EP2895635B1 - Stahllegierung für einen niedrig legierten, hochfesten stahl - Google Patents
Stahllegierung für einen niedrig legierten, hochfesten stahl Download PDFInfo
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- EP2895635B1 EP2895635B1 EP13789475.4A EP13789475A EP2895635B1 EP 2895635 B1 EP2895635 B1 EP 2895635B1 EP 13789475 A EP13789475 A EP 13789475A EP 2895635 B1 EP2895635 B1 EP 2895635B1
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- alloy
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- 229910000831 Steel Inorganic materials 0.000 title claims description 36
- 239000010959 steel Substances 0.000 title claims description 36
- 229910000851 Alloy steel Inorganic materials 0.000 title claims description 18
- 229910045601 alloy Inorganic materials 0.000 title claims description 18
- 239000000956 alloy Substances 0.000 title claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 34
- 229910001566 austenite Inorganic materials 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 229910000734 martensite Inorganic materials 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 229910001563 bainite Inorganic materials 0.000 claims description 15
- 230000009466 transformation Effects 0.000 claims description 15
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 6
- 229910001567 cementite Inorganic materials 0.000 claims description 6
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 238000004626 scanning electron microscopy Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 claims 1
- 230000003019 stabilising effect Effects 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 22
- 238000007792 addition Methods 0.000 description 17
- 239000010955 niobium Substances 0.000 description 17
- 230000000717 retained effect Effects 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 239000011651 chromium Substances 0.000 description 12
- 239000011572 manganese Substances 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910000859 α-Fe Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 229910052758 niobium Inorganic materials 0.000 description 8
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- -1 aluminum nitrides Chemical class 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000029142 excretion Effects 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 210000002023 somite Anatomy 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241000219504 Caryophyllales Species 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000003993 interaction Effects 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
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C21D2211/002—Bainite
Definitions
- the invention relates to a method for producing a steel alloy for the production of strips, sheets and tubes for a low-alloy, high-strength carbide-free bainitic steel according to claim 1.
- the invention relates to tubes, strips, and sheets made of this alloy, from which e.g. Components for the automotive industry, such as body panels, components of support structures or airbag tubes and cylinder tubes are produced.
- Components for the automotive industry such as body panels, components of support structures or airbag tubes and cylinder tubes are produced.
- wear plates made of this alloy can be used for excavator buckets.
- steels are used for applications where sudden impact energies must be absorbed, e.g. as bulletproof armor.
- Tubes made from this alloy can be designed as welded, hot or cold strip or seamless tubes, which may occasionally have deviating from the circular cross-sections.
- Construction tubes or sheets of this steel alloy can also be used for highly stressed welded steel structures, for example in crane, bridge, ship, hoist and truck construction.
- Characteristic of these steels is e.g. a strength of 1000 to about 2000 MPa, depending on the strength of an elongation at break of at least 5% and a very finely (nano-) structured bainitic structure with shares of retained austenite.
- Carbide-free bainitic steels for rails are eg from the DE 696 31 953 T2 known.
- the steel alloy disclosed therein in addition to additions of manganese, chromium and other elements such as molybdenum, nickel, vanadium, tungsten, titanium and boron, a silicon content between 1 and 3%.
- This steel is designed for the requirements of highly wear-stressed rails, but for tapes, sheets and tubes for the stated application uneconomical or not applicable, since in addition to the requirements for wear resistance, both the strength and toughness requirements are met.
- the cross-sectional dimensions of the rails differ significantly from those of the strips, sheets and tubes due to their compact cross-section, which means that the alloy concept can be adapted with regard to the required material properties after the air cooling of the steel required.
- a disadvantage of the known steel is also the expensive addition of titanium and other alloying elements such as nickel, molybdenum and tungsten.
- Another problem with the known steel is that no information is made on the nitrogen content, which exerts a negative influence on the material properties, in particular with aluminum additions by the formation of aluminum nitrides.
- the object of the invention is to provide a method for producing a steel alloy for a low-alloy, high-strength, at the same time tough and wear-resistant carbide bainitic steel for the production of strips, sheets and tubes, on the one hand cheaper than the known steel alloys and on the other hand uniform, the requirements appropriate material properties, such as strength, elongation at break, toughness etc. guaranteed. moreover These material properties should be achieved by air hardening even when cooling to still air.
- rare earths and reactive elements such as Ce, Hf, La, Re, Sc and / or Y can be alloyed with a total of up to 1 wt .-%.
- steels according to the invention After lapping in air, steels according to the invention have a strength (R m ) of more than 1250 MPa, an elongation at break of more than 12% and a toughness (KBZ) of at least 15 J at -20 ° C. in the state of lumps or slabs (see Table 1 ) .
