KR20030053802A - 가공성이 우수한 복합조직 냉연강판 제조방법 - Google Patents
가공성이 우수한 복합조직 냉연강판 제조방법 Download PDFInfo
- Publication number
- KR20030053802A KR20030053802A KR1020010083807A KR20010083807A KR20030053802A KR 20030053802 A KR20030053802 A KR 20030053802A KR 1020010083807 A KR1020010083807 A KR 1020010083807A KR 20010083807 A KR20010083807 A KR 20010083807A KR 20030053802 A KR20030053802 A KR 20030053802A
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- rolled steel
- steel
- cold rolled
- hardening
- Prior art date
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 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0436—Cold 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—Final recrystallisation annealing
-
- 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
- C22C38/04—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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
-
- 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
Landscapes
- 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)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (1)
- 중량%로, C:0.0015-0.0054%, Mn:0.1-1.0%, P:0.001-0.1%, S:0.005%이하, N:0.003%이하, 산가용Al:0.1-0.2%, B:0.0001-0.003%, 여기에 Ti:0.01-0.10%, Nb:0.001-0.050%의 그룹에서 선택된 1종 또는 2종, 또한 Mo:0.01:0.05%, Cr:0.01-0.05%, V:0.01-0.05%, W:0.01-0.05%의 그룹에서 선택된 1종 또는 2종이상, 나머지 Fe와 기타 불가피한 불순물로 조성되는 강을 마무리압연온도 Ar3점 이상의 조건으로 열간압연하고, 560-680℃로 권취한 다음, 60-80%압하율로 냉간압연하고, 830-900℃의 온도에서 10초-180초 동안 연속소둔을 행하는 것을 포함하여 이루어짐을 특징으로 하는 드로잉성, 소부경화성 및 내2차가공취성이 우수한 냉연강판의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010083807A KR100544645B1 (ko) | 2001-12-24 | 2001-12-24 | 가공성이 우수한 복합조직 냉연강판 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010083807A KR100544645B1 (ko) | 2001-12-24 | 2001-12-24 | 가공성이 우수한 복합조직 냉연강판 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030053802A true KR20030053802A (ko) | 2003-07-02 |
KR100544645B1 KR100544645B1 (ko) | 2006-01-24 |
Family
ID=32212465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010083807A KR100544645B1 (ko) | 2001-12-24 | 2001-12-24 | 가공성이 우수한 복합조직 냉연강판 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100544645B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006001583A1 (en) * | 2004-03-25 | 2006-01-05 | Posco | Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets |
EP1920078A1 (en) * | 2005-07-08 | 2008-05-14 | Posco | Steel sheet for deep drawing having excellent secondary work embrittlement resistance, fatigue properties and plating properties, and method for manufacturing the same |
EP3733906A4 (en) * | 2017-12-26 | 2020-11-04 | Posco | COLD-ROLLED STEEL SHEET WITH EXCELLENT HIGH-TEMPERATURE PROPERTIES AND ROOM TEMPERATURE PROCESSABILITY, AS WELL AS THE METHOD FOR ITS MANUFACTURING |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101003221B1 (ko) | 2008-06-26 | 2010-12-21 | 현대제철 주식회사 | 성형성이 우수한 고강도 냉연강판 및 그 제조방법 |
KR101290468B1 (ko) | 2011-06-28 | 2013-07-26 | 현대제철 주식회사 | 냉연강판 및 그 제조 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0813089A (ja) * | 1994-06-30 | 1996-01-16 | Kawasaki Steel Corp | 超深絞り性を有するほうろう用冷延鋼板およびその製造方法 |
JP3423501B2 (ja) * | 1995-08-29 | 2003-07-07 | 株式会社神戸製鋼所 | 耐孔あき腐食性と深絞り性に優れた冷延鋼板の製造方法 |
KR100328948B1 (ko) * | 1997-12-27 | 2002-11-13 | 포항종합제철 주식회사 | 가공성및대기중내부식성이우수한자동차용고강도냉연강판의제조방법 |
KR100403962B1 (ko) * | 1998-12-29 | 2004-06-04 | 주식회사 포스코 | 초고성형,고강도소부경화형냉연강판및그제조방법 |
-
2001
- 2001-12-24 KR KR1020010083807A patent/KR100544645B1/ko active IP Right Grant
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006001583A1 (en) * | 2004-03-25 | 2006-01-05 | Posco | Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets |
EP1735474A4 (en) * | 2004-03-25 | 2010-09-29 | Posco | COLD-ROLLED STEEL PLATE AND FIRE-COATED STEEL PLATE WITH HIGH STRENGTH AND WARM-HARDNESS AND METHOD FOR PRODUCING STEEL PLATE |
EP1920078A1 (en) * | 2005-07-08 | 2008-05-14 | Posco | Steel sheet for deep drawing having excellent secondary work embrittlement resistance, fatigue properties and plating properties, and method for manufacturing the same |
EP1920078A4 (en) * | 2005-07-08 | 2010-03-24 | Posco | STEEL SHEET FOR DEEP DRAWING HAVING EXCELLENT RESISTANCE TO FRAGILIZATION BY REUSING AND EXCELLENT FATIGUE AND VENEER PROPERTIES, AND METHOD FOR MANUFACTURING THE SAME |
EP3733906A4 (en) * | 2017-12-26 | 2020-11-04 | Posco | COLD-ROLLED STEEL SHEET WITH EXCELLENT HIGH-TEMPERATURE PROPERTIES AND ROOM TEMPERATURE PROCESSABILITY, AS WELL AS THE METHOD FOR ITS MANUFACTURING |
US11578379B2 (en) | 2017-12-26 | 2023-02-14 | Posco | Cold-rolled steel sheet having excellent high-temperature properties and room-temperature workability |
Also Published As
Publication number | Publication date |
---|---|
KR100544645B1 (ko) | 2006-01-24 |
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