KR20010062900A - 딥드로잉성이 우수한 p첨가 극저탄소 냉연강판의 제조방법 - Google Patents
딥드로잉성이 우수한 p첨가 극저탄소 냉연강판의 제조방법 Download PDFInfo
- Publication number
- KR20010062900A KR20010062900A KR1019990059644A KR19990059644A KR20010062900A KR 20010062900 A KR20010062900 A KR 20010062900A KR 1019990059644 A KR1019990059644 A KR 1019990059644A KR 19990059644 A KR19990059644 A KR 19990059644A KR 20010062900 A KR20010062900 A KR 20010062900A
- Authority
- KR
- South Korea
- Prior art keywords
- less
- cooling
- steel
- steel sheet
- low carbon
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
-
- 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
- C21D8/0463—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 following hot 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
- C22C38/02—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
- C22C38/12—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
Abstract
Description
강종 | C | Mn | P | S | N | sol.Al | Ti | Nb | Zr |
발명강1 | 0.0026 | 0.34 | 0.035 | 0.004 | 0.0019 | 0.031 | 0.074 | 0.003 | 0.026 |
발명강2 | 0.0031 | 0.41 | 0.074 | 0.004 | 0.0017 | 0.032 | 0.078 | 0.025 | |
발명강3 | 0.0023 | 0.35 | 0.091 | 0.003 | 0.0018 | 0.029 | 0.081 | 0.030 | |
발명강4 | 0.0024 | 0.69 | 0.031 | 0.004 | 0.0016 | 0.025 | 0.082 | 0.024 | |
발명강5 | 0.0025 | 0.72 | 0.069 | 0.004 | 0.0019 | 0.039 | 0.085 | 0.025 | |
발명강6 | 0.0027 | 0.67 | 0.095 | 0.005 | 0.0018 | 0.033 | 0.079 | 0.027 | |
비교강7 | 0.0031 | 0.35 | 0.067 | 0.004 | 0.0019 | 0.035 | 0.035 | 0.005 | 0.022 |
비교강8 | 0.0029 | 0.34 | 0.074 | 0.008 | 0.0017 | 0.028 | 0.028 | 0.010 | - |
비교강9 | 0.0031 | 0.40 | 0.069 | 0.008 | 0.0018 | 0.045 | 0.045 | - |
구분 | 제조조건 | 기계적 성질 | ||||||
냉각방식 | 권취온도(℃) | 소둔온도(℃) | YS(kg/㎟) | TS(kg/㎟) | El(%) | r값 | ||
발명재1 | 발명강1 | ① | 580 | 840 | 18.2 | 33.1 | 43.1 | 2.45 |
비교재1 | ② | 19.6 | 32.8 | 41.8 | 1.90 | |||
발명재2 | 발명강2 | ① | 22.1 | 37.1 | 40.6 | 2.37 | ||
비교재2 | ② | 23.5 | 36.6 | 38.4 | 1.79 | |||
발명재3 | 발명강3 | ① | 23.4 | 38.4 | 39.7 | 2.41 | ||
비교재3 | ② | 25.0 | 37.1 | 37.6 | 1.81 | |||
발명재4 | 발명강4 | ① | 20.3 | 35.4 | 42.8 | 2.43 | ||
비교재4 | ② | 20.9 | 35.0 | 40.3 | 1.89 | |||
발명재5 | 발명강5 | ① | 22.9 | 38.1 | 40.2 | 2.39 | ||
비교재5 | ② | 24.0 | 37.9 | 38.4 | 1.82 | |||
발명재6 | 발명강6 | ① | 25.1 | 41.5 | 38.7 | 2.30 | ||
비교재6 | ② | 37.4 | 40.9 | 36.5 | 1.76 | |||
비교재7 | 비교강7 | ① | 21.6 | 36.6 | 38.7 | 2.15 | ||
비교재8 | ② | 620 | 21.0 | 36.1 | 39.5 | 2.01 | ||
비교재9 | 비교강8 | ① | 21.7 | 36.8 | 38.8 | 1.93 | ||
비교재10 | 비교강9 | ② | 21.0 | 36.1 | 39.5 | 1.86 |
Claims (2)
- 냉연강판의 제조방법에 있어서,중량%로 C:0.005% 이하, Si:0.02% 이하, Mn:1.0% 이하, P:0.02~0.10%, S:0.005% 이하, N:0.002% 이하, sol.Al:0.01~0.04%, Ti:0.05~0.15%, Nb:0.005% 이하, 6.5N%+3S%≤Zr≤0.03%, 잔부 Fe 및 기타 불가피한 불순물로 조성된 강 슬라브를 910℃ 이상의 마무리압연온도 조건으로 열간압연하여 열연판을 제조한 후, 30~70℃/초의 냉각속도로 680~720℃까지 급냉한 다음 630~650℃까지 5~10초 동안 공냉한 후 급냉하고, 550~600℃의 온도범위에서 권취한 후 냉간압연하고, 780~850℃의 온도에서 연속소둔한 다음 냉각하는 것을 특징으로 하는 딥드로잉성이 우수한 P첨가 극저탄소강의 제조방법
- 제1항에 있어서, 상기 냉간압연후 연속소둔은 780~850℃에서 30초~3분간 실시하는 것을 특징으로 하는 딥드로잉성이 우수한 P첨가 극저탄소강의 제조방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0059644A KR100435466B1 (ko) | 1999-12-21 | 1999-12-21 | 딥드로잉성이 우수한 p첨가 극저탄소 냉연강판의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0059644A KR100435466B1 (ko) | 1999-12-21 | 1999-12-21 | 딥드로잉성이 우수한 p첨가 극저탄소 냉연강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010062900A true KR20010062900A (ko) | 2001-07-09 |
