JP6108028B2 - 冷延鋼板の製造方法 - Google Patents
冷延鋼板の製造方法 Download PDFInfo
- Publication number
- JP6108028B2 JP6108028B2 JP2016506113A JP2016506113A JP6108028B2 JP 6108028 B2 JP6108028 B2 JP 6108028B2 JP 2016506113 A JP2016506113 A JP 2016506113A JP 2016506113 A JP2016506113 A JP 2016506113A JP 6108028 B2 JP6108028 B2 JP 6108028B2
- Authority
- JP
- Japan
- Prior art keywords
- acid
- steel sheet
- cold
- pickling
- rolled steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010960 cold rolled steel Substances 0.000 title claims description 87
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 131
- 239000010959 steel Substances 0.000 claims description 131
- 238000005554 pickling Methods 0.000 claims description 84
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 72
- 239000002253 acid Substances 0.000 claims description 68
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 49
- 229910017604 nitric acid Inorganic materials 0.000 claims description 49
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 34
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 32
- 230000001590 oxidative effect Effects 0.000 claims description 19
- 150000002500 ions Chemical class 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 238000005097 cold rolling Methods 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 229940005657 pyrophosphoric acid Drugs 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 158
- 238000012360 testing method Methods 0.000 description 88
- 239000000126 substance Substances 0.000 description 85
- 238000006243 chemical reaction Methods 0.000 description 78
- 229910052742 iron Inorganic materials 0.000 description 73
- 230000007797 corrosion Effects 0.000 description 62
- 238000005260 corrosion Methods 0.000 description 62
- 239000000243 solution Substances 0.000 description 42
- 239000011248 coating agent Substances 0.000 description 37
- 238000000576 coating method Methods 0.000 description 37
- 150000003839 salts Chemical class 0.000 description 29
- 238000000137 annealing Methods 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 239000010410 layer Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 18
- 239000007921 spray Substances 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 16
- 229910004298 SiO 2 Inorganic materials 0.000 description 13
- 230000000694 effects Effects 0.000 description 13
- 238000004070 electrodeposition Methods 0.000 description 13
- 238000007654 immersion Methods 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 12
- 229910052748 manganese Inorganic materials 0.000 description 12
- 230000001965 increasing effect Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 230000009257 reactivity Effects 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 229910006639 Si—Mn Inorganic materials 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- -1 iron ion Chemical class 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000010422 painting Methods 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000005098 hot rolling Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 3
- 229910000165 zinc phosphate Inorganic materials 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000005237 degreasing agent Methods 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—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
- C22C38/02—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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/085—Iron or steel solutions containing HNO3
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0478—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular surface treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014041089 | 2014-03-04 | ||
JP2014041089 | 2014-03-04 | ||
PCT/JP2015/000777 WO2015133077A1 (ja) | 2014-03-04 | 2015-02-19 | 冷延鋼板およびその製造方法、ならびに自動車部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6108028B2 true JP6108028B2 (ja) | 2017-04-05 |
JPWO2015133077A1 JPWO2015133077A1 (ja) | 2017-04-06 |
Family
ID=54054897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016506113A Active JP6108028B2 (ja) | 2014-03-04 | 2015-02-19 | 冷延鋼板の製造方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3115482B1 (es) |
JP (1) | JP6108028B2 (es) |
CN (1) | CN106062253B (es) |
MX (1) | MX2016011278A (es) |
WO (1) | WO2015133077A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114318341B (zh) * | 2021-12-16 | 2023-09-05 | 东风汽车集团股份有限公司 | 一种铝合金金相腐蚀方法及其金相腐蚀剂 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2827289B2 (ja) * | 1989-06-23 | 1998-11-25 | 大同特殊鋼株式会社 | 金属の酸洗処理方法 |
JP3021164B2 (ja) * | 1992-02-14 | 2000-03-15 | 川崎製鉄株式会社 | 表面光沢の優れるオーステナイト系ステンレス鋼の製造方法 |
JP3059376B2 (ja) * | 1996-03-22 | 2000-07-04 | 川崎製鉄株式会社 | 光沢性および耐食性に優れるオーステナイト系ステンレス鋼板およびその製造方法 |
JP5729211B2 (ja) * | 2010-08-31 | 2015-06-03 | Jfeスチール株式会社 | 冷延鋼板の製造方法、冷延鋼板および自動車部材 |
US20150013716A1 (en) * | 2012-01-18 | 2015-01-15 | Jfe Steel Corporation | Method for prevention of yellowing on surface of steel sheet after pickling |
JP2013173976A (ja) * | 2012-02-24 | 2013-09-05 | Jfe Steel Corp | 冷延鋼板の製造方法およびその製造設備 |
JP6137089B2 (ja) * | 2014-09-02 | 2017-05-31 | Jfeスチール株式会社 | 冷延鋼板の製造方法および冷延鋼板の製造設備 |
-
2015
- 2015-02-19 WO PCT/JP2015/000777 patent/WO2015133077A1/ja active Application Filing
- 2015-02-19 MX MX2016011278A patent/MX2016011278A/es unknown
- 2015-02-19 EP EP15759246.0A patent/EP3115482B1/en active Active
- 2015-02-19 JP JP2016506113A patent/JP6108028B2/ja active Active
- 2015-02-19 CN CN201580011519.2A patent/CN106062253B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
MX2016011278A (es) | 2016-11-25 |
WO2015133077A1 (ja) | 2015-09-11 |
EP3115482B1 (en) | 2022-01-26 |
JPWO2015133077A1 (ja) | 2017-04-06 |
EP3115482A1 (en) | 2017-01-11 |
CN106062253A (zh) | 2016-10-26 |
CN106062253B (zh) | 2019-10-18 |
EP3115482A4 (en) | 2017-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5729211B2 (ja) | 冷延鋼板の製造方法、冷延鋼板および自動車部材 | |
JP6137089B2 (ja) | 冷延鋼板の製造方法および冷延鋼板の製造設備 | |
JP5835558B2 (ja) | 冷延鋼板の製造方法 | |
JP5482968B2 (ja) | 酸洗後の鋼板表面の黄変防止方法 | |
JP5818046B2 (ja) | Si含有高強度冷延鋼板の製造方法 | |
JP5835545B2 (ja) | Si含有熱延鋼板の製造方法 | |
JP6041079B1 (ja) | 冷延鋼帯の製造方法及び製造設備 | |
JP5835547B2 (ja) | Si含有冷延鋼板の製造方法 | |
JP5896165B2 (ja) | 酸洗後の鋼板表面の黄変防止方法 | |
WO2017007036A1 (ja) | 冷延鋼帯の製造方法及び製造設備 | |
JP6160655B2 (ja) | 熱延鋼板及びその製造方法 | |
JP6108028B2 (ja) | 冷延鋼板の製造方法 | |
JP5682366B2 (ja) | Si含有冷延鋼板の製造方法 | |
JP5835548B2 (ja) | Si含有冷延鋼板の製造方法 | |
WO2019021695A1 (ja) | 高強度冷延鋼板及びその製造方法 | |
JP2007126747A (ja) | 成形性および塗装後耐食性に優れた高強度冷延鋼板およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20161206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170126 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170207 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170220 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6108028 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |