KR100714540B1 - 용접열 영향부 인성이 우수한 고강도 강재 - Google Patents
용접열 영향부 인성이 우수한 고강도 강재 Download PDFInfo
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- KR100714540B1 KR100714540B1 KR1020050099227A KR20050099227A KR100714540B1 KR 100714540 B1 KR100714540 B1 KR 100714540B1 KR 1020050099227 A KR1020050099227 A KR 1020050099227A KR 20050099227 A KR20050099227 A KR 20050099227A KR 100714540 B1 KR100714540 B1 KR 100714540B1
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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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 Steel (AREA)
Abstract
Description
Claims (9)
- 질량%로,C: 0.010 내지 0.080%,Si: 0.02 내지 1.00%,Mn: 1.10 내지 2.90%,P: 0 내지 0.030%,S: 0 내지 0.010%,Al: 0.20% 이하,Ni: 0.40 내지 2.40%,Cr: 0.50 내지 1.95%,Mo: 0.16 내지 1.10%,Ti: 0.002 내지 0.030% 및N: 0.0058 내지 0.0120%를 포함하고,1.0≤[Ti]/[N]<4.0이며,잔부가 Fe 및 불가피적 불순물로 이루어지고, 또한 하기 식으로 정의되는 AS값 및 DL값이 AS≥3.60, DL≤2.80이며, 조직이 주로 베이니틱·페라이트로 이루어지는 것을 특징으로 하는 용접열 영향부의 인성이 우수한 고강도 강재.AS = [Mn] + [Ni] + 2×[Cu]DL = 2.5×[Mo] + 30×[Nb] + 10×[V](단, 상기에서 [X]는 원소 X의 함유량(질량%)을 나타낸다)
- 제 1 항에 있어서,Cu: 1.60% 이하를 추가로 포함하는 고강도 강재.
- 제 1 항에 있어서,B: 0.0050% 이하, Nb: 0.100% 이하 및 V: 0.060% 미만 중 어느 1종 이상을 추가로 포함하는 고강도 강재.
- 제 1 항에 있어서,Ca 및 REM 중 1종 또는 2종을 합계 0.0050% 이하로 추가로 포함하는 고강도 강재.
- 제 1 항에 있어서,Mg: 0.0050% 이하를 추가로 포함하는 고강도 강재.
- 제 1 항에 있어서,Hf: 0.050% 이하 및 Zr: 0.100% 이하 중 어느 1종 또는 2종을 추가로 포함하는 고강도 강재.
- 제 1 항에 있어서,W: 5.0% 이하 및 Co: 5.0% 이하 중 어느 1종 또는 2종을 추가로 포함하는 고강도 강재.
- 제 1 항 내지 제 7 항 중 어느 한 항에 따른 고강도 강재에 의해 형성된 고강도 강판.
