KR100723092B1 - 내수소취화 특성이 뛰어난 초고강도 박 강판 - Google Patents
내수소취화 특성이 뛰어난 초고강도 박 강판 Download PDFInfo
- Publication number
- KR100723092B1 KR100723092B1 KR1020050131831A KR20050131831A KR100723092B1 KR 100723092 B1 KR100723092 B1 KR 100723092B1 KR 1020050131831 A KR1020050131831 A KR 1020050131831A KR 20050131831 A KR20050131831 A KR 20050131831A KR 100723092 B1 KR100723092 B1 KR 100723092B1
- Authority
- KR
- South Korea
- Prior art keywords
- less
- mass
- hydrogen embrittlement
- steel
- steel sheet
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 206
- 239000010959 steel Substances 0.000 title claims abstract description 206
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 149
- 239000001257 hydrogen Substances 0.000 title claims abstract description 149
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 129
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 62
- 230000000717 retained effect Effects 0.000 claims abstract description 60
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 34
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 238000004904 shortening Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 64
- 230000000694 effects Effects 0.000 description 32
- 230000007797 corrosion Effects 0.000 description 26
- 238000005260 corrosion Methods 0.000 description 26
- 239000000463 material Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 18
- 230000003111 delayed effect Effects 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000005097 cold rolling Methods 0.000 description 14
- 230000001965 increasing effect Effects 0.000 description 14
- 238000007747 plating Methods 0.000 description 13
- 229910000794 TRIP steel Inorganic materials 0.000 description 12
- 230000015556 catabolic process Effects 0.000 description 12
- 238000001816 cooling Methods 0.000 description 12
- 238000005098 hot rolling Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 150000001247 metal acetylides Chemical class 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000000137 annealing Methods 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000002411 adverse Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000002436 steel type Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- SFBODOKJTYAUCM-UHFFFAOYSA-N Ipriflavone Chemical compound C=1C(OC(C)C)=CC=C(C2=O)C=1OC=C2C1=CC=CC=C1 SFBODOKJTYAUCM-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001887 electron backscatter diffraction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229960005431 ipriflavone Drugs 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 sensitizers Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910006540 α-FeOOH Inorganic materials 0.000 description 1
- 229910003153 β-FeOOH Inorganic materials 0.000 description 1
Images
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
- C22C38/02—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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
2, 5: 스포트 용접 위치
Claims (9)
- 질량%로, C:0.10~0.25%, Si:1.0~3.0%, Mn:1.0~3.5%, P:0.15% 이하, S:0.02% 이하, Al:1.5% 이하(0%를 포함하지 않음)를 만족하고, 잔부가 철 및 불가피한 불순물로 이루어지는 것으로서, 전체 조직에 대한 면적율로, 잔류 오스테나이트를 1% 이상, 베이니틱 페라이트 및 마르텐사이트가 합계로 80% 이상, 페라이트 및 펄라이트가 합계로 9% 이하(0%를 포함함)임과 동시에, 상기 잔류 오스테나이트 결정립의 평균 축 비(장축/단축)가 5 이상이고, 또한 인장강도가 1180MPa 이상인 것을 특징으로 하는, 내수소취화 특성이 뛰어난 초고강도 박 강판.
- 제 1 항에 있어서,상기 잔류 오스테나이트 결정립의 평균 단축의 길이가 1㎛ 이하이고, 또한 상기 잔류 오스테나이트 결정립간의 최인접 거리가 1㎛ 이하인 내수소취화 특성이 뛰어난 초고강도 박 강판.
- 질량%로, C:0.10~0.25%, Si:1.0~3.0%, Mn:1.0~3.5%, P:0.15% 이하, S:0.02% 이하, Al:1.5% 이하(0%를 포함하지 않음)를 만족하고, 잔부가 철 및 불가피한 불순물로 이루어지는 것으로서, 전체 조직에 대한 면적율로, 잔류 오스테나이트를 1% 이상 가지며, 상기 잔류 오스테나이트 결정립의 평균 축 비(장축/단축)가 5 이상임과 동시에, 상기 잔류 오스테나이트 결정립의 평균 단축의 길이가 1㎛ 이하이고, 또한 상기 잔류 오스테나이트 결정립간의 최인접 거리가 1㎛ 이하이며, 또한 인장강도가 1180MPa 이상인 것을 특징으로 하는, 내수소취화 특성이 뛰어난 초고강도 박 강판.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,질량%로, Al:0.5% 이하(0%를 포함하지 않음)를 만족하는 내수소취화 특성이 뛰어난 초고강도 박 강판.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,A군: Cu:0.003~0.5질량% 및 Ni:0.003~1.0질량%로 이루어진 군으로부터 선택되는 1종 이상,B군: Ti 및 V로 이루어진 군으로부터 선택되는 1종 이상을 합계로 0.003~1.0질량%,C군: Mo:1.0질량% 이하(0질량%를 포함하지 않음), Nb:0.1질량% 이하(0질량%를 포함하지 않음),D군: B:0.0002~0.01질량%,E군: Ca:0.0005~0.005질량%, Mg:0.0005~0.01질량% 및 REM:0.0005~0.01질량%로 이루어진 군으로부터 선택되는 1종 이상의 A 내지 E군으로 이루어진 그룹으로부터 선택된 적어도 1군을 포함하는 내수소취화 특성이 뛰어난 초고강도 박 강판.
