JP2006528278A - 強度を高められ、靱性に優れ、低温での成形に適した、鉄・炭素・マンガンのオーステナイト鋼板の製造方法並びにそのようにして製造された鋼板 - Google Patents
強度を高められ、靱性に優れ、低温での成形に適した、鉄・炭素・マンガンのオーステナイト鋼板の製造方法並びにそのようにして製造された鋼板 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 133
- 239000010959 steel Substances 0.000 title claims abstract description 133
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000011572 manganese Substances 0.000 title claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 20
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 238000007670 refining Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 30
- 238000000137 annealing Methods 0.000 claims description 20
- 229910001566 austenite Inorganic materials 0.000 claims description 19
- 239000010960 cold rolled steel Substances 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000005097 cold rolling Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 150000001247 metal acetylides Chemical class 0.000 claims description 11
- 238000009991 scouring Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 5
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims 2
- 229910000975 Carbon steel Inorganic materials 0.000 claims 1
- 229910000617 Mangalloy Inorganic materials 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 12
- 229910052802 copper Inorganic materials 0.000 abstract description 10
- 229910052759 nickel Inorganic materials 0.000 abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 9
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 7
- 229910052758 niobium Inorganic materials 0.000 abstract description 7
- 229910052710 silicon Inorganic materials 0.000 abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 6
- 229910052719 titanium Inorganic materials 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 34
- 238000001953 recrystallisation Methods 0.000 description 16
- 230000007547 defect Effects 0.000 description 11
- 238000005098 hot rolling Methods 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 11
- 239000011651 chromium Substances 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000010955 niobium Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 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 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005539 carbonized material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910017112 Fe—C Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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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
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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Abstract
【選択図】図1
Description
Claims (10)
- 強度が900MPaを越え、積(強度(MPa)×破断伸び(%))が45000を越え、化学組成が、重量%で表示した含有量で:
0.5%≦C≦0.7%、
17%≦Mn≦24%、
Si≦3%、
Al≦0.050%、
S≦0.030%、
P≦0.080%、
N≦0.1%であり、
そして任意の選択として、
Cr≦1%、
Mo≦0.40%、
Ni≦1%、
Cu≦5%、
Ti≦0.50%、
Nb≦0.50%、
V≦0.50%
といった元素のうちの一つまたは複数を含み、組成の残りは鉄と精練から生じる不可避な不純物とから構成され、鋼鉄の再結晶化された割合は75%を越えており、鋼鉄の析出炭化物の表面積の割合は1.5%未満であり、鋼鉄の粒の平均サイズは18ミクロン未満である、鉄・炭素・マンガンのオーステナイト鋼の熱間圧延された鋼板。 - 強度が900MPaを越え、積(強度(MPa)×破断伸び(%))が60000を越え、化学組成が、重量%で表示した含有量で:
0.5%≦C≦0.7%、
17%≦Mn≦24%、
Si≦3%、
Al≦0.050%、
S≦0.030%、
P≦0.080%、
N≦0.1%であり、
そして任意の選択として、
Cr≦1%、
Mo≦0.40%、
Ni≦1%、
Cu≦5%、
Ti≦0.50%、
Nb≦0.50%、
V≦0.50%といった元素のうちの一つまたは複数を含み、組成の残りは鉄と精練から生じる不可避な不純物とから構成され、鋼鉄の再結晶化された割合は100%であり、鋼鉄の析出炭化物の表面積の割合は0%であり、鋼鉄の粒の平均サイズは10ミクロン未満である、鉄・炭素・マンガンのオーステナイト鋼の熱間圧延された鋼板。 - ・重量%で表示した含有量の化学組成:
0.5%≦C≦0.7%、
