KR101616252B1 - 표면광택이 우수한 용융알루미늄도금강판의 제조방법 - Google Patents
표면광택이 우수한 용융알루미늄도금강판의 제조방법 Download PDFInfo
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- KR101616252B1 KR101616252B1 KR1020140127530A KR20140127530A KR101616252B1 KR 101616252 B1 KR101616252 B1 KR 101616252B1 KR 1020140127530 A KR1020140127530 A KR 1020140127530A KR 20140127530 A KR20140127530 A KR 20140127530A KR 101616252 B1 KR101616252 B1 KR 101616252B1
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- KR
- South Korea
- Prior art keywords
- steel sheet
- molten aluminum
- plated steel
- temper rolling
- work roll
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 75
- 239000010959 steel Substances 0.000 title claims abstract description 75
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 230000003746 surface roughness Effects 0.000 claims description 21
- 230000009467 reduction Effects 0.000 claims description 13
- 238000007747 plating Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 8
- 238000002310 reflectometry Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- 229910018084 Al-Fe Inorganic materials 0.000 description 1
- 229910018192 Al—Fe Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012546 transfer Methods 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
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/50—Controlling or regulating the coating processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Metal Rolling (AREA)
Abstract
Description
구분 | 1차압연 압하율(%) |
2차압연 압하율(%) |
표면조도 Ra(㎛) | 표면광택 | 평가 | 합금층 균열 |
발명예1 | 1.5 | 1.5 | 0.20 | 463 | △ | X |
발명예2 | 1.5 | 2 | 0.15 | 535 | ○ | X |
발명예3 | 1.5 | 3 | 0.11 | 557 | ◎ | X |
비교예1 | 20 | - | 0.18 | 485 | △ | O |
비교예2 | 30 | - | 0.12 | 523 | △ | O |
비교예3 | 1.5 | - | 1.5. | 62 | △ | X |
비교예4 | 2 | - | 1.2 | 71 | △ | X |
비교예5 | 2.2 | - | 1.2 | 74 | △ | X |
Claims (7)
- 소지강판을 용융알루미늄욕에 침지하여 용융알루미늄도금강판을 얻는 단계;
상기 용융알루미늄도금강판을 냉각하는 단계;
상기 냉각된 용융알루미늄도금강판을 1차 워크롤을 이용하여 1차 조질압연하는 단계; 및
상기 1차 조질압연된 용융알루미늄도금강판을 브라이트 가공된 2차 워크롤을 이용하여 2차 조질압연하는 단계를 포함하고,
상기 1차 워크롤의 표면 조도가 0.2~0.5μm이고, 상기 2차 워크롤의 표면 조도는 0.1~0.2μm이며,
상기 1차 조질압연하는 단계는 압하율 0.5~2.0%로 행하고, 상기 2차 조질압연하는 단계는 압하율 1.5~5%로 행하며, 그리고
상기 2차 조질압연으로 제조되는 용융알루미늄도금강판의 표면 조도가 0.2μm이하이고, 60도에서 측정한 표면광택이 60º 463~557%인 것을 특징으로 하는 표면광택이 우수한 용융알루미늄도금강판의 제조방법.
- 제 1항에 있어서,
3 내지 5차 조질압연하는 단계를 추가로 포함하는 것을 특징으로 하는 표면광택이 우수한 용융알루미늄도금강판의 제조방법.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, 상기 용융알루미늄욕은 중량%로, 실리콘(Si): 8.7~9.3%, 철(Fe): 2.0~3.0% 및 잔부 알루미늄(Al)을 포함하는 것을 특징으로 하는 표면광택이 우수한 용융알루미늄도금강판의 제조방법.
- 제1항에 있어서, 용융알루미늄도금강판을 얻는 단계는 도금량이 40~200g/m2가 되도록 행하는 것을 특징으로 하는 표면광택이 우수한 용융알루미늄도금강판의 제조방법.
Priority Applications (1)
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KR1020140127530A KR101616252B1 (ko) | 2014-09-24 | 2014-09-24 | 표면광택이 우수한 용융알루미늄도금강판의 제조방법 |
Applications Claiming Priority (1)
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KR1020140127530A KR101616252B1 (ko) | 2014-09-24 | 2014-09-24 | 표면광택이 우수한 용융알루미늄도금강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20160036139A KR20160036139A (ko) | 2016-04-04 |
KR101616252B1 true KR101616252B1 (ko) | 2016-05-02 |
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KR1020140127530A Active KR101616252B1 (ko) | 2014-09-24 | 2014-09-24 | 표면광택이 우수한 용융알루미늄도금강판의 제조방법 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101830549B1 (ko) * | 2016-12-14 | 2018-02-20 | 주식회사 포스코 | 프레스 성형성 및 도장 선영성이 우수한 용융아연도금강판의 제조방법 및 이에 의해 제조된 용융아연도금강판 |
KR102363286B1 (ko) * | 2020-06-25 | 2022-02-15 | 포스코강판 주식회사 | 광반사율이 우수한 도금강판 및 그 제조방법 |
CN116288107A (zh) * | 2023-02-10 | 2023-06-23 | 唐山钢铁集团高强汽车板有限公司 | 提高铝硅镀层钢涂装后鲜映性的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001303228A (ja) | 2000-04-27 | 2001-10-31 | Sumitomo Metal Ind Ltd | スポット溶接性にすぐれた合金化溶融亜鉛めっき鋼板とその製造方法および評価方法 |
JP2009249683A (ja) * | 2008-04-07 | 2009-10-29 | Nippon Steel Corp | 表面が梨肌模様の溶融アルミニウムめっき鋼板の製造方法 |
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2014
- 2014-09-24 KR KR1020140127530A patent/KR101616252B1/ko active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001303228A (ja) | 2000-04-27 | 2001-10-31 | Sumitomo Metal Ind Ltd | スポット溶接性にすぐれた合金化溶融亜鉛めっき鋼板とその製造方法および評価方法 |
JP2009249683A (ja) * | 2008-04-07 | 2009-10-29 | Nippon Steel Corp | 表面が梨肌模様の溶融アルミニウムめっき鋼板の製造方法 |
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