KR100905653B1 - 도금밀착성이 우수한 무산세 용융아연도금 열연강판 제조방법 - Google Patents
도금밀착성이 우수한 무산세 용융아연도금 열연강판 제조방법 Download PDFInfo
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- KR100905653B1 KR100905653B1 KR1020020085544A KR20020085544A KR100905653B1 KR 100905653 B1 KR100905653 B1 KR 100905653B1 KR 1020020085544 A KR1020020085544 A KR 1020020085544A KR 20020085544 A KR20020085544 A KR 20020085544A KR 100905653 B1 KR100905653 B1 KR 100905653B1
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- hot
- steel sheet
- plating
- rolled steel
- dip galvanized
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title abstract description 13
- 238000005554 pickling Methods 0.000 title abstract description 10
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000007747 plating Methods 0.000 claims abstract description 96
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011701 zinc Substances 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 6
- 230000014759 maintenance of location Effects 0.000 claims abstract description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 description 5
- 239000008397 galvanized steel Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000005246 galvanizing Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 229910018137 Al-Zn Inorganic materials 0.000 description 3
- 229910018573 Al—Zn Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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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
- C23C2/02—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
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- 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
- C23C2/34—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
Abstract
Description
No. | 환원가열조건 | 도금욕 조성 | 도금욕 온도(℃) | 품질평가 | 비고 | |||
온도(℃) | 시간(초) | Al | Sb | 합금층 형성유무 | 도금밀착성 지수* | |||
1 | 550 | 60 | 0.2 | 450~460 | × | 3 | 종래예 | |
2 | 550 | 400 | 0.2 | 450~460 | × | 2 | " | |
3 | 650 | 120 | 0.2 | 450~460 | × | 2 | " | |
4 | 650 | 250 | 0.2 | 450~460 | × | 1 | " | |
5 | 750 | 60 | 0.2 | 450~460 | × | 1 | " | |
6 | 820 | 30 | 0.2 | 450~460 | × | 1 | " | |
7 | 550 | 120 | 3 | 450~460 | × | 1 | " | |
8 | 550 | 60 | 5 | 450~460 | × | 1 | " | |
9 | 650 | 120 | 0.5 | 450~460 | × | 1 | " | |
10 | 600 | 60 | 0.25 | 0.3 | 480~500 | × | 3 | 비교예 |
11 | 600 | 60 | 0.25 | 0.7 | 480~500 | × | 2 | " |
12 | 600 | 60 | 0.25 | 1.2 | 480~500 | × | 2 | " |
13 | 600 | 60 | 0.25 | 1.7 | 480~500 | × | 1 | 발명예 |
14 | 600 | 60 | 0.25 | 2.2 | 480~500 | × | 1 | " |
15 | 600 | 60 | 0.25 | 2.7 | 480~500 | × | 1 | " |
16 | 600 | 60 | 0.25 | 3.2 | 480~500 | × | 1 | " |
17 | 600 | 60 | 0.25 | 3.7 | 480~500 | ○ | 2 | 비교예 |
18 | 600 | 60 | 0.20 | 0.7 | 480~500 | × | 2 | " |
19 | 600 | 60 | 0.20 | 1.2 | 480~500 | × | 2 | " |
20 | 600 | 60 | 0.20 | 2.2 | 480~500 | × | 1 | 발명예 |
21 | 550 | 65 | 0.25 | 2.2 | 480~500 | × | 1 | " |
22 | 600 | 55 | 0.25 | 1.7 | 480~500 | × | 1 | " |
23 | 550 | 55 | 0.25 | 3.2 | 480~500 | × | 1 | " |
* 도금밀착성 지수 : 1 박리없음 2 부분박리 3 완전박리
Claims (1)
- 열연스케일이 부착된 열연강판을 도금소재로 하는 무산세 용융아연도금 열연강판 제조방법에 있어서,환원열처리온도가 550~650℃이고, 유지시간이 55~65초인 환원열처리조건하에서 스케일층을 환원처리한 다음, 도금욕 조성이 Al 0.2~0.25wt%, Sb 1.7~3.2wt% 그리고 잔부 아연이고, 도금욕 온도가 480~500℃인 도금욕에 침적하여 도금하는 것을 특징으로 하는 도금밀착성이 우수한 무산세 용융아연도금 열연강판 제조방법.
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KR1020020085544A KR100905653B1 (ko) | 2002-12-27 | 2002-12-27 | 도금밀착성이 우수한 무산세 용융아연도금 열연강판 제조방법 |
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KR1020020085544A KR100905653B1 (ko) | 2002-12-27 | 2002-12-27 | 도금밀착성이 우수한 무산세 용융아연도금 열연강판 제조방법 |
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Publication Number | Publication Date |
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KR20040059019A KR20040059019A (ko) | 2004-07-05 |
KR100905653B1 true KR100905653B1 (ko) | 2009-06-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170010794A (ko) * | 2014-05-30 | 2017-02-01 | 바오샨 아이론 앤 스틸 유한공사 | 열연 무산세 직접 냉연 환원 어닐링 용융도금 제품의 생산방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0463259A (ja) * | 1990-07-03 | 1992-02-28 | Nippon Steel Corp | 加工性に優れた溶融合金化亜鉛めっき鋼板及びその製造方法 |
JPH10298659A (ja) | 1997-04-22 | 1998-11-10 | Kobe Steel Ltd | めっき密着性に優れる溶融亜鉛系めっき鋼板の製造方法 |
KR19990041446A (ko) * | 1997-11-21 | 1999-06-15 | 이구택 | 내식성 및 도금밀착성이 우수한 탈스케일 공정생략형 용융아연도금강판 제조방법 |
JP2000199017A (ja) | 1998-12-29 | 2000-07-18 | Pohang Iron & Steel Co Ltd | 酸洗を省いて高速で熱間圧延亜鉛鋼板を製造する方法 |
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2002
- 2002-12-27 KR KR1020020085544A patent/KR100905653B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0463259A (ja) * | 1990-07-03 | 1992-02-28 | Nippon Steel Corp | 加工性に優れた溶融合金化亜鉛めっき鋼板及びその製造方法 |
JPH10298659A (ja) | 1997-04-22 | 1998-11-10 | Kobe Steel Ltd | めっき密着性に優れる溶融亜鉛系めっき鋼板の製造方法 |
KR19990041446A (ko) * | 1997-11-21 | 1999-06-15 | 이구택 | 내식성 및 도금밀착성이 우수한 탈스케일 공정생략형 용융아연도금강판 제조방법 |
JP2000199017A (ja) | 1998-12-29 | 2000-07-18 | Pohang Iron & Steel Co Ltd | 酸洗を省いて高速で熱間圧延亜鉛鋼板を製造する方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170010794A (ko) * | 2014-05-30 | 2017-02-01 | 바오샨 아이론 앤 스틸 유한공사 | 열연 무산세 직접 냉연 환원 어닐링 용융도금 제품의 생산방법 |
KR102337241B1 (ko) | 2014-05-30 | 2021-12-09 | 바오샨 아이론 앤 스틸 유한공사 | 열연 무산세 직접 냉연 환원 어닐링 용융도금 제품의 생산방법 |
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