KR100934089B1 - 복합조직 열연강판 제조방법 - Google Patents
복합조직 열연강판 제조방법 Download PDFInfo
- Publication number
- KR100934089B1 KR100934089B1 KR1020020082622A KR20020082622A KR100934089B1 KR 100934089 B1 KR100934089 B1 KR 100934089B1 KR 1020020082622 A KR1020020082622 A KR 1020020082622A KR 20020082622 A KR20020082622 A KR 20020082622A KR 100934089 B1 KR100934089 B1 KR 100934089B1
- Authority
- KR
- South Korea
- Prior art keywords
- rolling
- steel sheet
- hot
- weight
- less
- Prior art date
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Classifications
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
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- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
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- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims (1)
- C : 0.0020 중량% 이하와, Mn : 0.20 내지 0.30 중량%와, S : 0.01 중량% 이하와, P : 0.01 내지 0.02 중량%와, Si : 0.02 중량% 이하와, B : 0.006 중량% 이하와, Al : 0.01 내지 0.02 중량%와, Cr : 0.03 중량% 이하와, N : 0.002 중량% 이하 및 잔량으로 철(Fe)을 함유하되,상기 성분범위내에서 열간압연 개시는 1200℃의 온도로 일정시간 유지한 후 변태온도(890℃) 직전에 실시되고, 최종압연 전의 강판두께가 5 내지 7mm이고, 열간압연 압하율이 45 내지 50% 범위에 있고, 압연중 냉각속도가 800 내지 1,100oC/sec인 것을 특징으로 하는 복합조직 열연강판 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020082622A KR100934089B1 (ko) | 2002-12-23 | 2002-12-23 | 복합조직 열연강판 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020082622A KR100934089B1 (ko) | 2002-12-23 | 2002-12-23 | 복합조직 열연강판 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040056085A KR20040056085A (ko) | 2004-06-30 |
KR100934089B1 true KR100934089B1 (ko) | 2009-12-24 |
Family
ID=37348510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020082622A KR100934089B1 (ko) | 2002-12-23 | 2002-12-23 | 복합조직 열연강판 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100934089B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101439608B1 (ko) * | 2012-07-16 | 2014-09-11 | 주식회사 포스코 | 성형성이 우수한 가공용 열연강판 및 그 제조방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59166651A (ja) | 1983-03-10 | 1984-09-20 | Nippon Steel Corp | 超細粒フェライト相と焼入相の二相組織からなる二相高張力熱延鋼板 |
-
2002
- 2002-12-23 KR KR1020020082622A patent/KR100934089B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59166651A (ja) | 1983-03-10 | 1984-09-20 | Nippon Steel Corp | 超細粒フェライト相と焼入相の二相組織からなる二相高張力熱延鋼板 |
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Publication number | Publication date |
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KR20040056085A (ko) | 2004-06-30 |
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