KR100819218B1 - 화성 처리성이 우수한 열연 강판 및 그 제조 방법 - Google Patents
화성 처리성이 우수한 열연 강판 및 그 제조 방법 Download PDFInfo
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- KR100819218B1 KR100819218B1 KR1020067008689A KR20067008689A KR100819218B1 KR 100819218 B1 KR100819218 B1 KR 100819218B1 KR 1020067008689 A KR1020067008689 A KR 1020067008689A KR 20067008689 A KR20067008689 A KR 20067008689A KR 100819218 B1 KR100819218 B1 KR 100819218B1
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- chemical conversion
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 111
- 239000010959 steel Substances 0.000 title claims abstract description 111
- 239000000126 substance Substances 0.000 title claims abstract description 58
- 238000011282 treatment Methods 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005554 pickling Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000005098 hot rolling Methods 0.000 claims abstract description 13
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 150000002500 ions Chemical class 0.000 claims description 12
- 238000007654 immersion Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 15
- 238000000576 coating method Methods 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 235000021110 pickles Nutrition 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 15
- 239000000243 solution Substances 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000012847 fine chemical Substances 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000004453 electron probe microanalysis Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- 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
- 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
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
-
- 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
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)
- Heat Treatment Of Sheet Steel (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims (7)
- 열간 압연 및 산세척 공정을 경유하여 제조된 강판이며,성분 조성이 질량 %로,C : 0.03 내지 0.15 %, Si : 0.8 내지 3.0 %,Mn : 0.5 내지 3.0 %, P : 0.07 % 이하,S : 0.01 % 이하, Al : 0.015 내지 0.1 %,N : 0.001 내지 0.008 %를 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지고, 강판 표면의 산화물이 질량 %로, Si 농도 3.5 % 이하, Mn 농도 3.5 % 이하인 것을 특징으로 하는 화성 처리성이 우수한 열연 강판.
- 열간 압연 및 산세척 공정을 경유하여 제조된 강판이며, 성분 조성이 질량 %로,C : 0.03 내지 0.15 %, Si: 0.8 내지 3.0 %,Mn : 0.5 내지 3.0 %, P: 0.07 % 이하,S : 0.01 % 이하, Al: 0.015 내지 0.1 %,N : 0.001 내지 0.008 %를 함유하고, 또한,Ti : 0.02 내지 0.3 %와 Nb : 0.01 내지 0.5 %의 한쪽 또는 양쪽과,Cu : 0.2 내지 1.8 % 및 Ni : 0.1 내지 2.0 %와,Mo : 0.05 내지 0.5 %와,B : 0.0002 내지 0.006 %와,Ca : 0.0005 내지 0.005 %를 단독 또는 조합하여 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지고, 강판 표면의 산화물이 질량 %로, Si 농도 3.5 % 이하, Mn 농도 3.5 % 이하인 것을 특징으로 하는 화성 처리성이 우수한 열연 강판.
- 제1항 또는 제2항에 있어서, 강판 표면의 평균 거칠기(Ra)가 3.0 ㎛ 이하이고, 또한 산세척에 의한 직경 1 ㎛ 이하, 0.3 ㎛ 이상의 피팅의 수가 1변 10 ㎛의 스퀘어로 강판 표면을 분할하였을 때의 각 스퀘어 내에 평균 5개 이하인 것을 특징으로 하는 화성 처리성이 우수한 열연 강판.
- 제1항 또는 제2항에 기재된 열연 강판을 제조할 때의 산세척 공정에서, 질량 %로, HCl 농도가 7 내지 15 %, Fe 이온 농도가 4 내지 12 %, 잔량부가 Fe 이외의 금속 이온 및 불순물로 이루어지는 수용액에, 액온 80 내지 98 ℃에서 40초 이상 침지하는 것을 특징으로 하는 화성 처리성이 우수한 열연 강판의 제조 방법.
- 제3항에 기재된 열연 강판을 제조할 때의 산세척 공정에서, 질량 %로, HCl 농도가 7 내지 15 %, Fe 이온 농도가 4 내지 12 %, 잔량부가 Fe 이외의 금속 이 온 및 불순물로 이루어지는 수용액에, 액온 80 내지 95 ℃에서 40초 이상이고, HCl 농도(질량 %) × 침지 시간(초)이 520 이하가 되는 범위의 시간 침지하는 것을 특징으로 하는 화성 처리성이 우수한 열연 강판의 제조 방법.
- 제4항에 있어서, 상기 수용액 중에 질량 %로, 0.5 내지 5 %의 HN03를 함유시키는 것을 특징으로 하는 화성 처리성이 우수한 열연 강판의 제조 방법.
