KR100415658B1 - 조관성및가공성이우수한증착도금파이프용냉연강판의제조방법 - Google Patents
조관성및가공성이우수한증착도금파이프용냉연강판의제조방법 Download PDFInfo
- Publication number
- KR100415658B1 KR100415658B1 KR10-1998-0047984A KR19980047984A KR100415658B1 KR 100415658 B1 KR100415658 B1 KR 100415658B1 KR 19980047984 A KR19980047984 A KR 19980047984A KR 100415658 B1 KR100415658 B1 KR 100415658B1
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- South Korea
- Prior art keywords
- cold rolled
- manufacturing
- pipe
- less
- rolled steel
- Prior art date
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Classifications
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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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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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)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (2)
- 증착도금 파이프용 냉연강판의 제조방법에 있어서,중량%로, C: 0.007%이하, Mn: 0.3~0.6%, S: 0.015%이하, Al: 0.03~0.05%, N: 0.004%이하, Ti: 0.015~0.035%, 고용 B: 8-20ppm, 및 나머지는 Fe 및 불가피한 불순물로 조성되는 Al킬드강을 균질화 처리한 다음, 910℃이상에서 마무리 압연하고, 통상의 방법으로 권취, 산세, 최종 두께까지 냉간압연하고, 계속하여 800±50℃의 온도에서 연속소둔을 행함을 특징으로 하는 조관성 및 가공성이 우수한 증착도금 파이프용 냉연강판의 제조방법
- 제1항에 있어서, 상기 고용 B는 Ti-1.5S≥3.43N 일 경우 B의 함량을 8-20ppm의 범위로 첨가하고, 그리고 Ti-1.5S<3.43N일 때는 B의 함량을0.77[N-(Ti-1.5S)/3.43]+0.0008≤B≤0.77[N-(Ti-1.5S)/3.43]+0.0020의 범위로 조절함을 특징으로 하는 조관성 및 가공성이 우수한 증착도금 파이프용 냉연강판의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-1998-0047984A KR100415658B1 (ko) | 1998-11-10 | 1998-11-10 | 조관성및가공성이우수한증착도금파이프용냉연강판의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-1998-0047984A KR100415658B1 (ko) | 1998-11-10 | 1998-11-10 | 조관성및가공성이우수한증착도금파이프용냉연강판의제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000031772A KR20000031772A (ko) | 2000-06-05 |
KR100415658B1 true KR100415658B1 (ko) | 2004-03-31 |
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KR10-1998-0047984A KR100415658B1 (ko) | 1998-11-10 | 1998-11-10 | 조관성및가공성이우수한증착도금파이프용냉연강판의제조방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100406393B1 (ko) * | 1998-12-11 | 2004-02-14 | 주식회사 포스코 | 비시효성이우수한진공증착동도금용냉연강판의제조방법 |
KR101746802B1 (ko) * | 2015-12-22 | 2017-06-13 | 주식회사 포스코 | 연속형 셀프 브레이징용 냉연강판 및 그 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55100924A (en) * | 1979-01-25 | 1980-08-01 | Nippon Steel Corp | Production of high toughness bainite high tension steel plate having excellent weldability |
US4521258A (en) * | 1981-10-31 | 1985-06-04 | Nippon Steel Corporation | Method of making wrought high tension steel having superior low temperature toughness |
KR100276340B1 (ko) * | 1996-12-24 | 2000-12-15 | 이구택 | 도금후 재질변화가 억제된 진공증착도금용 저탄소 냉연강판의 제조방법 |
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1998
- 1998-11-10 KR KR10-1998-0047984A patent/KR100415658B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55100924A (en) * | 1979-01-25 | 1980-08-01 | Nippon Steel Corp | Production of high toughness bainite high tension steel plate having excellent weldability |
US4521258A (en) * | 1981-10-31 | 1985-06-04 | Nippon Steel Corporation | Method of making wrought high tension steel having superior low temperature toughness |
KR100276340B1 (ko) * | 1996-12-24 | 2000-12-15 | 이구택 | 도금후 재질변화가 억제된 진공증착도금용 저탄소 냉연강판의 제조방법 |
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KR20000031772A (ko) | 2000-06-05 |
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