- 삭제
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004381230 | 2004-12-28 | ||
JPJP-P-2004-00381231 | 2004-12-28 | ||
JP2004381231 | 2004-12-28 | ||
JPJP-P-2004-00381230 | 2004-12-28 | ||
JP2004381232 | 2004-12-28 | ||
JPJP-P-2004-00381232 | 2004-12-28 | ||
JP2005147238A JP4868771B2 (ja) | 2004-12-28 | 2005-05-19 | 耐水素脆化特性に優れた超高強度薄鋼板 |
JPJP-P-2005-00147240 | 2005-05-19 | ||
JPJP-P-2005-00147238 | 2005-05-19 | ||
JPJP-P-2005-00147239 | 2005-05-19 | ||
JP2005147240A JP4684002B2 (ja) | 2004-12-28 | 2005-05-19 | 耐水素脆化特性に優れた超高強度薄鋼板 |
JP2005147239A JP4553372B2 (ja) | 2004-12-28 | 2005-05-19 | 耐水素脆化特性に優れた超高強度薄鋼板 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060076744A KR20060076744A (ko) | 2006-07-04 |
KR100723092B1 true KR100723092B1 (ko) | 2007-05-30 |
Family
ID=35739879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050131831A KR100723092B1 (ko) | 2004-12-28 | 2005-12-28 | 내수소취화 특성이 뛰어난 초고강도 박 강판 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060137768A1 (ko) |
EP (1) | EP1676932B1 (ko) |
KR (1) | KR100723092B1 (ko) |
CA (1) | CA2531615A1 (ko) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3764411B2 (ja) * | 2002-08-20 | 2006-04-05 | 株式会社神戸製鋼所 | 焼付硬化性に優れた複合組織鋼板 |
US7314532B2 (en) * | 2003-03-26 | 2008-01-01 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High-strength forged parts having high reduction of area and method for producing same |
JP4716358B2 (ja) * | 2005-03-30 | 2011-07-06 | 株式会社神戸製鋼所 | 強度と加工性のバランスに優れた高強度冷延鋼板およびめっき鋼板 |
JP4716359B2 (ja) * | 2005-03-30 | 2011-07-06 | 株式会社神戸製鋼所 | 均一伸びに優れた高強度冷延鋼板およびその製造方法 |
KR100990772B1 (ko) * | 2005-12-28 | 2010-10-29 | 가부시키가이샤 고베 세이코쇼 | 초고강도 박강판 |
JP4217245B2 (ja) | 2006-01-20 | 2009-01-28 | 株式会社神戸製鋼所 | 耐水素脆性に優れた高強度鋼 |
EP1832667A1 (fr) * | 2006-03-07 | 2007-09-12 | ARCELOR France | Procédé de fabrication de tôles d'acier à très hautes caractéristiques de résistance, de ductilité et de tenacité, et tôles ainsi produites |
CN100510143C (zh) * | 2006-05-29 | 2009-07-08 | 株式会社神户制钢所 | 延伸凸缘性优异的高强度钢板 |
JP4974341B2 (ja) * | 2006-06-05 | 2012-07-11 | 株式会社神戸製鋼所 | 成形性、スポット溶接性、および耐遅れ破壊性に優れた高強度複合組織鋼板 |
JP5030200B2 (ja) * | 2006-06-05 | 2012-09-19 | 株式会社神戸製鋼所 | 伸び、伸びフランジ性および溶接性に優れた高強度鋼板 |
JP4282731B2 (ja) | 2006-08-11 | 2009-06-24 | 新日本製鐵株式会社 | 疲労特性に優れた自動車足回り部品の製造方法 |
JP4164537B2 (ja) * | 2006-12-11 | 2008-10-15 | 株式会社神戸製鋼所 | 高強度薄鋼板 |
US8465806B2 (en) * | 2007-05-02 | 2013-06-18 | Tata Steel Ijmuiden B.V. | Method for hot dip galvanizing of AHSS or UHSS strip material, and such material |
EP1990431A1 (fr) | 2007-05-11 | 2008-11-12 | ArcelorMittal France | Procédé de fabrication de tôles d'acier laminées à froid et recuites à très haute résistance, et tôles ainsi produites |
JP4445522B2 (ja) * | 2007-06-20 | 2010-04-07 | 豊田鉄工株式会社 | 車両用センターピラーの補強部材 |
