EP2553133A2 - Steel, flat steel product, steel component and method for producing a steel component - Google Patents
Steel, flat steel product, steel component and method for producing a steel componentInfo
- Publication number
- EP2553133A2 EP2553133A2 EP11711594A EP11711594A EP2553133A2 EP 2553133 A2 EP2553133 A2 EP 2553133A2 EP 11711594 A EP11711594 A EP 11711594A EP 11711594 A EP11711594 A EP 11711594A EP 2553133 A2 EP2553133 A2 EP 2553133A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- component
- content
- flat
- product
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 162
- 239000010959 steel Substances 0.000 title claims abstract description 162
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 21
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 15
- 238000003856 thermoforming Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000011253 protective coating Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 11
- 229910052710 silicon Inorganic materials 0.000 abstract description 10
- 229910052796 boron Inorganic materials 0.000 abstract description 7
- 229910052804 chromium Inorganic materials 0.000 abstract description 4
- 229910052748 manganese Inorganic materials 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 229910052758 niobium Inorganic materials 0.000 abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 24
- 238000000576 coating method Methods 0.000 description 19
- 239000011248 coating agent Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229910018134 Al-Mg Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 2
- 229910018467 Al—Mg Inorganic materials 0.000 description 2
- 229910018520 Al—Si Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910009369 Zn Mg Inorganic materials 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 229910007573 Zn-Mg Inorganic materials 0.000 description 1
- 229910007567 Zn-Ni Inorganic materials 0.000 description 1
- 229910007614 Zn—Ni Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- AQLMHYSWFMLWBS-UHFFFAOYSA-N arsenite(1-) Chemical compound O[As](O)[O-] AQLMHYSWFMLWBS-UHFFFAOYSA-N 0.000 description 1
- GCPXMJHSNVMWNM-UHFFFAOYSA-N arsenous acid Chemical group O[As](O)O GCPXMJHSNVMWNM-UHFFFAOYSA-N 0.000 description 1
- PALQHNLJJQMCIQ-UHFFFAOYSA-N boron;manganese Chemical compound [Mn]#B PALQHNLJJQMCIQ-UHFFFAOYSA-N 0.000 description 1
- 235000019577 caloric intake Nutrition 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical group 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000009466 transformation Effects 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Definitions
- the invention relates to a steel, a flat steel product, a steel component produced therefrom and a method for producing a steel component.
- hot-press hardened components typically have only a low ductility from MnB steels (A 80 : approx. 5 - 6%).
- body parts are made of so-called "tailored blanks". These are sheet metal blanks made from blanks
- a "tailored blank" is made available for the production of a B pillar of a car body, the area of which associated with the upper part of the B pillar consists of a 22MnB5 steel.
- the foot of the B-pillar In the foot of the B-pillar
- One eligible steel is H340LAD
- the regions consisting of the ductile material in the critical region of the respective component generally have to have a higher sheet thickness in order to be able to absorb the loads that are exerted on the component during normal operation. This in turn has a correspondingly higher weight for the overall component.
- Components as they are installed in particular in motor vehicle bodies to produce from a steel sheet material, in the high strength with good elongation properties
- a first development direction to meet this requirement is aimed at optimizing the manufacturing process.
- a steel grade with a martensitic structure and improved elongation at break should be able to be produced.
- An example of this procedure is described in EP 1 642 991 B1 and provides for a high and then a slower cooling rate until the martensite stop temperature is reached. In this way, a self-tempered martensite is produced, which has an improved elongation at break.
- An alternative development direction is the
- the flat steel product to be formed to the respective component is heated to a temperature lying between the A ci and the A c3 temperature at which the steel has a two-phase structure.
- the finished component has a lower martensite content and higher proportions of more ductile phases, such as ferrite or austenite, after cooling compared to conventionally austenitized and hardened components.
- Zn-based coating of the flat steel product is to be selected, from which the component is formed.
- the processed flat steel product is after
- the steel in question (in% by weight) 0.15 - 0.25% C, 1.0 - 1.5% Mn, 0.1 - 0.35% Si, max. 0.8% Cr, in particular 0.1-0.4% Cr, max. 0.1% Al, up to 0.05% Nb, in particular max. 0.03% Nb, up to 0.01% N, 0.01-0.07% Ti, ⁇ 0.05% P, especially ⁇ 0.03% P, ⁇ 0.03% S,> 0.0005 to ⁇ 0.008% B, in particular at least 0.0015% B, and the remainder
- the object of the invention was to provide a steel in which it is ensured with high reliability that a component manufactured from it has in each case high strength values and an increased elongation at break. Similarly, a flat steel product made using this steel, a steel component made therefrom, and an apparatus for making such
- the solution according to the invention of the abovementioned object is that such a steel component is designed according to claim 9.
- the invention is based on the recognition that, by selecting a suitable alloy and setting a suitable microstructure composition, it is possible to provide a steel which, after austenitization, thermoforming and hardening, has a high strength of at least 1000 MPa and an elongation at break Aso, in each case safely above 6%.
- the steel according to the invention contains (in% by weight) 0.15-0.40% C, 1.0-2.0% Mn, 0.2-1.6% Al, up to 1.4% Si, wherein the sum of the contents of Si and Al is 0.25 - 1.6%, up to 0.10% P, 0 - 0.03% S, up to 0.5% Cr, up to 1.0% Mo , up to 0.01% N, up to 2.0% Ni, 0.012-0.04 Nb, up to 0.40% Ti,
- An inventive flat steel product has
- At least one area which consists of a steel according to the invention. So can one
- steel according to the invention is produced, while another area is made of a different steel.
- the area produced by the steel according to the invention of the tailored blanks according to the invention forms on the finished, from the steel flat product produced steel component then a high-strength area in which a high strength combined with a good elongation at break. It is exactly like that
- a steel component according to the invention is correspondingly characterized in that it consists of a steel according to the invention at least in one region and that its structure in the region of the high-strength steel according to the invention is composed of arsenite, austenite and up to 20 area% ferrite.
- This flat steel product is then heated to a temperature of 780-950 ° C.
- the austenite content is thus adjusted to at least 80% in order to produce, after thermoforming, a steel according to the invention with a structure consisting of martensite, austenite and up to 20 area% of ferrite.
- the required hold time is typically 2 to 10 minutes.
- the flat steel product is usually transported to a thermoforming mold to be thermoformed there to become. Too strong during transport
- thermoforming itself can be carried out in a conventional manner as compression molding.
- the steel component After the hot forming, the steel component is cooled down so rapidly that the steel component obtained after cooling has a structure consisting of martensite,
- Austenite and up to 20 area% ferrite are in the range of at least 25 ° C / s.
- Hot forming and cooling can be carried out in one or two stages.
- the component according to the invention when the respective processed flat steel product has been austenitized within the abovementioned temperatures, the component according to the invention, after hot forming and accelerated cooling in the region consisting of a steel according to the invention, has a structure which is characterized by a combination of a hard phase ( Martensite) and at least one more ductile phase (austenite and ferrite).
- the ferrite content is predetermined by the invention
- Composition of the processed steel limited to 20 area%, as an improvement in the elongation values and a Increasing the energy absorption by austenite are preferred.
- austenite By the combination of martensite, austenite and a maximum of 20 area% ferrite are the mechanical
- the invention sought after is particularly safe
- the austenite content of the structure of the component according to the invention is at least 2 area%.
- the tensile strength of a component made from steel according to the invention should not be below 1000 MPa in the region of its high-strength range.
- the steel alloy according to the invention contains a C content of at least 0.15% by weight. In order at the same time to ensure sufficient welding suitability for practice, the C content of the steel according to the invention is limited to 0.4% by weight at the top.
- Microstructure is of particular importance for the alloying elements Mn, Si and Al of a steel used according to the invention, since they stabilize the austenite at room temperature.
- Austenitic agent by minimizing the Ac 3 temperature of the steel. The result is a fabric that after the
- Hot forming consists essentially of austenite and martensite.
- the Mn content is limited to a maximum of 2% by weight.
- Silicon is present in the steel of the present invention at levels of up to 1.4% by weight. It affects the hardenability and serves in the melting of the steel of the component according to the invention as a deoxidizer. At the same time, Si increases the yield strength, stabilizes the ferrite and the austenite at room temperature, and prevents unwanted
- the Si content of a steel of the present invention is limited to 1.4% by weight.
- Aluminum contributes to the stabilization of the ferrite and the austenite in the steel according to the invention similar to Si
- thermoformed structure preferably at least 2 area% stabilized in the thermoformed structure.
- Mo may be present in a steel of the invention at levels of up to 1.0% by weight.
- the presence of Mo promotes martensite formation and improves the toughness of the steel.
- a too high Mo content can be present in a steel of the invention at levels of up to 1.0% by weight.
- P can be used in amounts of up to 0.10 wt .-% to increase the yield strength and thus to secure the mechanical
- Precipitate formation eg of Ti carbonitrides.