- 제5항에 있어서, 상기 수용액 중에 질량 %로, 0.5 내지 5 %의 HN03를 함유시키는 것을 특징으로 하는 화성 처리성이 우수한 열연 강판의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003375182A JP4206029B2 (ja) | 2003-11-05 | 2003-11-05 | 化成処理性に優れた熱延鋼板およびその製造方法 |
JPJP-P-2003-00375182 | 2003-11-05 |
Publications (2)
Publication Number | Publication Date |
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KR20060085939A KR20060085939A (ko) | 2006-07-28 |
KR100819218B1 true KR100819218B1 (ko) | 2008-04-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020067008689A KR100819218B1 (ko) | 2003-11-05 | 2004-11-04 | 화성 처리성이 우수한 열연 강판 및 그 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7820099B2 (ko) |
JP (1) | JP4206029B2 (ko) |
KR (1) | KR100819218B1 (ko) |
CN (1) | CN1875123B (ko) |
TW (1) | TWI251028B (ko) |
WO (1) | WO2005045084A1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8986468B2 (en) * | 2005-03-31 | 2015-03-24 | Kobe Steel, Ltd. | High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile |
JP2007162057A (ja) * | 2005-12-13 | 2007-06-28 | Jfe Steel Kk | リン酸塩処理性に優れた高強度鋼板 |
US20110079244A1 (en) * | 2008-05-30 | 2011-04-07 | Kenichi Uemura | Pickling method and pickling system of steel sheet |
CN101659175B (zh) * | 2009-09-02 | 2012-11-21 | 苏州扬子江新型材料股份有限公司 | 一种抗刮耐磨彩色涂层钢板 |
EP2503014B1 (en) | 2009-11-18 | 2019-01-02 | Nippon Steel & Sumitomo Metal Corporation | High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility, and method for producing said high strength hot-rolled steel plate |
JP5835558B2 (ja) * | 2010-08-31 | 2015-12-24 | Jfeスチール株式会社 | 冷延鋼板の製造方法 |
US20150013716A1 (en) * | 2012-01-18 | 2015-01-15 | Jfe Steel Corporation | Method for prevention of yellowing on surface of steel sheet after pickling |
JP6160655B2 (ja) * | 2014-07-14 | 2017-07-12 | Jfeスチール株式会社 | 熱延鋼板及びその製造方法 |
JP6123754B2 (ja) * | 2014-08-14 | 2017-05-10 | Jfeスチール株式会社 | 化成処理性に優れるSi含有熱延鋼板およびその製造方法 |
CN115466947B (zh) * | 2022-08-31 | 2024-01-16 | 马鞍山钢铁股份有限公司 | 一种免涂装耐候钢表面稳定化处理剂及免涂装耐候钢的表面处理方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01150187A (ja) * | 1987-12-08 | 1989-06-13 | Matsushita Electric Ind Co Ltd | クリーニング装置 |
JPH02138490A (ja) * | 1988-11-17 | 1990-05-28 | Kobe Steel Ltd | 接着性高炭素熱延鋼板の製造方法 |
JP2003155541A (ja) * | 2001-11-16 | 2003-05-30 | Nippon Steel Corp | 耐食性と伸びフランジ性に優れた高強度熱延鋼板、およびその製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3358938B2 (ja) | 1996-06-10 | 2002-12-24 | 株式会社神戸製鋼所 | 化成処理性と加工性にすぐれる高強度熱延鋼板 |
JP3702652B2 (ja) | 1997-06-04 | 2005-10-05 | Jfeスチール株式会社 | 塗装後の耐食性及び耐衝撃特性に優れる高強度高加工性鋼板 |
CN1147609C (zh) * | 2000-04-07 | 2004-04-28 | 川崎制铁株式会社 | 具有优良应变时效硬化特性的钢板及其制造方法 |
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2003
- 2003-11-05 JP JP2003375182A patent/JP4206029B2/ja not_active Expired - Lifetime
-
2004
- 2004-11-04 US US10/578,145 patent/US7820099B2/en not_active Expired - Fee Related
- 2004-11-04 KR KR1020067008689A patent/KR100819218B1/ko active IP Right Grant
- 2004-11-04 CN CN2004800323515A patent/CN1875123B/zh active Active
- 2004-11-04 WO PCT/JP2004/016692 patent/WO2005045084A1/ja active Application Filing
- 2004-11-05 TW TW093133806A patent/TWI251028B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01150187A (ja) * | 1987-12-08 | 1989-06-13 | Matsushita Electric Ind Co Ltd | クリーニング装置 |
JPH02138490A (ja) * | 1988-11-17 | 1990-05-28 | Kobe Steel Ltd | 接着性高炭素熱延鋼板の製造方法 |
JP2003155541A (ja) * | 2001-11-16 | 2003-05-30 | Nippon Steel Corp | 耐食性と伸びフランジ性に優れた高強度熱延鋼板、およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US7820099B2 (en) | 2010-10-26 |
JP2005139486A (ja) | 2005-06-02 |
US20070138138A1 (en) | 2007-06-21 |
TW200521245A (en) | 2005-07-01 |
WO2005045084A1 (ja) | 2005-05-19 |
JP4206029B2 (ja) | 2009-01-07 |
CN1875123A (zh) | 2006-12-06 |
CN1875123B (zh) | 2011-09-07 |
TWI251028B (en) | 2006-03-11 |
KR20060085939A (ko) | 2006-07-28 |
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