KR100525645B1 - 법랑용 열간압연강판 제조방법 - Google Patents
법랑용 열간압연강판 제조방법 Download PDFInfo
- Publication number
- KR100525645B1 KR100525645B1 KR10-2001-0054413A KR20010054413A KR100525645B1 KR 100525645 B1 KR100525645 B1 KR 100525645B1 KR 20010054413 A KR20010054413 A KR 20010054413A KR 100525645 B1 KR100525645 B1 KR 100525645B1
- Authority
- KR
- South Korea
- Prior art keywords
- rolled steel
- steel sheet
- hot rolled
- rolling
- enamel
- Prior art date
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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
- C21D8/0226—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
- C22C38/001—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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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)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
강의 조성 (중량%) | 열간압연 (℃) | |||||||
C | Mn | P | S | N | Ti | 마무리온도 | 권취온도 | |
실시예1 | 0.0036 | 0.24 | 0.009 | 0.023 | 0.0072 | 0.120 | 870 | 680 |
실시예2 | 0.0051 | 0.25 | 0.017 | 0.016 | 0.0062 | 0.094 | 875 | 684 |
실시예3 | 0.0021 | 0.21 | 0.016 | 0.015 | 0.0071 | 0.112 | 887 | 660 |
실시예4 | 0.0018 | 0.19 | 0.010 | 0.021 | 0.0100 | 0.121 | 888 | 690 |
실시예5 | 0.0033 | 0.22 | 0.013 | 0.021 | 0.0078 | 0.130 | 896 | 694 |
비교예1 | 0.0051 | 0.23 | 0.016 | 0.013 | 0.0066 | 0.104 | 820 | 680 |
비교예2 | 0.0021 | 0.21 | 0.012 | 0.021 | 0.0059 | 0.102 | 950 | 660 |
비교예3 | 0.0021 | 0.21 | 0.012 | 0.021 | 0.0059 | 0.102 | 900 | 750 |
비교예4 | 0.0021 | 0.21 | 0.012 | 0.021 | 0.0059 | 0.102 | 900 | 550 |
비교예5 | 0.0051 | 0.23 | 0.013 | 0.012 | 0.0073 | 0.250 | 900 | 600 |
비교예6 | 0.0039 | 0.23 | 0.011 | 0.063 | 0.0029 | 0.077 | 890 | 550 |
압연온도(℃) | 조질압연 (%) | 강도 (kg/mm2, %) | 표면결함 | 피쉬스케일수 | 밀착지수 PEI | ||||
마무리 | 권취 | YS | TS | EL | |||||
실시예1 | 870 | 680 | 3.1 | 20.8 | 34.1 | 40.8 | 없음 | 0 | 97 |
실시예2 | 875 | 684 | 4.0 | 24.3 | 31.9 | 40.2 | 없음 | 0 | 97 |
실시예3 | 887 | 660 | 4.2 | 19.3 | 32.8 | 39.3 | 없음 | 0 | 98 |
실시예4 | 888 | 690 | 2.9 | 18.7 | 33.1 | 41.5 | 없음 | 0 | 96 |
실시예5 | 896 | 694 | 5.1 | 20.2 | 37.5 | 38.7 | 없음 | 0 | 100 |
비교예1 | 820 | 680 | - | 23.0 | 31.8 | 37.4 | 없음 | 26 | 88 |
비교예2 | 950 | 660 | - | 18.7 | 31.4 | 45.8 | 없음 | 39 | 88 |
비교예3 | 900 | 750 | - | 17.6 | 30.2 | 47.6 | 없음 | 45 | 86 |
비교예4 | 900 | 550 | - | 20.1 | 32.6 | 43.2 | 없음 | 49 | 86 |
비교예5 | 900 | 600 | - | 25.2 | 36.2 | 46.2 | 발생 | 15 | 89 |
비교예6 | 890 | 550 | - | 17.6 | 30.1 | 43.8 | 없음 | 0 | 93 |
비교예7 | 870 | 680 | 0.8 | 18.0 | 30.4 | 46.6 | 없음 | 16 | 95 |
비교예8 | 875 | 684 | - | 23.1 | 30.5 | 45.8 | 없음 | 12 | 92 |
비교예9 | 887 | 660 | - | 18.4 | 30.9 | 46.2 | 없음 | 10 | 91 |
비교예10 | 888 | 690 | - | 17.3 | 30.1 | 47.2 | 없음 | 10 | 90 |
비교예11 | 896 | 694 | - | 15.6 | 29.7 | 50.4 | 없음 | 8 | 90 |
Claims (2)
- C 0.01 중량% 이하, Mn 0.01~1.0 중량%, P 0.05 중량% 이하, S 0.05 중량% 이하, N 0.015 중량% 이하, Ti 0.05~0.15 중량%를 포함하는 알루미늄 킬드강을 열간압연하여 870~900℃의 온도에서 열간압연을 마무리하는 단계, 및상기 열간압연된 강판을 650~700℃의 온도에서 권취한 후, 상기 강판의 표면온도가 25℃ 이하에서 두께의 1~10%로 조질압연을 수행하는 단계를 포함하는 법랑용 열간압연강판 제조 방법.
