KR100957999B1 - 가공성이 우수한 냉연강판의 제조방법 - Google Patents
가공성이 우수한 냉연강판의 제조방법 Download PDFInfo
- Publication number
- KR100957999B1 KR100957999B1 KR1020020077793A KR20020077793A KR100957999B1 KR 100957999 B1 KR100957999 B1 KR 100957999B1 KR 1020020077793 A KR1020020077793 A KR 1020020077793A KR 20020077793 A KR20020077793 A KR 20020077793A KR 100957999 B1 KR100957999 B1 KR 100957999B1
- Authority
- KR
- South Korea
- Prior art keywords
- annealing
- less
- rolling
- cold rolled
- steel sheet
- Prior art date
Links
Images
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
- C21D8/0221—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
- 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
- C21D8/0273—Final recrystallisation annealing
-
- 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
- C21D8/0278—Modifying the physical properties 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
- C22C38/001—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
- C22C38/04—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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
wt% | C | Mn | P | S | Sol Al | Ti | Nb | N |
성분 | 0.003 | 0.15 | 0.02 | 0.008 | 0.036 | 0.04 | 0.001 | 0.0016 |
2차 냉간 압하율 | 항복강도 | 인장강도 | 연신율 | 두께 | 랭크포드값(rm) | |
(%) | (kgf/㎟) | (kgf/㎟) | (%) | (mm) | ||
비교재1 | 0 | 12.1 | 29.5 | 52.0 | 0.890 | 2.157 |
비교재2 | 10 | 8.5 | 22.3 | 33.3 | 0.801 | 1.461 |
비교재3 | 20 | 9.0 | 25.8 | 52.2 | 0.712 | 1.824 |
비교재4 | 30 | 9.6 | 26.8 | 51.8 | 0.623 | 2.161 |
비교재5 | 50 | 10.4 | 28.0 | 45.4 | 0.445 | 2.227 |
발명재1 | 60 | 10.9 | 28.5 | 43.2 | 0.356 | 2.76 |
발명재2 | 70 | 11.1 | 28.7 | 40.7 | 0.267 | 3.270 |
Claims (3)
- 중량 %로, C:0.0001∼0.0050%, N:0.0040%이하, S:0.01%이하, Mn:1.0%이하, P:0초과 0.1%이하, 산가용Al:0.5%이하이고, Ti:[N(wt%)×(48÷14) + C(wt%) ×(48÷12)]~ 0.08%, B:0.002%이하, 잔부 Fe 및 기타 불가피하게 함유되는 원소로 이루어진 강 슬라브를 열간압연후 페라이트영역에서 윤활압연을 실시하지 않고 소둔산세하는 단계;완전 재결정된 극저탄소강 소둔판을 60% 이상의 냉간 압하율로 압연하는 2차압연단계;상기 2차압연된 극저탄소강 소둔판을 재결정온도와 Ac3 온도영역 사이에서 소둔하는 2차소둔단계;상기 2차 소둔단계에서 소둔된 극저탄소강 소둔판을 액상포트를 통과시켜 표면에 아연도금하는 것을 특징으로 하는 가공성이 우수한 냉연강판의 제조방법.
- 제 1 항에 있어서,상기 2차압연단계의 완전 재결정된 극저탄소강 소둔판은 Nb:[C(wt%)×(93÷12)] ~ 0.04%의 조성을 더욱 포함하는 것을 특징으로 하는 가공성이 우수한 냉연강판의 제조방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020077793A KR100957999B1 (ko) | 2002-12-09 | 2002-12-09 | 가공성이 우수한 냉연강판의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020077793A KR100957999B1 (ko) | 2002-12-09 | 2002-12-09 | 가공성이 우수한 냉연강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040050158A KR20040050158A (ko) | 2004-06-16 |
KR100957999B1 true KR100957999B1 (ko) | 2010-05-17 |
Family
ID=37344388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020077793A KR100957999B1 (ko) | 2002-12-09 | 2002-12-09 | 가공성이 우수한 냉연강판의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100957999B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04358027A (ja) * | 1991-01-21 | 1992-12-11 | Sumitomo Metal Ind Ltd | 深絞り性に優れた冷延鋼板の製造方法 |
JPH05117758A (ja) * | 1991-10-29 | 1993-05-14 | Kawasaki Steel Corp | 耐2次加工脆性に優れ面内異方性の少ない冷延薄鋼板の製造方法 |
JPH0718382A (ja) * | 1993-07-05 | 1995-01-20 | Nisshin Steel Co Ltd | 深絞り性に優れた冷延鋼板の製造方法 |
JPH09241752A (ja) * | 1996-03-04 | 1997-09-16 | Nisshin Steel Co Ltd | 加工性及び機械強度に優れた冷延鋼板又は溶融めっき鋼板の製造方法 |
JPH1150211A (ja) * | 1997-08-05 | 1999-02-23 | Kawasaki Steel Corp | 深絞り加工性に優れる厚物冷延鋼板およびその製造方法 |
-
2002
- 2002-12-09 KR KR1020020077793A patent/KR100957999B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04358027A (ja) * | 1991-01-21 | 1992-12-11 | Sumitomo Metal Ind Ltd | 深絞り性に優れた冷延鋼板の製造方法 |
JPH05117758A (ja) * | 1991-10-29 | 1993-05-14 | Kawasaki Steel Corp | 耐2次加工脆性に優れ面内異方性の少ない冷延薄鋼板の製造方法 |
JPH0718382A (ja) * | 1993-07-05 | 1995-01-20 | Nisshin Steel Co Ltd | 深絞り性に優れた冷延鋼板の製造方法 |
JPH09241752A (ja) * | 1996-03-04 | 1997-09-16 | Nisshin Steel Co Ltd | 加工性及び機械強度に優れた冷延鋼板又は溶融めっき鋼板の製造方法 |
JPH1150211A (ja) * | 1997-08-05 | 1999-02-23 | Kawasaki Steel Corp | 深絞り加工性に優れる厚物冷延鋼板およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20040050158A (ko) | 2004-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10072316B2 (en) | High-strength cold-rolled steel sheet and method for producing the same | |
US20170260602A1 (en) | Complex-phase steel sheet having excellent formability and method of manufacturing the same | |
CN101310031A (zh) | 具有优良强度和抗老化性的可烘烤硬化的冷轧钢板,使用该冷轧钢板的镀锌层扩散退火处理的钢板和冷轧钢板的制造方法 | |
MX2007013676A (es) | Lamina de acero laminada en frio que tiene formabilidad superior y alta relacion de deformacion, proceso para producirla. | |
KR101917447B1 (ko) | 고온연신 특성이 우수한 고강도 강판, 온간프레스 성형부재 및 이들의 제조방법 | |
CN110714170B (zh) | 一种高氮冷轧钢及其制备方法、应用 | |
CN113832386A (zh) | 一种高强度热轧基板、热镀锌钢及其制造方法 | |
CN110629000A (zh) | 屈服强度280MPa级冷轧热镀锌钢板及其制造方法 | |
CN108486482B (zh) | 综合性能优良的高屈服强度热轧酸洗钢板及其生产方法 | |
KR100403962B1 (ko) | 초고성형,고강도소부경화형냉연강판및그제조방법 | |
JP4848722B2 (ja) | 加工性に優れた超高強度冷延鋼板の製造方法 | |
CN101310032B (zh) | 高强度的可烘烤硬化的冷轧钢板,使用该冷轧钢板的镀锌层扩散退火处理的钢板和冷轧钢板的制造方法 | |
KR100957999B1 (ko) | 가공성이 우수한 냉연강판의 제조방법 | |
CN115698346A (zh) | 经热处理的冷轧钢板及其制造方法 | |
CN111763875A (zh) | 一种瓶盖用高硬度冷轧电镀锡基板及其生产方法 | |
KR101118284B1 (ko) | 가공성이 우수한 강판 및 그 제조 방법 | |
KR102381829B1 (ko) | 소부경화성 및 상온 내시효성이 우수한 냉연강판, 도금강판 및 이들의 제조방법 | |
KR102468037B1 (ko) | 소부 경화성 및 내시효성이 우수한 냉연강판, 도금강판 및 이들의 제조방법 | |
KR20190074659A (ko) | 성형성이 우수한 고강도 강판 및 이의 제조방법 | |
KR100957960B1 (ko) | 가공성 및 표면품질이 우수한 냉연강판 및 그 제조방법 | |
JP3916113B2 (ja) | 加工用高強度Ti添加熱延鋼板とその製造方法 | |
KR100530076B1 (ko) | 내2차가공취성 및 성형성이 우수한 고장력강판과 그제조방법 | |
JPH0776381B2 (ja) | 深絞り用冷延鋼板の製造方法 | |
KR100530075B1 (ko) | 성형성이 우수한 고장력강판과 그 제조방법 | |
KR100478659B1 (ko) | 심가공성이 우수한 연질냉연강판의 제조방법 |
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: 20130502 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20140428 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20150427 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170426 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20180504 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20190509 Year of fee payment: 10 |