
| CN111893393B (en) * | 2020-08-20 | 2021-11-23 | 山东华星新材料科技有限公司 | Mo-Ti alloy wear-resistant medium manganese steel and preparation method thereof |
| WO2022068201A1 (en) * | 2020-10-02 | 2022-04-07 | The University Of Hong Kong | Strong and ductile medium manganese steel and method of making |
| CN114438421B (en) * | 2020-10-19 | 2022-11-25 | 中国石油化工股份有限公司 | Phase-change induced plasticity steel, and preparation method and application thereof |
| CN112410681B (en) * | 2020-11-26 | 2022-07-26 | 燕山大学 | High-strength-ductility medium manganese steel and preparation method thereof |
| DE102021101267A1 (en) * | 2021-01-21 | 2022-07-21 | Salzgitter Flachstahl Gmbh | Process for producing a formed component from a steel plate and use of such a component |
| CN114703417B (en) * | 2022-04-11 | 2022-12-02 | 常州大学 | Method for preparing superfine-grain high-toughness medium manganese steel based on TWIP effect and microalloy precipitation |
| CN117551937A (en) * | 2023-11-17 | 2024-02-13 | 齐鲁工业大学(山东省科学院) | High-strength plastic product Fe-Mn-Al-Nb medium manganese steel and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478907A (en) * | 2002-08-30 | 2004-03-03 | 上海宝钢集团公司 | Submicron crystalline grain steel plate separated out nanometer and its manufacturing method |
| CN102199721A (en) * | 2010-03-25 | 2011-09-28 | 宝山钢铁股份有限公司 | High-silicon non-oriented cold-rolled sheet, and manufacture method thereof |
| CN102828109A (en) * | 2012-09-17 | 2012-12-19 | 辽宁科技大学 | Metastable-state phase-change plastification ultra-fine grain high-intensity plastic product steel and production method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5884153B2 (en) * | 2010-12-28 | 2016-03-15 | Ｊｆｅスチール株式会社 | High strength electrical steel sheet and manufacturing method thereof |
| KR101329925B1 (en) * | 2011-08-26 | 2013-11-14 | 주식회사 포스코 | High manganese steel having good adhesiveness of coating layer and method for manufacturing galvanized steel therefrom |
| CN102304664A (en) * | 2011-09-13 | 2012-01-04 | 北京科技大学 | High strength and high plasticity aluminum-containing medium manganese transformation-induced plasticity (TRIP) cold-rolled steel plate and preparation method thereof |
-
2013
- 2013-11-27 CN CN201380030742.2A patent/CN104379791B/en not_active Expired - Fee Related
- 2013-11-27 WO PCT/CN2013/087912 patent/WO2015077932A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478907A (en) * | 2002-08-30 | 2004-03-03 | 上海宝钢集团公司 | Submicron crystalline grain steel plate separated out nanometer and its manufacturing method |
| CN102199721A (en) * | 2010-03-25 | 2011-09-28 | 宝山钢铁股份有限公司 | High-silicon non-oriented cold-rolled sheet, and manufacture method thereof |
| CN102828109A (en) * | 2012-09-17 | 2012-12-19 | 辽宁科技大学 | Metastable-state phase-change plastification ultra-fine grain high-intensity plastic product steel and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104379791A (en) | 2015-02-25 |
| WO2015077932A1 (en) | 2015-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104379791B (en) | A kind of containing manganese steel and production method thereof | |
| CN104593675A (en) | Preparation method of metal material with TWIP (twinning induced plasticity) and TRIP (transformation of retained austenite induced plasticity) effects | |
| CN101889100B (en) | High carbon steel sheet superior in tensile strength and elongation and method for manufacturing the same | |
| CN104532129B (en) | Galvanization-free high-strength and plasticity cold-rolled stainless steel plate for automobile and manufacturing method of galvanization-free high-strength and plasticity cold-rolled stainless steel plate | |
| CN105483531A (en) | Steel for stamping formation and forming component and heat treatment method thereof | |
| CN105063510B (en) | High-plasticity 700 MPa cold-rolled weather-proof dual-phase steel and preparation method thereof | |
| CN108486494B (en) | The production method of vanadium micro-alloying 1300MPa grade high-strength hot rolled steel plate and cold-rolled biphase steel plate | |
| CN102839329B (en) | Cold-rolling double-phase-steel steel plate with tensile strength of 450 MPa, and preparation method thereof | |
| CN103103438B (en) | High-strength and high-plasticity medium manganese cold-roll steel sheet and manufacturing method thereof | |
| CN105274432A (en) | 600 MPa-grade high-yield-ratio high-plasticity cold-rolled steel plate and manufacturing method thereof | |
| CN103429766A (en) | Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel | |
| MX2014009993A (en) | Cold-rolled steel sheet and manufacturing method for same. | |
| CN103320701B (en) | A kind of ferrite-bainite AHSS plate and manufacture method thereof | |
| CN102965568B (en) | Phase toughness Low Alloy Steel Plate and preparation method thereof | |
| CN108754319A (en) | Using the tensile strength >=1800MPa grades of hot forming steel and method of the production of ESP producing lines | |
| CN105132818B (en) | Structural steel with yield strength being over 630 MPa for buildings and preparing method of structural steel | |
| US9580781B2 (en) | Process for making cold-rolled dual phase steel sheet | |
| JP6907320B2 (en) | High-strength steel sheets with excellent high-temperature elongation characteristics, warm press-formed members, and their manufacturing methods | |
| CN105950970B (en) | Tough automobile steel of a kind of compound bainite high-strength of Ultra-fine Grained and preparation method thereof | |
| CN101058863A (en) | Hot-rolled low-silicon multiphase steel and preparation method thereof | |
| CN101580916A (en) | High-strength high-plasticity twinning-induced plasticity steel and manufacturing method thereof | |
| JP2024511848A (en) | Low-carbon, low-alloy, highly formable duplex steel with tensile strength ≧590MPa, hot-dip galvanized duplex steel, and manufacturing method thereof | |
| CN103469090A (en) | Annealing method of ultrahigh-strength hot-forming steel | |
| CN107058866A (en) | Ferrito-martensite cold-rolled biphase steel and preparation method thereof | |
| JP2015124442A (en) | Steel material for pressure vessel excellent in low temperature toughness and hydrogen sulfide stress corrosion cracking resistance, method for producing the same, and method for producing deep-drawn product therefrom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160831 Address after: 266000 Licang, Qingdao, No. nine East water road, No. 320, No. Applicant after: QINGDAO YULANXIANG BUSINESS SERVICE CO., LTD. Address before: 518000 Futian District, Shenzhen, Bagua Road No. 612, building 12, building 5, building two Applicant before: He Lili |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Shoucun Inventor after: Wang Baofu Inventor before: He Lili |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170630 Address after: 256217 Qingyang village, Qingyang Town, Zouping County, Binzhou, Shandong Patentee after: Zouping Yongtong metal material Co. Ltd. Address before: 266000 Licang, Qingdao, No. nine East water road, No. 320, No. Patentee before: QINGDAO YULANXIANG BUSINESS SERVICE CO., LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manganese-containing steel and production method therefor Effective date of registration: 20180307 Granted publication date: 20161109 Pledgee: Zouping Pudong Development Bank and Limited by Share Ltd Pledgor: Zouping Yongtong metal material Co. Ltd. Registration number: 2018370000039 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20191127 |