- 제1항에 있어서,상기 열간압연강판은 두께가 1.2mm 이상인 법랑용 열간압연강판 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0054413A KR100525645B1 (ko) | 2001-09-05 | 2001-09-05 | 법랑용 열간압연강판 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0054413A KR100525645B1 (ko) | 2001-09-05 | 2001-09-05 | 법랑용 열간압연강판 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030020999A KR20030020999A (ko) | 2003-03-12 |
KR100525645B1 true KR100525645B1 (ko) | 2005-11-02 |
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Application Number | Title | Priority Date | Filing Date |
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KR10-2001-0054413A KR100525645B1 (ko) | 2001-09-05 | 2001-09-05 | 법랑용 열간압연강판 제조방법 |
Country Status (1)
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KR (1) | KR100525645B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152127A (en) * | 1979-05-14 | 1980-11-27 | Kawasaki Steel Corp | Preparation of hot rolled steel plate with excellent enamelling property and moldability |
JPS62151546A (ja) * | 1985-12-26 | 1987-07-06 | Nippon Kokan Kk <Nkk> | 耐爪飛び性に優れ且つ焼成後の強度が高いホーロー用薄板向熱延鋼板およびその製造方法 |
US4801341A (en) * | 1986-08-06 | 1989-01-31 | Nippon Steel Corporation | One-sided enamelable hot-rolled steel sheet and process for producing the same |
KR950011622A (ko) * | 1993-10-14 | 1995-05-15 | 조말수 | 피쉬스케일 결함발생이 없는 열연법랑용 강판의 제조방법 |
JPH08269540A (ja) * | 1995-03-30 | 1996-10-15 | Kawasaki Steel Corp | 耐つまとび性に優れるほうろう用熱延鋼板の製造方法 |
-
2001
- 2001-09-05 KR KR10-2001-0054413A patent/KR100525645B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152127A (en) * | 1979-05-14 | 1980-11-27 | Kawasaki Steel Corp | Preparation of hot rolled steel plate with excellent enamelling property and moldability |
JPS62151546A (ja) * | 1985-12-26 | 1987-07-06 | Nippon Kokan Kk <Nkk> | 耐爪飛び性に優れ且つ焼成後の強度が高いホーロー用薄板向熱延鋼板およびその製造方法 |
US4801341A (en) * | 1986-08-06 | 1989-01-31 | Nippon Steel Corporation | One-sided enamelable hot-rolled steel sheet and process for producing the same |
KR950011622A (ko) * | 1993-10-14 | 1995-05-15 | 조말수 | 피쉬스케일 결함발생이 없는 열연법랑용 강판의 제조방법 |
JPH08269540A (ja) * | 1995-03-30 | 1996-10-15 | Kawasaki Steel Corp | 耐つまとび性に優れるほうろう用熱延鋼板の製造方法 |
Also Published As
Publication number | Publication date |
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KR20030020999A (ko) | 2003-03-12 |
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