JP5365216B2 (ja) * | 2008-01-31 | 2013-12-11 | Jfeスチール株式会社 | 高強度鋼板とその製造方法 |
JP5365217B2 (ja) * | 2008-01-31 | 2013-12-11 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
JP5394709B2 (ja) * | 2008-11-28 | 2014-01-22 | 株式会社神戸製鋼所 | 耐水素脆化特性および加工性に優れた超高強度鋼板 |
JP5412182B2 (ja) | 2009-05-29 | 2014-02-12 | 株式会社神戸製鋼所 | 耐水素脆化特性に優れた高強度鋼板 |
JP6027302B2 (ja) * | 2009-12-22 | 2016-11-16 | 株式会社神戸製鋼所 | 高強度焼戻し省略ばね用鋼 |
JP5327106B2 (ja) | 2010-03-09 | 2013-10-30 | Jfeスチール株式会社 | プレス部材およびその製造方法 |
KR101315568B1 (ko) * | 2010-03-24 | 2013-10-08 | 제이에프이 스틸 가부시키가이샤 | 고강도 전봉 강관 및 그 제조 방법 |
JP5771034B2 (ja) | 2010-03-29 | 2015-08-26 | 株式会社神戸製鋼所 | 加工性に優れた超高強度鋼板、およびその製造方法 |
JP5662902B2 (ja) * | 2010-11-18 | 2015-02-04 | 株式会社神戸製鋼所 | 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品 |
JP5662903B2 (ja) * | 2010-11-18 | 2015-02-04 | 株式会社神戸製鋼所 | 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品 |
JP5883351B2 (ja) | 2011-06-10 | 2016-03-15 | 株式会社神戸製鋼所 | 熱間プレス成形品、その製造方法および熱間プレス成形用薄鋼板 |
US9745639B2 (en) * | 2011-06-13 | 2017-08-29 | Kobe Steel, Ltd. | High-strength steel sheet excellent in workability and cold brittleness resistance, and manufacturing method thereof |
US9127409B2 (en) * | 2012-04-23 | 2015-09-08 | Nippon Steel & Sumitomo Metal Corporation | Rail |
WO2016001708A1 (en) * | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet |
DE102014016073A1 (de) | 2014-10-23 | 2016-04-28 | Vladimir Volchkov | Stahl |
CN105039851B (zh) * | 2015-08-17 | 2017-03-01 | 攀钢集团攀枝花钢铁研究院有限公司 | 钛合金化tam钢及其制造方法 |
WO2017109539A1 (en) | 2015-12-21 | 2017-06-29 | Arcelormittal | Method for producing a high strength steel sheet having improved strength and formability, and obtained high strength steel sheet |
CN105755376A (zh) * | 2016-03-31 | 2016-07-13 | 苏州睿昕汽车配件有限公司 | 一种耐高温汽车配件合金钢材料及其制备方法 |
DE102016005532A1 (de) | 2016-05-02 | 2017-11-02 | Vladimir Volchkov | Stahl |
JP6737338B2 (ja) | 2016-08-08 | 2020-08-05 | 日本製鉄株式会社 | 鋼板 |
WO2019189842A1 (ja) * | 2018-03-30 | 2019-10-03 | Jfeスチール株式会社 | 高強度亜鉛めっき鋼板、高強度部材およびそれらの製造方法 |
WO2020110593A1 (ja) * | 2018-11-30 | 2020-06-04 | 日本精工株式会社 | 水素環境度判定方法及び白色組織破損可能性予測方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3241897B2 (ja) * | 1993-10-12 | 2001-12-25 | 新日本製鐵株式会社 | 引張強度、疲労強度および被削性に優れる熱間鍛造用非調質鋼 |
JPH11293383A (ja) | 1998-04-09 | 1999-10-26 | Nippon Steel Corp | 水素性欠陥の少ない厚鋼板およびその製造方法 |
JP2001020030A (ja) * | 1999-07-02 | 2001-01-23 | Kobe Steel Ltd | 伸びフランジ性に優れた高強度熱延鋼板 |
JP3924159B2 (ja) | 2001-11-28 | 2007-06-06 | 新日本製鐵株式会社 | 成形加工後の耐遅れ破壊性に優れた高強度薄鋼板及びその製造方法並びに高強度薄鋼板により作成された自動車用強度部品 |
JP4091894B2 (ja) * | 2003-04-14 | 2008-05-28 | 新日本製鐵株式会社 | 耐水素脆化、溶接性、穴拡げ性および延性に優れた高強度薄鋼板およびその製造方法 |
JP4102281B2 (ja) * | 2003-04-17 | 2008-06-18 | 新日本製鐵株式会社 | 耐水素脆化、溶接性および穴拡げ性に優れた高強度薄鋼板及びその製造方法 |