17%≦Mn≦24%、
Si≦3%、
Al≦0.050%、
S≦0.030%、
P≦0.080%、
N≦0.1%で鋼鉄を精錬し、
そして任意の選択として、
Cr≦1%、
Mo≦0.40%、
Ni≦1%、
Cu≦5%、
Ti≦0.50%、
Nb≦0.50%、
V≦0.50%といった元素のうちの一つまたは複数を含み、組成の残りは鉄と精練から生じる不可避な不純物とから構成される鋼鉄について、
・この鋼鉄を元に半生成物の鋳造を行い、
・前記組成の鋼鉄の前記半生成物を1100℃から1300℃の間の温度に晒し、
・前記半生成物を890℃以上の圧延完了の温度まで圧延し、
・前記圧延の完了と、後の急速冷却との間に所要時間があることが確認されるのであるが、結果、前記所要時間と前記圧延完了温度によって規定される一点が、図1のグラフABCD’E’F’A、そして好ましくはABCDEFAで規定されるエリアの内部に位置するようにし、
・鋼板が580℃未満の温度で巻き取られる、鉄・炭素・マンガンの鋼鉄の熱間圧延された鋼板の製造方法。 - 前記半生成物の鋳造は、鋼鉄のローラーの間で細い帯材を鋳造する形で行われることを特徴とする、請求項3に記載の方法。
- 前記巻き取り作業の後に、前記熱間圧延された鋼板において、30%以下の等量変形率で低温変形が行われることを特徴とする、請求項3または4に記載の方法。
- 強度は950MPaを越え、積(強度(MPa)×破断伸び(%))が45000を越え、その化学組成は、重量%で表示した含有量で:0.5%≦C≦0.7%、
17%≦Mn≦24%、
Si≦3%、
Al≦0.050%、
S≦0.030%、
P≦0.080%、
N≦0.1%であり、
そして任意の選択として、
Cr≦1%、
Mo≦0.40%、
Ni≦1%、
Cu≦5%、
Ti≦0.50%、
Nb≦0.50%、
V≦0.50%といった元素のうちの一つまたは複数を含み、組成の残りは鉄と精練から生じる不可避な不純物とから構成され、再結晶化された鋼鉄の構造の割合は75%を超え、鋼鉄の析出炭化物の表面積の割合は1.5%未満であり、鋼鉄の粒の平均サイズは6ミクロン未満である、鉄・炭素・マンガンのオーステナイト鋼の冷間圧延された鋼板。 - ・請求項3または4に記載の方法によって得られた熱間圧延された鋼板を供給し、
・少なくとも一度の冷間圧延の手順を行った後に焼き鈍しし、
・前記鋼板を冷間圧延し、
・600℃から900℃の間の温度で10秒から500秒の間、焼き鈍しし、この後に毎秒0.5℃を超える速度で冷却し、
・後に焼き鈍しが続く、冷間圧延の最終手順が行われる前のオーステナイトの粒の大きさが18ミクロン未満であることを特徴とする、鉄・炭素・マンガンのオーステナイト鋼の冷間圧延された鋼板の製造方法。 - 最後の焼き鈍しが行われた後の冷間圧延された鋼板において、30%以下の等量変形率で低温変形が行われることを特徴とする、請求項7に記載の製造方法。
- 静的または動的状態において、外力を受ける補強材を製造するための、請求項1、2または6のいずれか一つに記載の鋼板の使用方法。
- 静的または動的状態において、外力を受ける補強材を製造するための、請求項3、4、5、7、8のいずれか一つに記載の方法によって製造された鋼板の使用方法。
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JPH04259325A (ja) * | 1991-02-13 | 1992-09-14 | Sumitomo Metal Ind Ltd | 加工性に優れた高強度熱延鋼板の製造方法 |
US5431753A (en) * | 1991-12-30 | 1995-07-11 | Pohang Iron & Steel Co. Ltd. | Manufacturing process for austenitic high manganese steel having superior formability, strengths and weldability |
FR2795742B1 (fr) * | 1999-07-01 | 2001-08-03 | Lorraine Laminage | Tole d'acier a moyen carbone calme a l'aluminium pour emballage |
FR2795741B1 (fr) * | 1999-07-01 | 2001-08-03 | Lorraine Laminage | Tole d'acier a bas carbone calme a l'aluminium pour emballage |
FR2795744B1 (fr) * | 1999-07-01 | 2001-08-03 | Lorraine Laminage | Tole d'acier a basse teneur en aluminium pour emballage |
FR2795740B1 (fr) * | 1999-07-01 | 2001-08-03 | Lorraine Laminage | Tole d'acier a bas carbone calme a l'aluminium pour emballage |
FR2796083B1 (fr) * | 1999-07-07 | 2001-08-31 | Usinor | Procede de fabrication de bandes en alliage fer-carbone-manganese, et bandes ainsi produites |
JP2003033803A (ja) * | 2001-04-17 | 2003-02-04 | Nisshin Steel Co Ltd | 準安定オーステナイト系ステンレス鋼製無段変速機用ベルトの製造方法 |
DE10128544C2 (de) * | 2001-06-13 | 2003-06-05 | Thyssenkrupp Stahl Ag | Höherfestes, kaltumformbares Stahlblech, Verfahren zu seiner Herstellung und Verwendung eines solchen Blechs |
FR2829775B1 (fr) * | 2001-09-20 | 2003-12-26 | Usinor | Procede de fabrication de tubes roules et soudes comportant une etape finale d'etirage ou d'hydroformage et tube soude ainsi obtenu |
FR2857980B1 (fr) * | 2003-07-22 | 2006-01-13 | Usinor | Procede de fabrication de toles d'acier austenitique fer-carbone-manganese, a haute resistance, excellente tenacite et aptitude a la mise en forme a froid, et toles ainsi produites |
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2003
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- 2004-07-08 EP EP04767627.5A patent/EP1649069B1/fr active Active
- 2004-07-08 KR KR1020067001594A patent/KR101127532B1/ko active IP Right Grant
