UA61966C2 - A method for producing an ultra-high strength welding steel with upper density - Google Patents
A method for producing an ultra-high strength welding steel with upper density Download PDFInfo
- Publication number
- UA61966C2 UA61966C2 UA2000021129A UA2000021129A UA61966C2 UA 61966 C2 UA61966 C2 UA 61966C2 UA 2000021129 A UA2000021129 A UA 2000021129A UA 2000021129 A UA2000021129 A UA 2000021129A UA 61966 C2 UA61966 C2 UA 61966C2
- Authority
- UA
- Ukraine
- Prior art keywords
- temperature
- steel
- fine
- quenching
- grained
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 210
- 239000010959 steel Substances 0.000 title claims abstract description 210
- 238000003466 welding Methods 0.000 title description 16
- 238000004519 manufacturing process Methods 0.000 title description 4
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 67
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 62
- 239000000203 mixture Substances 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000010791 quenching Methods 0.000 claims abstract description 44
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000000171 quenching effect Effects 0.000 claims abstract description 37
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 35
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 34
- 239000010955 niobium Substances 0.000 claims abstract description 34
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 25
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005098 hot rolling Methods 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 8
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 8
- 230000009466 transformation Effects 0.000 claims description 36
- 238000005496 tempering Methods 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 23
- 229910001567 cementite Inorganic materials 0.000 claims description 20
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 20
- 150000001247 metal acetylides Chemical class 0.000 claims description 13
- 238000005275 alloying Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 6
- -1 niobium carbides Chemical class 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims 2
- 238000003825 pressing Methods 0.000 claims 2
- 241000282342 Martes americana Species 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 20
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 16
- 239000011733 molybdenum Substances 0.000 abstract description 16
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 11
- 239000010936 titanium Substances 0.000 abstract description 11
- 229910052759 nickel Inorganic materials 0.000 abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052802 copper Inorganic materials 0.000 abstract description 9
- 239000010949 copper Substances 0.000 abstract description 9
- 229910052719 titanium Inorganic materials 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 7
- 239000011575 calcium Substances 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 abstract description 5
- 229910052791 calcium Inorganic materials 0.000 abstract description 5
- 229910052804 chromium Inorganic materials 0.000 abstract description 4
- 239000011651 chromium Substances 0.000 abstract description 4
- 238000009863 impact test Methods 0.000 abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011777 magnesium Substances 0.000 abstract description 3
- 229910052749 magnesium Inorganic materials 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 abstract 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 abstract 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 51
- 229910052796 boron Inorganic materials 0.000 description 51
- 239000012071 phase Substances 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 230000015572 biosynthetic process Effects 0.000 description 21
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
- 239000000126 substance Substances 0.000 description 15
- 238000011282 treatment Methods 0.000 description 15
- 239000002245 particle Substances 0.000 description 14
