KR100544538B1 - 가공성이 우수한 비시효 소부경화형 냉연고장력강판과 그제조방법 - Google Patents
가공성이 우수한 비시효 소부경화형 냉연고장력강판과 그제조방법 Download PDFInfo
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- KR100544538B1 KR100544538B1 KR1020010082239A KR20010082239A KR100544538B1 KR 100544538 B1 KR100544538 B1 KR 100544538B1 KR 1020010082239 A KR1020010082239 A KR 1020010082239A KR 20010082239 A KR20010082239 A KR 20010082239A KR 100544538 B1 KR100544538 B1 KR 100544538B1
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- steel sheet
- less
- rolled steel
- aging
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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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0252—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with application of tension
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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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- 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
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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- 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)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (3)
- 중량%로 C:0.0050%이하, Mn:0.5~3.0%, P:0.1% 이하, Si:0.1~0.3% , Mo : 0.1~0.5%, Cr, Ni, V, Zr의 그룹에서 선택된 1종 또는 2종이상: 0.1초과~0.2%이하, 나머지 Fe와 불가피하게 함유되는 불순물로 조성되는 가공성이 우수한 비시효 소부경화형 45Kg/㎟급 냉연강판.
- 제 1항에 있어서, 상기 냉연강판은 소성이방성계수(r값)가 1.6이상임을 특징으로 하는 성형성이 우수한 비시효 소부경화형 45Kg/㎟급 냉연강판.
- 중량%로 C:0.0050%이하, Mn:0.5~3.0%, P:0.1% 이하, Si:0.1~0.3% , Mo : 0.1~0.5%, Cr, Ni, V, Zr의 그룹에서 선택된 1종 또는 2종이상 : 0.1초과~0.2%이하, 나머지 Fe와 불가피하게 함유되는 불순물로 조성되는 알루미늄 킬드강을 1200∼1250℃의 온도범위에서 균질화처리후, 마무리압연온도 Ar3이상의 조건으로 열간압연하여 권취한 다음, 냉간압연하고, 800℃ 이상에서 소둔하여 30℃/초 이상의 속도로 냉각한 후 조질압연하는 것을 포함하여 이루어지는 성형성이 우수한 비시효 소부경화형 45Kg/㎟급 냉연강판의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020010082239A KR100544538B1 (ko) | 2001-12-21 | 2001-12-21 | 가공성이 우수한 비시효 소부경화형 냉연고장력강판과 그제조방법 |
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KR1020010082239A KR100544538B1 (ko) | 2001-12-21 | 2001-12-21 | 가공성이 우수한 비시효 소부경화형 냉연고장력강판과 그제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030052349A KR20030052349A (ko) | 2003-06-27 |
KR100544538B1 true KR100544538B1 (ko) | 2006-01-24 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63171832A (ja) * | 1987-01-09 | 1988-07-15 | Nippon Steel Corp | 常温非時効性及び焼付硬化性の優れた冷延鋼板の製造方法 |
KR0121737B1 (ko) * | 1992-08-31 | 1997-12-04 | 다나까 미노루 | 소부 경화성, 상온 비시효성 및 가공성이 우수한 냉연강판 및 용융아연 도금 냉연강판 및 그의 제조방법 |
KR20000042049A (ko) * | 1998-12-24 | 2000-07-15 | 이구택 | 성형성이 우수한 연질유기피복용 냉연강판의 제조방법 |
KR100415676B1 (ko) * | 1999-12-28 | 2004-01-31 | 주식회사 포스코 | 가공성이 우수한 비시효성 관용강판 및 그 제조방법 |
-
2001
- 2001-12-21 KR KR1020010082239A patent/KR100544538B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63171832A (ja) * | 1987-01-09 | 1988-07-15 | Nippon Steel Corp | 常温非時効性及び焼付硬化性の優れた冷延鋼板の製造方法 |
KR0121737B1 (ko) * | 1992-08-31 | 1997-12-04 | 다나까 미노루 | 소부 경화성, 상온 비시효성 및 가공성이 우수한 냉연강판 및 용융아연 도금 냉연강판 및 그의 제조방법 |
KR20000042049A (ko) * | 1998-12-24 | 2000-07-15 | 이구택 | 성형성이 우수한 연질유기피복용 냉연강판의 제조방법 |
KR100415676B1 (ko) * | 1999-12-28 | 2004-01-31 | 주식회사 포스코 | 가공성이 우수한 비시효성 관용강판 및 그 제조방법 |
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