- Ti binds N to TiN promoting the efficiency of B in terms of conversion behavior. This effect can be ensured by the Ti content of the steel according to the invention being the condition
- the boron present in the steel according to the invention stabilizes the mechanical properties for a wide temperature range of
- N stabilizes the austenite and increases the yield strength of a steel according to the invention. If de present in the alloy steel according to the invention is not completely bound by Ti, it reacts in combination with boron to boron nitrides. These boron nitrides cause a grain refining of the initial microstructure and thus a refining of the martensitic thermoformed microstructure. As a result, the susceptibility of a
- N is to be used in combination with B by the formation of boron nitrides for grain refining and strength increase, If necessary, the N content which is not bound to Ti can be adjusted in a targeted manner such that, in the case that applies to its Ti content
- Nb increases the yield strength by means of composite steel according to the invention
- Carbide precipitation and Austenitkornfeinung causes a fine arsenite structure, which has a high resistance to crack propagation.
- Nb precipitates may act as hydrogen traps, thereby reducing susceptibility to hydrogen-induced cracking.
- Ni in amounts of up to 2.0% by weight contributes to increasing the yield strength and the elongation at break.
- the S content of the steel of a component according to the invention is limited to max. 0.03 wt .-% limited because S a strong negative impact on the weldability and the Possibilities of surface refinement has. Also, this restriction is intended to make the formation of harmful,
- Ca may be added to the steel of this invention at levels of up to 0.0050% by weight to effect sulfide form control.
- Ca sulphides form which, in contrast to the otherwise possibly arising elongate MnS precipitates, promote a higher isotropy of the properties of the steel according to the invention.
- the steel component according to the invention may be coated on its free surface with a protective coating against oxidation. This is preferably already present on the flat steel product from which the component
- the protective cover can be designed so that it protects against scale formation during heating and thermoforming and / or corrosion during processing or in practical use.
- metallic, organic or inorganic coatings as well as combinations of these coatings can be used.
- the coating of the flat steel product can by
- Hot dip process advantageously be preceded by a pre-oxidation.
- an oxide layer which is 10-1000 nm thick is selectively produced on the flat steel product, with particularly good coating qualities resulting when the oxide layer is 70-500 nm thick.
- the setting of the oxide layer thickness takes place in one
- Oxidation chamber as for example from the
- WO 2007/124781 AI is known. Before immersion in the melt or before surface refinement, the iron oxide layer is reduced by hydrogen of the annealing atmosphere. It can on the surface and up to a depth of 10 ⁇ oxides of the alloying elements
- the electrolytic coating is particularly suitable for applying the respective coating. Especially good
- Coating material Zn, ZnFe, ZnMn, ZnNi systems or their combination can be used.
- PVD Physical Vapor Deposition
- CVD Chemical Vapor Deposition
- Coil coating plants in the coil coating, spraying or dipping method be appropriate.
- Typical thicknesses of the coatings which can be produced by the processes described here are in the range from 1 to 15 ⁇ m.
- the invention is based on
- the blanks consisting of the steels El-E6 and V are in the uncoated state warmed in each case to a temperature in the range of 880-925 ° C temperature, then placed in a thermoforming mold and then hot-formed into a component.
- each of the boards thermoformed components are each with A cooling rate of at least 25 ° C / s has been cooled to room temperature so quickly that hardened structures have formed in it.
- the samples were additionally subjected to a cathodic dip coating treatment including a 20 minute bake at 170 ° C.
- Test stamps have been charged.
- the "energy intake in the 3-point bending test” mentioned above is the energy uptake until it breaks. Likewise are in
- the components consisting of the steels El - E6 according to the invention have a consistently high residual deformation capacity characterized by a high value of the product of tensile strength R m and elongation A 80 and, consequently, high energy absorption capacity
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11711594T PL2553133T3 (en) | 2010-04-01 | 2011-04-01 | Steel, flat steel product, steel component and method for producing a steel component |
