KR0143501B1 - 고강도 구조용 용융아연 도금강판의 제조방법 - Google Patents
고강도 구조용 용융아연 도금강판의 제조방법Info
- Publication number
- KR0143501B1 KR0143501B1 KR1019940029406A KR19940029406A KR0143501B1 KR 0143501 B1 KR0143501 B1 KR 0143501B1 KR 1019940029406 A KR1019940029406 A KR 1019940029406A KR 19940029406 A KR19940029406 A KR 19940029406A KR 0143501 B1 KR0143501 B1 KR 0143501B1
- Authority
- KR
- South Korea
- Prior art keywords
- hot
- steel sheet
- galvanized steel
- dip galvanized
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0278—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (1)
- 강슬라브를 연간압연 및 냉간압연한 후, 연속용융아연 도금라인(CGL)에서 연속용융아연도금한 후 조질압연, 후처리 및 권취하여 이루어지는 고강도 구조용 용융아연 도금강판을 제조하는 방법에 있어서, 중량%로 C:0.04-0.10%, Mn:0.20-0.50%, Si:0.02%이하, P:0.02%이하, S:0.02%이하, Ti:0.05-0.10%, N:0.01%이하, 잔부 Fe 및 기타 불가피한 불순물로 조성되고, 유효 Ti*(Ti*=Ti-4C-3.4N-1.5S)가 -(negative) 값을 갖는 강슬라브를 열간압연하고, 540-580℃에서 권취한 다음, 냉간압연한 후, 전처리하여 620-680℃에서 CGL소둔한 다음, 용융아연도금하는 것을 포함하여 이루어짐을 특징으로 하는 고강도 구조용 용융아연 도금강판의 제조방법
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940029406A KR0143501B1 (ko) | 1994-11-10 | 1994-11-10 | 고강도 구조용 용융아연 도금강판의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940029406A KR0143501B1 (ko) | 1994-11-10 | 1994-11-10 | 고강도 구조용 용융아연 도금강판의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960017897A KR960017897A (ko) | 1996-06-17 |
| KR0143501B1 true KR0143501B1 (ko) | 1998-08-17 |
Family
ID=19397536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940029406A Expired - Fee Related KR0143501B1 (ko) | 1994-11-10 | 1994-11-10 | 고강도 구조용 용융아연 도금강판의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0143501B1 (ko) |
-
1994
- 1994-11-10 KR KR1019940029406A patent/KR0143501B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR960017897A (ko) | 1996-06-17 |
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