KR100881047B1 - 고강성 고강도 박강판 및 그 제조 방법 - Google Patents
고강성 고강도 박강판 및 그 제조 방법 Download PDFInfo
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- KR100881047B1 KR100881047B1 KR1020067014872A KR20067014872A KR100881047B1 KR 100881047 B1 KR100881047 B1 KR 100881047B1 KR 1020067014872 A KR1020067014872 A KR 1020067014872A KR 20067014872 A KR20067014872 A KR 20067014872A KR 100881047 B1 KR100881047 B1 KR 100881047B1
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- 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
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
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- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
-
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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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
Claims (6)
- 질량 % 로서, C : 0.02 ~ 0.15 %, Si : 1.5 % 이하, Mn : 1.0 ~ 3.5 %, P : 0.05 % 이하, S : 0.01 % 이하, Al : 1.5 % 이하, N : 0.01 % 이하 및 Ti : 0.02 ~ 0.50 % 를 함유하고 C, N, S 및 Ti 함유량이 아래의 식 (1) 으로 표시된 관계식, 즉Ti* = Ti-(47.9/14)×N-(47.9/32.1)×S≥0.01 ·····(1)을 만족시키며, 나머지는 철 및 불가피적 불순물이고, 조직은 페라이트상을 주상으로 하고 또한 면적율로 1 % 이상의 마르텐사이트상을 가지며, 590 MPa 이상의 인장 강도와 230 GPa 이상의 영률을 가지고,상기 조성에 추가하여 질량 % 로서 Nb : 0.005 ~ 0.04 % 및 V : 0.01 ~ 0.20 % 중 1 종 또는 2 종을 더 함유하고, 상기 식 (1) 을 만족시킴과 아울러 다음 식 (3) 의 관계식, 즉0.01 ≤ C-(12/47.9)×Ti*-(12/92.9)×Nb-(12/50.9)×V≤0.05 ·····(3)을 만족시키며,상기 조성에 추가하여 질량 % 로서 Cr : 0. 1 ~ 1.0 %, Ni : 0.1 ~ 1.0 %, Mo : 0.1 ~ 1.0 %, Cu : 0.1 ~ 2.0 % 및 B : 0.0005 ~ 0.0030 % 중 1 종 이상을 더 함유하는 것을 특징으로 하는 고강성 고강도 박강판.
- 삭제
- 삭제
- 질량 % 로서, C : 0.02 ~ 0.15 %, Si : 1.5 % 이하, Mn : 1.0 ~ 3.5 %, P : 0.05 % 이하, S : 0.01 % 이하, Al : 1.5 % 이하, N : 0.01 % 이하 및 Ti : 0.02 ~ 0.50 % 를 함유하고, C, N, S 및 Ti 함유량이 아래의 식 (1) 으로 표시된 관계식, 즉Ti* = Ti-(47.9/14)×N-(47.9/32.1)×S≥0.01 ·····(1)을 만족시키며, 나머지는 철 및 불가피적 불순물 조성으로 된 강소재를, 950℃ 이하에서의 총압하율이 30 % 이상이고 마무리 압연이 800 ~ 900℃ 에서 끝나는 조건하에서 열간 압연 단계를 실시하고, 열간 압연된 시트를 650℃ 이하에서 권취하고, 산세 후에, 50 % 이상의 압하율로 냉간 압연을 실시하고, 500℃ 에서 1 ~ 30℃/s 의 승온 속도로 780 ~ 900℃ 까지 온도를 올려서 균열 처리한 다음, 5℃/s 이상의 냉각 속도로 500℃ 까지 냉각시켜 소둔을 실시하고,상기 강소재는 상기 조성에 추가하여 질량 % 로서 Nb : 0.005 ~ 0.04 % 및 V : 0.01 ~ 0.20 % 중 1 종 또는 2 종을 더 함유하고, 상기 식 (1) 을 만족시킴과 아울러 다음 식 (3) 의 관계식, 즉0.01 ≤ C-(12/47.9)×Ti*-(12/92.9)×Nb-(12/50.9)×V≤0.05 ·····(3)을 만족시키고,상기 강소재는 상기 조성에 추가하여 질량 % 로서 Cr : 0. 1 ~ 1.0 %, Ni : 0.1 ~ 1.0 %, Mo : 0.1 ~ 1.0 %, Cu : 0.1 ~ 2.0 % 및 B : 0.0005 ~ 0.0030 % 중 1 종 이상을 더 함유하는 것을 특징으로 하는 고강성 고강도 박강판의 제조 방법.
- 삭제
- 삭제
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004107040 | 2004-03-31 | ||
JPJP-P-2004-00107040 | 2004-03-31 | ||
JP2004346620 | 2004-11-30 | ||
JPJP-P-2004-00346620 | 2004-11-30 |
Publications (2)
Publication Number | Publication Date |
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KR20060134029A KR20060134029A (ko) | 2006-12-27 |
KR100881047B1 true KR100881047B1 (ko) | 2009-02-05 |
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KR1020067014872A KR100881047B1 (ko) | 2004-03-31 | 2005-03-31 | 고강성 고강도 박강판 및 그 제조 방법 |
Country Status (7)
Country | Link |
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US (1) | US20070144633A1 (ko) |
EP (1) | EP1731627B1 (ko) |
KR (1) | KR100881047B1 (ko) |
AU (1) | AU2005227564B2 (ko) |
CA (1) | CA2546009A1 (ko) |
TW (1) | TW200604352A (ko) |
WO (1) | WO2005095664A1 (ko) |
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2005
- 2005-03-31 WO PCT/JP2005/006327 patent/WO2005095664A1/ja not_active Application Discontinuation
- 2005-03-31 US US10/578,524 patent/US20070144633A1/en not_active Abandoned
- 2005-03-31 CA CA002546009A patent/CA2546009A1/en not_active Abandoned
- 2005-03-31 TW TW094110219A patent/TW200604352A/zh not_active IP Right Cessation
- 2005-03-31 KR KR1020067014872A patent/KR100881047B1/ko active IP Right Grant
- 2005-03-31 EP EP05728004.2A patent/EP1731627B1/en not_active Expired - Fee Related
- 2005-03-31 AU AU2005227564A patent/AU2005227564B2/en not_active Ceased
Patent Citations (1)
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JP2003193192A (ja) * | 2001-12-26 | 2003-07-09 | Nippon Steel Corp | 成形性と化成処理性に優れた高強度鋼板およびその製造方法 |
Also Published As
Publication number | Publication date |
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TWI312810B (ko) | 2009-08-01 |
EP1731627A1 (en) | 2006-12-13 |
EP1731627A4 (en) | 2007-10-31 |
EP1731627B1 (en) | 2013-08-21 |
AU2005227564A1 (en) | 2005-10-13 |
WO2005095664A1 (ja) | 2005-10-13 |
AU2005227564B2 (en) | 2008-02-21 |
US20070144633A1 (en) | 2007-06-28 |
TW200604352A (en) | 2006-02-01 |
CA2546009A1 (en) | 2005-10-13 |
KR20060134029A (ko) | 2006-12-27 |
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