EP11711594.9A EP2553133B1 (en) | 2010-04-01 | 2011-04-01 | Steel, flat steel product, steel component and method for producing a steel component |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10158923A EP2374910A1 (en) | 2010-04-01 | 2010-04-01 | Steel, flat, steel product, steel component and method for producing a steel component |
PCT/EP2011/055117 WO2011121118A2 (en) | 2010-04-01 | 2011-04-01 | Steel, flat steel product, steel component and method for producing a steel component |
EP11711594.9A EP2553133B1 (en) | 2010-04-01 | 2011-04-01 | Steel, flat steel product, steel component and method for producing a steel component |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2553133A2 true EP2553133A2 (en) | 2013-02-06 |
EP2553133B1 EP2553133B1 (en) | 2014-08-27 |
Family
ID=42244674
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10158923A Withdrawn EP2374910A1 (en) | 2010-04-01 | 2010-04-01 | Steel, flat, steel product, steel component and method for producing a steel component |
EP11711594.9A Active EP2553133B1 (en) | 2010-04-01 | 2011-04-01 | Steel, flat steel product, steel component and method for producing a steel component |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10158923A Withdrawn EP2374910A1 (en) | 2010-04-01 | 2010-04-01 | Steel, flat, steel product, steel component and method for producing a steel component |
Country Status (12)
Country | Link |
---|---|
US (1) | US20120279621A1 (en) |
EP (2) | EP2374910A1 (en) |
JP (1) | JP5871901B2 (en) |
KR (1) | KR20130014520A (en) |
CA (1) | CA2780082A1 (en) |
DK (1) | DK2553133T3 (en) |
ES (1) | ES2524352T3 (en) |
MX (1) | MX2012007359A (en) |
PL (1) | PL2553133T3 (en) |
PT (1) | PT2553133E (en) |
UA (1) | UA108091C2 (en) |
WO (1) | WO2011121118A2 (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2719788B1 (en) * | 2011-06-10 | 2016-11-02 | Kabushiki Kaisha Kobe Seiko Sho | Hot press molded article, method for producing same, and thin steel sheet for hot press molding |
DE102013004905A1 (en) | 2012-03-23 | 2013-09-26 | Salzgitter Flachstahl Gmbh | Zunderarmer tempered steel and process for producing a low-dispersion component of this steel |
WO2014027682A1 (en) | 2012-08-15 | 2014-02-20 | 新日鐵住金株式会社 | Steel sheet for hot pressing use, method for producing same, and hot press steel sheet member |
DE102012111118B3 (en) * | 2012-11-19 | 2014-04-03 | Wisco Tailored Blanks Gmbh | Method of laser welding one or more hardenable steel workpieces in the butt joint |
JP5942841B2 (en) * | 2012-12-21 | 2016-06-29 | 新日鐵住金株式会社 | Hot stamping molded body excellent in strength and hydrogen embrittlement resistance and method for producing hot stamping molded body |
EP2754603B1 (en) * | 2013-01-10 | 2017-07-19 | Volvo Car Corporation | Method, vehicle reinforcement & vehicle |
EP2886332B1 (en) | 2013-12-20 | 2018-11-21 | ThyssenKrupp Steel Europe AG | Flat steel product, and method of producing a component of a motor vehicle body and of a motor vehicle body. |
EP3088544A4 (en) | 2013-12-27 | 2017-07-19 | Nippon Steel & Sumitomo Metal Corporation | Hot-pressed steel sheet member, production method for same, and steel sheet for hot pressing |
WO2015097891A1 (en) | 2013-12-27 | 2015-07-02 | 新日鐵住金株式会社 | Hot-pressed steel sheet member, production method for same, and hot-press steel sheet |
DE102014001979A1 (en) * | 2014-02-17 | 2015-08-20 | Wisco Tailored Blanks Gmbh | Method of laser welding one or more hardenable steel workpieces in the butt joint |
CN104404367B (en) * | 2014-12-10 | 2016-08-31 | 东北大学 | A kind of high-strength high-plasticity cold-rolled low carbon steel and preparation method thereof |
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-
2011
- 2011-01-04 UA UAA201209615A patent/UA108091C2/en unknown
- 2011-04-01 US US13/519,916 patent/US20120279621A1/en not_active Abandoned
- 2011-04-01 PL PL11711594T patent/PL2553133T3/en unknown
- 2011-04-01 KR KR1020127024639A patent/KR20130014520A/en not_active Application Discontinuation
- 2011-04-01 PT PT117115949T patent/PT2553133E/en unknown
- 2011-04-01 CA CA2780082A patent/CA2780082A1/en not_active Abandoned
- 2011-04-01 ES ES11711594.9T patent/ES2524352T3/en active Active
- 2011-04-01 WO PCT/EP2011/055117 patent/WO2011121118A2/en active Application Filing
- 2011-04-01 DK DK11711594.9T patent/DK2553133T3/en active
- 2011-04-01 MX MX2012007359A patent/MX2012007359A/en not_active Application Discontinuation
- 2011-04-01 JP JP2013501863A patent/JP5871901B2/en not_active Expired - Fee Related
- 2011-04-01 EP EP11711594.9A patent/EP2553133B1/en active Active
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JP2013527312A (en) | 2013-06-27 |
KR20130014520A (en) | 2013-02-07 |
WO2011121118A2 (en) | 2011-10-06 |
UA108091C2 (en) | 2015-03-25 |
US20120279621A1 (en) | 2012-11-08 |
WO2011121118A3 (en) | 2012-02-02 |
DK2553133T3 (en) | 2014-12-08 |
MX2012007359A (en) | 2012-08-01 |
ES2524352T3 (en) | 2014-12-05 |
JP5871901B2 (en) | 2016-03-01 |
EP2553133B1 (en) | 2014-08-27 |
PL2553133T3 (en) | 2015-03-31 |
EP2374910A1 (en) | 2011-10-12 |
PT2553133E (en) | 2014-11-27 |
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