KR100435466B1 KR100435466B1 (ko) | 2004-06-10 |
Family
ID=19627488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0059644A KR100435466B1 (ko) | 1999-12-21 | 1999-12-21 | 딥드로잉성이 우수한 p첨가 극저탄소 냉연강판의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100435466B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103045833A (zh) * | 2011-10-11 | 2013-04-17 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种钢板和镀锌钢板及其制备方法 |
CN103103328A (zh) * | 2011-11-10 | 2013-05-15 | 攀钢集团研究院有限公司 | 一种生产低碳钢板的方法和一种低碳钢板 |
CN103993147A (zh) * | 2014-05-12 | 2014-08-20 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种冷轧钢板及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5825435A (ja) * | 1981-08-05 | 1983-02-15 | Kawasaki Steel Corp | 連続焼鈍による表面性状にすぐれた深絞り用冷延鋼板の製造方法 |
JPS61276927A (ja) * | 1985-05-31 | 1986-12-06 | Kawasaki Steel Corp | 深絞り性の良好な冷延鋼板の製造方法 |
JPS61276930A (ja) * | 1985-05-31 | 1986-12-06 | Kawasaki Steel Corp | 伸びと深絞り性の良好な極低炭素鋼冷延板の製造方法 |
-
1999
- 1999-12-21 KR KR10-1999-0059644A patent/KR100435466B1/ko not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103045833A (zh) * | 2011-10-11 | 2013-04-17 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种钢板和镀锌钢板及其制备方法 |
CN103103328A (zh) * | 2011-11-10 | 2013-05-15 | 攀钢集团研究院有限公司 | 一种生产低碳钢板的方法和一种低碳钢板 |
CN103993147A (zh) * | 2014-05-12 | 2014-08-20 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种冷轧钢板及其制备方法 |
CN103993147B (zh) * | 2014-05-12 | 2016-06-08 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种冷轧钢板及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100435466B1 (ko) | 2004-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4745572B2 (ja) | 高強度鋼帯または鋼板およびその製造方法 | |
JPH0555586B2 (ko) | ||
KR100435466B1 (ko) | 딥드로잉성이 우수한 p첨가 극저탄소 냉연강판의 제조방법 | |
JPH0570836A (ja) | 深絞り用高強度冷延鋼板の製造方法 | |
JP2000239786A (ja) | 冷延用母板および面内異方性の小さい深絞り用冷延鋼板ならびにその製造方法 | |
JP2776203B2 (ja) | 常温非時効性に優れた冷延鋼板の製造方法 | |
JPS60149719A (ja) | 熱延高張力鋼板の製造法 | |
JP3818025B2 (ja) | 異方性の小さい冷延鋼板の製造方法 | |
KR100470643B1 (ko) | 드로잉성 및 내2차 가공취성이 우수한 고강도 냉연강판 및그 제조방법 | |
JP3224732B2 (ja) | 耐時効性の良好な冷延鋼板とその製造方法 | |
KR100530057B1 (ko) | 가공성 및 내2차가공취성이 우수한 고강도 냉연강판의제조방법 | |
JPH0681045A (ja) | 加工性および焼付硬化性に優れた冷延鋼板の製造方法 | |
KR100504369B1 (ko) | 소성변형비 이방성계수가 낮은 저탄소 냉연강판 및 그제조방법 | |
JP4332960B2 (ja) | 高加工性軟質冷延鋼板の製造方法 | |
KR100276329B1 (ko) | 아연도금특성 및 형상동결성이 우수한 고강도 냉연강판의 제조방법 | |
KR930002739B1 (ko) | 성형성이 우수한 Al-킬드 냉연강판의 제조방법 | |
JP3261043B2 (ja) | 深絞り用冷延鋼板およびその製造方法 | |
JP3551105B2 (ja) | コイル内の材質変動の少ない冷延鋼板およびその製造方法 | |
KR100256345B1 (ko) | 초고강도 냉간압연강판의 제조방법 | |
KR20090069880A (ko) | 신장 플랜지성과 연성이 우수한 복합조직 고강도 열연강판및 그의 제조방법 | |
JPH06158175A (ja) | 超深絞り用冷延鋼板の製造方法 | |
KR100276295B1 (ko) | 저항용접이 우수한 고가공용 냉연강판의 제조방법 | |
KR100496532B1 (ko) | 성형성이 우수한 소부경화형 냉연강판 및 그 제조방법 | |
JPH08109416A (ja) | 成形性に優れる焼付硬化型冷延鋼板の製造方法 | |
JPH05239555A (ja) | 超深絞り用冷延鋼板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130603 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20140530 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20150601 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20160602 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20170530 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20180531 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |