KR100530048B1 - 표면외관이 우수한 합금화 용융아연 도금강판의 제조방법 - Google Patents
표면외관이 우수한 합금화 용융아연 도금강판의 제조방법 Download PDFInfo
- Publication number
- KR100530048B1 KR100530048B1 KR10-2001-0011694A KR20010011694A KR100530048B1 KR 100530048 B1 KR100530048 B1 KR 100530048B1 KR 20010011694 A KR20010011694 A KR 20010011694A KR 100530048 B1 KR100530048 B1 KR 100530048B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- dip galvanized
- alloyed hot
- surface appearance
- galvanized steel
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005246 galvanizing Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000000137 annealing Methods 0.000 claims abstract description 24
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 21
- 239000008397 galvanized steel Substances 0.000 claims abstract description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010960 cold rolled steel Substances 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000007747 plating Methods 0.000 abstract description 46
- 230000007547 defect Effects 0.000 abstract description 19
- 238000005098 hot rolling Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 58
- 238000005275 alloying Methods 0.000 description 19
- 238000009792 diffusion process Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 230000001629 suppression Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000010936 titanium Substances 0.000 description 8
- 239000011572 manganese Substances 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 5
- -1 iron-zinc-aluminum-silicon Chemical compound 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001297 Zn alloy Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 3
- 229910002059 quaternary alloy Inorganic materials 0.000 description 3
- 239000011856 silicon-based particle Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910000905 alloy phase Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 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
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
-
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Coating With Molten Metal (AREA)
Abstract
Description
구분 | 수소농도(vol%) | 이슬점 온도(℃) | 산화피막두께(Å) | 표면외관 |
발명예 1 | 30 | -45 | 480 | 양호 |
발명예 2 | 60 | -55 | 250 | 양호 |
비교예 1 | 5 | -42 | 1800 | 불량 |
비교예 2 | 15 | -50 | 950 | 불량 |
비교예 3 | 60 | -20 | 1200 | 불량 |
비교예 4 | 80 | -30 | 850 | 불량 |
구분 | Al(wt%) | Si(wt%) | 크레이터 분율(%) | 표면외관 |
발명예 a | 0.132 | 0.03 | 4 | 양호 |
발명예 b | 0.138 | 0.07 | 2 | 양호 |
비교예 a | 0.125 | 0.04 | 23 | 불량 |
비교예 b | 0.145 | 0.08 | 28 | 불량 |
비교예 c | 0.135 | 0.001 | 8 | 불량 |
비교예 d | 0.137 | 0.15 | 1 | 불량 |
Claims (2)
- 합금화 용융아연 도금강판의 제조방법에 있어서,냉연강판을 수소분위기 농도: 20∼100vol%, 이슬점 온도: -40∼-60℃로 하여 소둔열처리하는 단계;상기 소둔열처리된 냉연강판을 알루미늄(Al) 함량이 0.13∼0.14wt%이고 실리콘(Si)이 0.01∼0.1wt% 첨가된 용융아연 도금욕에 통과시켜 용융도금하는 단계; 그리고상기 도금된 강판의 아연도금층이 완전히 굳기 전에 합금화열처리하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 표면외관이 우수한 합금화 용융아연 도금강판의 제조방법.
- 제 1항에 있어서, 상기 소둔열처리후 냉연강판상의 산화피막은 그 두께가 500Å 이하인 것을 특징으로 하는 표면외관이 우수한 합금화 용융아연 도금강판의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0011694A KR100530048B1 (ko) | 2001-03-07 | 2001-03-07 | 표면외관이 우수한 합금화 용융아연 도금강판의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2001-0011694A KR100530048B1 (ko) | 2001-03-07 | 2001-03-07 | 표면외관이 우수한 합금화 용융아연 도금강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020071578A KR20020071578A (ko) | 2002-09-13 |
KR100530048B1 true KR100530048B1 (ko) | 2005-11-22 |
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KR10-2001-0011694A KR100530048B1 (ko) | 2001-03-07 | 2001-03-07 | 표면외관이 우수한 합금화 용융아연 도금강판의 제조방법 |
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KR (1) | KR100530048B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6962452B2 (ja) * | 2018-03-28 | 2021-11-05 | Jfeスチール株式会社 | 高強度合金化溶融亜鉛めっき鋼板およびその製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04218655A (ja) * | 1990-11-14 | 1992-08-10 | Nippon Steel Corp | 加工性に優れた合金化溶融亜鉛めっき鋼板の製造方法 |
JPH04235266A (ja) * | 1991-01-09 | 1992-08-24 | Nippon Steel Corp | 加工性及び耐食性に優れた合金化溶融亜鉛めっき鋼板の製造方法 |
JPH0641707A (ja) * | 1992-07-23 | 1994-02-15 | Sumitomo Metal Ind Ltd | 合金化溶融亜鉛めっき鋼板およびその製造方法 |
JPH07316764A (ja) * | 1994-05-31 | 1995-12-05 | Sumitomo Metal Ind Ltd | 合金化溶融亜鉛めっき鋼板の製造方法 |
KR19990041443A (ko) * | 1997-11-21 | 1999-06-15 | 이구택 | 도금부착성 및 합금화 처리성이 우수한 고강도 합금화 용융아연도금강판의 제조방법 |
-
2001
- 2001-03-07 KR KR10-2001-0011694A patent/KR100530048B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04218655A (ja) * | 1990-11-14 | 1992-08-10 | Nippon Steel Corp | 加工性に優れた合金化溶融亜鉛めっき鋼板の製造方法 |
JPH04235266A (ja) * | 1991-01-09 | 1992-08-24 | Nippon Steel Corp | 加工性及び耐食性に優れた合金化溶融亜鉛めっき鋼板の製造方法 |
JPH0641707A (ja) * | 1992-07-23 | 1994-02-15 | Sumitomo Metal Ind Ltd | 合金化溶融亜鉛めっき鋼板およびその製造方法 |
JPH07316764A (ja) * | 1994-05-31 | 1995-12-05 | Sumitomo Metal Ind Ltd | 合金化溶融亜鉛めっき鋼板の製造方法 |
KR19990041443A (ko) * | 1997-11-21 | 1999-06-15 | 이구택 | 도금부착성 및 합금화 처리성이 우수한 고강도 합금화 용융아연도금강판의 제조방법 |
Also Published As
Publication number | Publication date |
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KR20020071578A (ko) | 2002-09-13 |
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