KR970043248A - 도금밀착성이 우수한 용융아연 도금강판 제조방법 - Google Patents
도금밀착성이 우수한 용융아연 도금강판 제조방법 Download PDFInfo
- Publication number
- KR970043248A KR970043248A KR1019950048479A KR19950048479A KR970043248A KR 970043248 A KR970043248 A KR 970043248A KR 1019950048479 A KR1019950048479 A KR 1019950048479A KR 19950048479 A KR19950048479 A KR 19950048479A KR 970043248 A KR970043248 A KR 970043248A
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- dip galvanized
- hot
- plating
- galvanized steel
- Prior art date
Links
- 238000007747 plating Methods 0.000 title claims abstract description 12
- 229910001335 Galvanized steel Inorganic materials 0.000 title claims abstract 7
- 239000008397 galvanized steel Substances 0.000 title claims abstract 7
- 238000004519 manufacturing process Methods 0.000 title claims abstract 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract 4
- 238000000151 deposition Methods 0.000 claims 1
- 239000004566 building material Substances 0.000 abstract 1
- 238000005246 galvanizing Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 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
- C23C2/34—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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Abstract
본 발명은 건자재용, 가전용 및 자동차용 강판으로 사용되는 용융아연 도금강판의 제조방법에 관한 것으로, Cr 및 Si를 단독 또는 복합으로 0.2중량%이상으로 함유하는 고강도강 및 고가공성강을 도금소재로하여 용융아연 도금시 강판 인입온도와 도금욕의 Al농도 및 온도를 적절히 제어하므로서 미도금 발생이 없고 도금 밀착성이 우수한 용융아연 도금 강판을 제공하고자 하는데, 그 목적있다. 상기한 목적을 달성하기 위한 본 발명은 Si 및 Cr을 단독 또는 복합으로 0.2중량%이상으로 함유하는 고강도강 및 고가공성강을 도금소재로하여 용융아연 도금 강판을 제조하는 방법에 있어서 상기 도금소재 강판을 열처리한후, 열처리된 소재강판을 480-500℃의 동도범위로 유지한 상태에서 Al농도가 0.25-0.5중량%범위이고 그 온도가 480-500℃의 범위인 도금욕에 침적하여 용융아연 도금하는 것을 포함하여 이루어지는 도금밀착성이 우수한 용융아연 도금강판의 제조방법에 관한 것을 그 요지로 한다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 도금욕 온도 및 강판 인입온도 변화에 따른 미도금분율의 변화를 나타낸 그래프,
제2도는 도금욕의 Al농도 변화에 따른 도금밀착성 변화를 나타낸 그래프
Claims (1)
- Si 및 Cr을 단독 또는 복합으로 0.2중량%이상으로 함유하는 고강도강 및 고가공성강을 도금소재로하여 용융아연 도금 강판을 제조하는 방법에 있어서, 상기 도금소재 강판을 열처리한후, 열처리된 소재강판을 480-500℃의 동도범위로 유지한 상태에서 Al농도가 0.25-0.5중량%범위이고 그 온도가 480-500℃의 범위인 도금욕에 침적하여 용융아연 도금하는 것을 포함하여 이루어지는 도금밀착성이 우수한 용융아연 도금강판의 제조방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950048479A KR100244632B1 (ko) | 1995-12-11 | 1995-12-11 | 도금 밀착성이 우수한 용융아연 도금강판 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950048479A KR100244632B1 (ko) | 1995-12-11 | 1995-12-11 | 도금 밀착성이 우수한 용융아연 도금강판 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970043248A true KR970043248A (ko) | 1997-07-26 |
KR100244632B1 KR100244632B1 (ko) | 2000-03-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019950048479A KR100244632B1 (ko) | 1995-12-11 | 1995-12-11 | 도금 밀착성이 우수한 용융아연 도금강판 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100244632B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100370581B1 (ko) * | 1998-12-30 | 2003-03-17 | 주식회사 포스코 | 도금밀착성이 우수한 고강도 열연용융아연 도금강판의 제조방법 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0726360A (ja) * | 1993-07-09 | 1995-01-27 | Sumitomo Metal Ind Ltd | 低表面粗度合金化溶融亜鉛めっき鋼板の製造方法 |
-
1995
- 1995-12-11 KR KR1019950048479A patent/KR100244632B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100370581B1 (ko) * | 1998-12-30 | 2003-03-17 | 주식회사 포스코 | 도금밀착성이 우수한 고강도 열연용융아연 도금강판의 제조방법 |
Also Published As
Publication number | Publication date |
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KR100244632B1 (ko) | 2000-03-02 |
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