- 제 1 항 내지 제 7 항 중 어느 한 항에 따른 성분을 갖는 강을 오스테나이트역 온도로 가열하고, 마무리 온도를 870℃ 이하로 하여 열간 압연하고, 냉각하는 고강도 강판의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00307856 | 2004-10-22 | ||
JP2004307856A JP4279231B2 (ja) | 2004-10-22 | 2004-10-22 | 溶接熱影響部の靭性に優れた高強度鋼材 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060049102A KR20060049102A (ko) | 2006-05-18 |
KR100714540B1 true KR100714540B1 (ko) | 2007-05-07 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020050099227A KR100714540B1 (ko) | 2004-10-22 | 2005-10-20 | 용접열 영향부 인성이 우수한 고강도 강재 |
Country Status (3)
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JP (1) | JP4279231B2 (ko) |
KR (1) | KR100714540B1 (ko) |
CN (1) | CN100494463C (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101265553B (zh) * | 2007-03-15 | 2011-01-19 | 株式会社神户制钢所 | 挤压加工性优异的高强度热轧钢板及其制造方法 |
JP4976905B2 (ja) * | 2007-04-09 | 2012-07-18 | 株式会社神戸製鋼所 | Haz靭性および母材靭性に優れた厚鋼板 |
KR100954042B1 (ko) * | 2007-04-09 | 2010-04-20 | 가부시키가이샤 고베 세이코쇼 | Haz 인성이 우수한 후강판 |
JP4914783B2 (ja) * | 2007-08-07 | 2012-04-11 | 株式会社神戸製鋼所 | シャー切断性に優れた大入熱溶接用厚鋼板 |
CN101407893B (zh) * | 2008-11-25 | 2011-04-06 | 武汉钢铁(集团)公司 | 一种高强度大线能量焊接耐火抗震建筑用钢及其生产方法 |
CN102796966A (zh) * | 2011-05-25 | 2012-11-28 | 宝山钢铁股份有限公司 | 一种高强度钢、钢管及其制造方法 |
JP5636347B2 (ja) * | 2011-08-17 | 2014-12-03 | 株式会社神戸製鋼所 | 室温および温間での成形性に優れた高強度鋼板およびその温間成形方法 |
CN106756612B (zh) * | 2016-12-07 | 2018-02-23 | 钢铁研究总院 | 一种贝氏体/马氏体/奥氏体高韧易焊接船板钢及制造方法 |
KR101879082B1 (ko) * | 2016-12-21 | 2018-07-16 | 주식회사 포스코 | 저항복비형 초고강도 강재 및 그 제조방법 |
US20200325565A1 (en) * | 2017-11-15 | 2020-10-15 | Nippon Steel Corporation | Austenitic heat-resistant steel weld metal, welded joint, welding material for austenitic heat-resistant steel, and method of manufacturing welded joint |
CN111910127B (zh) * | 2020-08-07 | 2022-02-22 | 安阳钢铁股份有限公司 | 一种满足焊接热输入30kJ/cm液压支架用Q890钢板及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0711382A (ja) * | 1993-06-28 | 1995-01-13 | Kobe Steel Ltd | 伸びフランジ性に優れた高強度熱延鋼板とその製造方法 |
JP2000087175A (ja) * | 1998-07-16 | 2000-03-28 | Nippon Steel Corp | 溶接後の成形性に優れ溶接熱影響部の軟化しにくい高強度鋼板 |
WO2004059021A1 (ja) * | 2002-12-24 | 2004-07-15 | Nippon Steel Corporation | 溶接熱影響部の耐軟化性に優れたバーリング性高強度鋼板およびその製造方法 |
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2004
- 2004-10-22 JP JP2004307856A patent/JP4279231B2/ja not_active Expired - Fee Related
-
2005
- 2005-10-20 KR KR1020050099227A patent/KR100714540B1/ko active IP Right Grant
- 2005-10-21 CN CNB2005101164512A patent/CN100494463C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0711382A (ja) * | 1993-06-28 | 1995-01-13 | Kobe Steel Ltd | 伸びフランジ性に優れた高強度熱延鋼板とその製造方法 |
JP2000087175A (ja) * | 1998-07-16 | 2000-03-28 | Nippon Steel Corp | 溶接後の成形性に優れ溶接熱影響部の軟化しにくい高強度鋼板 |
WO2004059021A1 (ja) * | 2002-12-24 | 2004-07-15 | Nippon Steel Corporation | 溶接熱影響部の耐軟化性に優れたバーリング性高強度鋼板およびその製造方法 |
Non-Patent Citations (2)
Title |
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일본 공개특허공보 07-11382 |
일본 공개특허공보 2000-87175 |
Also Published As
Publication number | Publication date |
---|---|
KR20060049102A (ko) | 2006-05-18 |
CN1763234A (zh) | 2006-04-26 |
CN100494463C (zh) | 2009-06-03 |
JP4279231B2 (ja) | 2009-06-17 |
JP2006118007A (ja) | 2006-05-11 |
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