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- 2004-07-08 MX MXPA06000877A patent/MXPA06000877A/es active IP Right Grant
- 2004-07-08 RU RU2006105382/02A patent/RU2318882C2/ru active
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- 2004-07-08 CA CA2533023A patent/CA2533023C/fr active Active
- 2004-07-08 CN CNB2004800252454A patent/CN100381589C/zh active Active
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Cited By (18)
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JP2011246817A (ja) * | 2003-07-22 | 2011-12-08 | Arcelormittal France | 強度を高められ、靱性に優れ、低温での成形に適した、鉄・炭素・マンガンのオーステナイト鋼板の製造方法並びにそのようにして製造された鋼板 |
JP2008528796A (ja) * | 2005-01-21 | 2008-07-31 | アルセロールミタル・フランス | オーステナイト系鉄−炭素−マンガン金属鋼板の製造方法、およびこれにより製造される鋼板 |
JP2009542920A (ja) * | 2006-07-11 | 2009-12-03 | アルセロールミタル・フランス | 優れた耐遅れ割れ性を有する鉄−炭素−マンガンオーステナイト系鋼板の製造方法、およびそのようにして製造された鋼板 |
US10131964B2 (en) | 2006-07-11 | 2018-11-20 | Arcelormittal France | Iron-carbon-manganese austenitic steel sheet |
JP2010106313A (ja) * | 2008-10-30 | 2010-05-13 | Jfe Steel Corp | 延性に優れた高降伏比超高張力鋼板およびその製造方法 |
WO2011122237A1 (ja) | 2010-03-30 | 2011-10-06 | Jfeスチール株式会社 | 延性に優れた高張力鋼板およびその製造方法 |
US11131011B2 (en) | 2010-10-21 | 2021-09-28 | Arcelormittal | Hot-rolled or cold-rolled steel plate |
JP2015507090A (ja) * | 2011-12-23 | 2015-03-05 | ポスコ | 非磁性高強度高マンガン鋼板及びその製造方法 |
US10144986B2 (en) | 2013-08-14 | 2018-12-04 | Posco | Ultrahigh-strength steel sheet and manufacturing method therefor |
JP2016534224A (ja) * | 2013-08-14 | 2016-11-04 | ポスコPosco | 超高強度鋼板及びその製造方法 |
JP2019502814A (ja) * | 2015-12-04 | 2019-01-31 | ポスコPosco | 低温衝撃靭性に優れた線材及びその製造方法 |
JP2019516018A (ja) * | 2016-04-28 | 2019-06-13 | ポスコPosco | 降伏比に優れた超高強度高延性鋼板及びその製造方法 |
JP2019521248A (ja) * | 2016-05-24 | 2019-07-25 | アルセロールミタル | オーステナイト型マトリックスを有する回復された鋼板の製造のための方法 |
JP2021088774A (ja) * | 2016-05-24 | 2021-06-10 | アルセロールミタル | オーステナイト型マトリックスを有する回復された鋼板の製造のための方法 |
JP7395524B2 (ja) | 2016-05-24 | 2023-12-11 | アルセロールミタル | オーステナイト型マトリックスを有する回復された鋼板の製造のための方法 |
JP2021508006A (ja) * | 2017-12-24 | 2021-02-25 | ポスコPosco | 高強度オーステナイト系高マンガン鋼材及びその製造方法 |
US11634800B2 (en) | 2017-12-24 | 2023-04-25 | Posco Co., Ltd | High-strength austenite-based high-manganese steel material and manufacturing method for same |
JP7438967B2 (ja) | 2017-12-24 | 2024-02-27 | ポスコ カンパニー リミテッド | 高強度オーステナイト系高マンガン鋼材及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
AR046511A1 (es) | 2005-12-14 |
EP1649069A1 (fr) | 2006-04-26 |
ES2626594T3 (es) | 2017-07-25 |
RU2006105382A (ru) | 2006-06-27 |
PL1649069T3 (pl) | 2017-08-31 |
US20060278309A1 (en) | 2006-12-14 |
JP4829787B2 (ja) | 2011-12-07 |
BRPI0412867B1 (pt) | 2016-04-19 |
RU2318882C2 (ru) | 2008-03-10 |
WO2005019483A1 (fr) | 2005-03-03 |
US9873931B2 (en) | 2018-01-23 |
CN100381589C (zh) | 2008-04-16 |
JP5814002B2 (ja) | 2015-11-17 |
US8926772B2 (en) | 2015-01-06 |
ZA200600619B (en) | 2006-11-29 |
CA2533023C (fr) | 2011-08-30 |
CN1846002A (zh) | 2006-10-11 |
KR20060040718A (ko) | 2006-05-10 |
US20150078955A1 (en) | 2015-03-19 |
HUE035199T2 (en) | 2018-05-02 |
BRPI0412867A (pt) | 2006-10-03 |
CA2533023A1 (fr) | 2005-03-03 |
US20150078954A1 (en) | 2015-03-19 |
EP1649069B1 (fr) | 2017-04-19 |
FR2857980B1 (fr) | 2006-01-13 |
JP2011246817A (ja) | 2011-12-08 |
KR101127532B1 (ko) | 2012-04-18 |
MXPA06000877A (es) | 2006-04-19 |
FR2857980A1 (fr) | 2005-01-28 |
TW200512304A (en) | 2005-04-01 |
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