- the structure consists of carbide-free bainite and retained austenite with a content of at least 75% bainitic ferrite, at least 10% retained austenite and up to a maximum of 5% martensite (or martensite phase and / or decomposed austenite).
- the steel alloy according to the invention is based on the development of the DE 696 31 953 T2 and WO 2009/075494 A1 known carbide-free bainitic steel on.
- chromium in the range of 0.10 to 2.00 wt .-%, moreover, the kinetics of ferrite formation can be decisively controlled, so that the formation of coarse polygonal ferrite grains, which can adversely affect the material properties, is effectively avoided.
- Crucial here is the interaction of aluminum and chrome. While aluminum accelerates the ferritic and bainitic transformation, the addition of chromium retards ferritic transformation (see p FIG. 2 ). Through a specific combination of these two elements, both the kinetics of ferrite and bainite formation can be controlled.
- the nitrogen content be as specified
- the upper limit of 0.025 wt.%, Better still 0.015 wt.% Or optimally 0.010 wt ⁇ 10 -3 (wt .-%) must be satisfied.
- a minimum content of nitrogen 0.001 wt.%, Optimally 0.0020, is required to allow niobium carbonitride formation necessary to increase the toughness by grain refining.
- the investigated alloy compositions and the determined mechanical characteristics are given in Table 1 . All samples were heated to about 950 ° C and then cooled in still air or accelerated. The required cooling rate is made dependent on the sheet thickness and the composition. As the results of the mechanical sampling show, the required properties could not be achieved with the test melt 14 because of the too low Cr content.
- the experimental melt 16 according to the invention fulfilled the requirements because of the larger sheet thicknesses of 12 mm only by accelerated cooling. Typical temperature profiles for cooling in still air or with quenching are in FIG. 3 shown.
- FIG. 4 are some of the investigated experimental melts and their mechanical characteristics and cooling conditions compared to common and high strength steel materials shown. It becomes clear that the developed steel alloy encompasses the range of higher-strength materials combined with significantly improved elongation properties. The results impressively confirm the excellent mechanical properties (strength and toughness of the steel alloy according to the invention even for semi-finished products such as slabs or slabs) in the cured state ( Table 1 ).
- TRIP Transformation Induced Plasticity
- the stabilization of the retained austenite and the martensite start temperature are observed taking into account the cooling rate, wherein in the aforementioned.
- empirically determined formulas the contents of C, Mn, Si, Al, Cr and Mo in wt .-% and ⁇ are used as the cooling rate in ° C / sec.
- the units of the coefficients used in the formulas should be chosen according to the variables used in the formulas.
- Martensite starting temperature (° C): In order to avoid larger martensitic microstructures which may degrade the mechanical and technological properties, the martensite starting temperature shall be determined as follows: 525 - 350 ⁇ C - 45 ⁇ Mn - 16 ⁇ Mo - 5 ⁇ Si + 15 ⁇ al ⁇ ⁇ 400
- the microstructure of the steel according to the invention consists of bainitic ferrite and retained austenite lamellae. It may have fractions of up to 5% martensite (or martensite / austenite phase and / or decomposed austenite).
- martensite or martensite / austenite phase and / or decomposed austenite.
- the two most important parameters of the microstructure, which significantly influence the mechanical properties of the steel, are the fin spacing and the proportion of retained austenite. The smaller the fin spacing and the higher the proportion of retained austenite, the higher the strength and elongation at break of the material become.
- the average fin spacing should be less than 750 nm, advantageously less than 500 nm.
- a residual austenite content of at least 10% and a martensite proportion of at most 5% should be present.
- the average former austenite grain size should not exceed a value of 100 ⁇ m.
- the microstructure is very fine, the microstructural constituents can hardly be differentiated by light microscopy, so that a combination of electron microscopy and X-ray diffraction can be used on a case-by-case basis.