- 238000012545 processing Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 238000005286 illumination Methods 0.000 description 13
- 238000005728 strengthening Methods 0.000 description 13
- 238000001000 micrograph Methods 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 238000001953 recrystallisation Methods 0.000 description 10
- 238000007792 addition Methods 0.000 description 8
- 238000005336 cracking Methods 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 238000003303 reheating Methods 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 239000010953 base metal Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 6
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 229910000922 High-strength low-alloy steel Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000930 thermomechanical effect Effects 0.000 description 3
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910000712 Boron steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 2
- 229910039444 MoC Inorganic materials 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 241001608711 Melo Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004191 allura red AC Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- MQTOSJVFKKJCRP-BICOPXKESA-N azithromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)N(C)C[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 MQTOSJVFKKJCRP-BICOPXKESA-N 0.000 description 1
- 239000011692 calcium ascorbate Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- ZWHFRFBMLZSTRV-UHFFFAOYSA-N dicalcium oxygen(2-) sulfide Chemical compound [S-2].[Ca+2].[O-2].[Ca+2] ZWHFRFBMLZSTRV-UHFFFAOYSA-N 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005541 quenching (cooling) Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
-
- 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
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Arc Welding In General (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5396597P | 1997-07-28 | 1997-07-28 | |
| PCT/US1998/015629 WO1999005328A1 (en) | 1997-07-28 | 1998-07-28 | Method for producing ultra-high strength, weldable steels with superior toughness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA61966C2 true UA61966C2 (en) | 2003-12-15 |
Family
ID=21987788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UA2000021129A UA61966C2 (en) | 1997-07-28 | 1998-07-28 | A method for producing an ultra-high strength welding steel with upper density |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6248191B1 (pt) |
| EP (1) | EP1017862B1 (pt) |
| JP (1) | JP4317321B2 (pt) |
| KR (1) | KR100386767B1 (pt) |
| CN (1) | CN1088474C (pt) |
| AT (1) | ATE346960T1 (pt) |
| AU (1) | AU736037B2 (pt) |
| BR (1) | BR9811052A (pt) |
| CA (1) | CA2295881C (pt) |
| DE (1) | DE69836549T2 (pt) |
| ES (1) | ES2275310T3 (pt) |
| RU (1) | RU2210603C2 (pt) |
| UA (1) | UA61966C2 (pt) |
| WO (1) | WO1999005328A1 (pt) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2807068B1 (fr) * | 2000-03-29 | 2002-10-11 | Usinor | Acier lamine a chaud a tres haute limite d'elasticite et resistance mecanique utilisable notamment pour la realisation de piece de vehicules automobiles |
| US7048810B2 (en) * | 2001-10-22 | 2006-05-23 | Exxonmobil Upstream Research Company | Method of manufacturing hot formed high strength steel |
| US6852175B2 (en) * | 2001-11-27 | 2005-02-08 | Exxonmobil Upstream Research Company | High strength marine structures |
| KR100516519B1 (ko) * | 2001-12-26 | 2005-09-26 | 주식회사 포스코 | 제어압연 및 급속냉각 방식에 의한 2상조직 탄소강 선재및 봉강 제조방법 |
| JP4197459B2 (ja) * | 2003-05-27 | 2008-12-17 | 株式会社ジェイテクト | ステアリングラック用棒鋼 |
| JP4325277B2 (ja) * | 2003-05-28 | 2009-09-02 | 住友金属工業株式会社 | 熱間成形法と熱間成形部材 |
| RU2241780C1 (ru) * | 2003-12-30 | 2004-12-10 | Закрытое акционерное общество Научно-производственное объединение "ПОЛИМЕТАЛЛ" | Сталь |
| RU2252972C1 (ru) * | 2004-06-07 | 2005-05-27 | Закрытое акционерное общество Научно-производственное объединение "ПОЛИМЕТАЛЛ" | Труба для нефте-, газо- и продуктопроводов и способ ее производства |