US20050150580A1 (en) * | 2004-01-09 | 2005-07-14 | Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) | Ultra-high strength steel sheet having excellent hydrogen embrittlement resistance, and method for manufacturing the same |
US20050247378A1 (en) * | 2004-04-22 | 2005-11-10 | Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) | High-strength cold rolled steel sheet having excellent formability, and plated steel sheet |
-
2005
- 2005-12-23 CA CA002531615A patent/CA2531615A1/en not_active Abandoned
- 2005-12-23 EP EP05028444.7A patent/EP1676932B1/en not_active Expired - Fee Related
- 2005-12-27 US US11/317,174 patent/US20060137768A1/en not_active Abandoned
- 2005-12-28 KR KR1020050131831A patent/KR100723092B1/ko active IP Right Grant
Non-Patent Citations (1)
Title |
---|
ISIJ International, Tokyo. JP, vol 40, no9, 902-908p * |
Also Published As
Publication number | Publication date |
---|---|
EP1676932B1 (en) | 2015-10-21 |
KR20060076744A (ko) | 2006-07-04 |
US20060137768A1 (en) | 2006-06-29 |
EP1676932A1 (en) | 2006-07-05 |
CA2531615A1 (en) | 2006-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100723092B1 (ko) | 내수소취화 특성이 뛰어난 초고강도 박 강판 | |
KR100886052B1 (ko) | 내수소취화 특성 및 가공성이 우수한 초고강도 박강판 | |
KR100990772B1 (ko) | 초고강도 박강판 | |
JP4684002B2 (ja) | 耐水素脆化特性に優れた超高強度薄鋼板 | |
KR101126827B1 (ko) | 고강도 박강판 | |
JP4412727B2 (ja) | 耐水素脆化特性に優れた超高強度鋼板及びその製造方法 | |
JP4174592B2 (ja) | 超高強度薄鋼板 | |
KR101574400B1 (ko) | 가공성이 우수한 고강도 강판 및 그의 제조 방법 | |
US20050150580A1 (en) | Ultra-high strength steel sheet having excellent hydrogen embrittlement resistance, and method for manufacturing the same | |
US9738956B2 (en) | Ultrahigh-strength steel sheet with excellent workability, and manufacturing method thereof | |
JP5503346B2 (ja) | 耐水素脆性に優れた超高強度薄鋼板 | |
EP1693476A1 (en) | Steel product for structural member of automobile and method for production thereof | |
KR20110089077A (ko) | 가공성이 우수한 고강도 냉연 강판 및 그의 제조방법 | |
JP4868771B2 (ja) | 耐水素脆化特性に優れた超高強度薄鋼板 | |
JP5025211B2 (ja) | 打抜き加工用の超高強度薄鋼板 | |
JP4553372B2 (ja) | 耐水素脆化特性に優れた超高強度薄鋼板 | |
JP4551815B2 (ja) | 耐水素脆化特性及び加工性に優れた超高強度薄鋼板 | |
JP4684003B2 (ja) | 耐水素脆化特性及び加工性に優れた超高強度薄鋼板 | |
JP2008127581A (ja) | 超高強度薄鋼板 | |
KR20200128159A (ko) | 고강도 강판 및 고강도 아연도금 강판 | |
JP4551816B2 (ja) | 耐水素脆化特性及び加工性に優れた超高強度薄鋼板 | |
US20230193415A1 (en) | Steel sheet and method for manufacturing steel sheet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130503 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140502 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20150416 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160419 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20170420 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180417 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20190417 Year of fee payment: 13 |