- the result of an X-ray diffraction measurement is in FIG. 7 shown. From the intensity distribution of the X-ray spectrum, the crystal structure of the existing structural constituents and their phase components can be determined.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13789475T PL2895635T3 (pl) | 2012-09-14 | 2013-08-28 | Stop stalowy dla niskostopowej stali o wysokiej wytrzymałości |
SI201331451T SI2895635T1 (sl) | 2012-09-14 | 2013-08-28 | Legirano jeklo za nizko legirano, visokotrdnostno jeklo |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012018833 | 2012-09-14 | ||
PCT/DE2013/000519 WO2014040585A1 (de) | 2012-09-14 | 2013-08-28 | Stahllegierung für einen niedrig legierten, hochfesten stahl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2895635A1 EP2895635A1 (de) | 2015-07-22 |
EP2895635B1 true EP2895635B1 (de) | 2019-03-06 |
Family
ID=49578053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13789475.4A Active EP2895635B1 (de) | 2012-09-14 | 2013-08-28 | Stahllegierung für einen niedrig legierten, hochfesten stahl |
Country Status (21)
Country | Link |
---|---|
US (2) | US20150267282A1 (tr) |
EP (1) | EP2895635B1 (tr) |
JP (1) | JP6513568B2 (tr) |
KR (1) | KR102079612B1 (tr) |
AR (1) | AR092556A1 (tr) |
AU (2) | AU2013314787A1 (tr) |
BR (1) | BR112015005216A2 (tr) |
CA (1) | CA2881686A1 (tr) |
CL (1) | CL2015000634A1 (tr) |
DK (1) | DK2895635T3 (tr) |
ES (1) | ES2729562T3 (tr) |
MX (1) | MX2015003103A (tr) |
PE (1) | PE20151042A1 (tr) |
PL (1) | PL2895635T3 (tr) |
RU (1) | RU2620216C2 (tr) |
SI (1) | SI2895635T1 (tr) |
TR (1) | TR201903460T4 (tr) |
TW (1) | TW201432061A (tr) |
UA (1) | UA116111C2 (tr) |
WO (1) | WO2014040585A1 (tr) |
ZA (1) | ZA201502450B (tr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105088090A (zh) | 2015-08-28 | 2015-11-25 | 宝山钢铁股份有限公司 | 一种抗拉强度2000MPa级的防弹钢板及其制造方法 |
DE102015119839A1 (de) * | 2015-11-17 | 2017-05-18 | Benteler Steel/Tube Gmbh | Stahllegierung mit hohem Energieaufnahmevermögen und Stahlrohrprodukt |
US11384415B2 (en) | 2015-11-16 | 2022-07-12 | Benteler Steel/Tube Gmbh | Steel alloy with high energy absorption capacity and tubular steel product |
JP6967628B2 (ja) * | 2015-12-29 | 2021-11-17 | アルセロールミタル | 超高強度合金化溶融亜鉛めっき鋼板を製造するための方法、及び得られた合金化溶融亜鉛めっき鋼板 |
RU2695844C1 (ru) * | 2015-12-29 | 2019-07-29 | Арселормиттал | Способ производства сверхвысокопрочной листовой стали, подвергнутой цинкованию с отжигом, и полученная листовая сталь, подвергнутая цинкованию с отжигом |
DE102016107141A1 (de) * | 2016-04-18 | 2017-10-19 | Benteler Steel/Tube Gmbh | Kraftfahrzeuganhänger, Fahrwerkachse, insbesondere für einen Kraftfahrzeuganhänger und Verwendung der Fahrwerksachse und eines Werkstoffes |
CN106191666B (zh) * | 2016-07-06 | 2018-01-02 | 马钢(集团)控股有限公司 | 一种低成本精节生产的轨道交通用贝氏体钢车轮及其制造方法 |
WO2018215813A1 (en) * | 2017-05-22 | 2018-11-29 | Arcelormittal | Method for producing a steel part and corresponding steel part |
CN110616366B (zh) * | 2018-06-20 | 2021-07-16 | 宝山钢铁股份有限公司 | 一种125ksi钢级抗硫油井管及其制造方法 |
SE542672C2 (en) | 2018-09-14 | 2020-06-23 | Ausferritic Ab | Method for producing an ausferritic steel austempered during continuous cooling followed by annealing |
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KR102079612B1 (ko) | 2020-02-20 |
KR20150070150A (ko) | 2015-06-24 |
AU2018201165A1 (en) | 2018-03-22 |
BR112015005216A2 (pt) | 2022-07-26 |
SI2895635T1 (sl) | 2019-06-28 |
US20200131608A1 (en) | 2020-04-30 |
AR092556A1 (es) | 2015-04-22 |
PE20151042A1 (es) | 2015-07-27 |
ES2729562T3 (es) | 2019-11-04 |
RU2620216C2 (ru) | 2017-05-23 |
MX2015003103A (es) | 2015-10-22 |
UA116111C2 (uk) | 2018-02-12 |
DK2895635T3 (da) | 2019-05-20 |
EP2895635A1 (de) | 2015-07-22 |
RU2015113522A (ru) | 2016-11-10 |
AU2013314787A1 (en) | 2015-04-30 |
TR201903460T4 (tr) | 2019-04-22 |
WO2014040585A1 (de) | 2014-03-20 |
JP2015533942A (ja) | 2015-11-26 |
CL2015000634A1 (es) | 2015-11-20 |
AU2018201165B2 (en) | 2019-09-26 |
US20150267282A1 (en) | 2015-09-24 |
TW201432061A (zh) | 2014-08-16 |
JP6513568B2 (ja) | 2019-05-15 |
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