| CN100343408C (zh) * | 2004-12-08 | 2007-10-17 | 鞍钢股份有限公司 | 高抗拉强度高韧性低屈强比贝氏体钢及其生产方法 |
| CN100350065C (zh) * | 2004-12-08 | 2007-11-21 | 鞍钢股份有限公司 | 高抗拉强度低碳贝氏体厚钢板及其生产方法 |
| CN100350066C (zh) * | 2004-12-08 | 2007-11-21 | 鞍钢股份有限公司 | 高强韧性低碳贝氏体厚钢板及其生产方法 |
| US20060231596A1 (en) * | 2005-04-15 | 2006-10-19 | Gruber Jack A | Process for making a welded steel tubular having a weld zone free of untempered martensite |
| MXPA05008339A (es) * | 2005-08-04 | 2007-02-05 | Tenaris Connections Ag | Acero de alta resistencia para tubos de acero soldables y sin costura. |
| BRPI0617763A2 (pt) * | 2005-10-24 | 2011-08-02 | Exxonmobil Upstream Res Co | aço de fase dupla de resistência elevada com razão de deformação baixa, alta dureza e capacidade de fundição superior |
| KR100851189B1 (ko) * | 2006-11-02 | 2008-08-08 | 주식회사 포스코 | 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법 |
| GB2460362B (en) * | 2007-02-27 | 2011-09-07 | Exxonmobil Upstream Res Co | Corrosion resistant alloy weldments in carbon steel structures and pipelines to accommodate high axial plastic strains |
| EP2020451A1 (fr) | 2007-07-19 | 2009-02-04 | ArcelorMittal France | Procédé de fabrication de tôles d'acier à hautes caractéristiques de résistance et de ductilité, et tôles ainsi produites |
| CN101418416B (zh) * | 2007-10-26 | 2010-12-01 | 宝山钢铁股份有限公司 | 屈服强度800MPa级低焊接裂纹敏感性钢板及其制造方法 |
| EP2265739B1 (en) | 2008-04-11 | 2019-06-12 | Questek Innovations LLC | Martensitic stainless steel strengthened by copper-nucleated nitride precipitates |
| US10351922B2 (en) | 2008-04-11 | 2019-07-16 | Questek Innovations Llc | Surface hardenable stainless steels |
| KR101094310B1 (ko) * | 2008-09-18 | 2011-12-19 | 한국기계연구원 | 저온인성이 우수한 용접성 초고강도강 및 그 제조방법 |
| FI20095528A (fi) * | 2009-05-11 | 2010-11-12 | Rautaruukki Oyj | Menetelmä kuumavalssatun nauhaterästuotteen valmistamiseksi sekä kuumavalssattu nauhaterästuote |
| BRPI1007386A2 (pt) | 2009-05-19 | 2016-02-16 | Nippon Steel Corp | aço para estrutura soldada e método de produção do mesmo |
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-
1998
- 1998-07-28 AT AT98938067T patent/ATE346960T1/de active
- 1998-07-28 RU RU2000104833/02A patent/RU2210603C2/ru not_active IP Right Cessation
- 1998-07-28 WO PCT/US1998/015629 patent/WO1999005328A1/en active IP Right Grant
- 1998-07-28 UA UA2000021129A patent/UA61966C2/uk unknown
- 1998-07-28 EP EP98938067A patent/EP1017862B1/en not_active Expired - Lifetime
- 1998-07-28 AU AU86673/98A patent/AU736037B2/en not_active Ceased
- 1998-07-28 CN CN98807716A patent/CN1088474C/zh not_active Expired - Lifetime
- 1998-07-28 DE DE69836549T patent/DE69836549T2/de not_active Expired - Lifetime
- 1998-07-28 KR KR10-2000-7000928A patent/KR100386767B1/ko not_active IP Right Cessation
- 1998-07-28 ES ES98938067T patent/ES2275310T3/es not_active Expired - Lifetime
- 1998-07-28 US US09/123,858 patent/US6248191B1/en not_active Expired - Lifetime
- 1998-07-28 CA CA002295881A patent/CA2295881C/en not_active Expired - Lifetime
- 1998-07-28 BR BR9811052-7A patent/BR9811052A/pt not_active IP Right Cessation
- 1998-07-28 JP JP2000504295A patent/JP4317321B2/ja not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| EP1017862A1 (en) | 2000-07-12 |
| EP1017862A4 (en) | 2004-06-23 |
| JP2001511479A (ja) | 2001-08-14 |
| BR9811052A (pt) | 2000-08-15 |
| AU8667398A (en) | 1999-02-16 |
| DE69836549D1 (de) | 2007-01-11 |
| KR100386767B1 (ko) | 2003-06-09 |
| DE69836549T2 (de) | 2007-09-13 |
| RU2210603C2 (ru) | 2003-08-20 |
| CA2295881A1 (en) | 1999-02-04 |
| AU736037B2 (en) | 2001-07-26 |
| CN1088474C (zh) | 2002-07-31 |
| CN1265708A (zh) | 2000-09-06 |
| EP1017862B1 (en) | 2006-11-29 |
| CA2295881C (en) | 2005-10-18 |
| JP4317321B2 (ja) | 2009-08-19 |
| WO1999005328A1 (en) | 1999-02-04 |
| ATE346960T1 (de) | 2006-12-15 |
| ES2275310T3 (es) | 2007-06-01 |
| US6248191B1 (en) | 2001-06-19 |
| KR20010022349A (ko) | 2001-03-15 |
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