CN108431276B - 抗热性优异的高强度结构用钢板及其制造方法 - Google Patents
抗热性优异的高强度结构用钢板及其制造方法 Download PDFInfo
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- CN108431276B CN108431276B CN201680075866.6A CN201680075866A CN108431276B CN 108431276 B CN108431276 B CN 108431276B CN 201680075866 A CN201680075866 A CN 201680075866A CN 108431276 B CN108431276 B CN 108431276B
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- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims abstract description 15
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 26
- 238000005096 rolling process Methods 0.000 claims description 24
- 238000001953 recrystallisation Methods 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000003303 reheating Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 20
- 239000002244 precipitate Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 10
- 239000000956 alloy Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910017263 Mo—C Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- 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
- C21D2211/004—Dispersions; Precipitations
-
- 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
- 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
-
- 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
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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 Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150184775A KR101758520B1 (ko) | 2015-12-23 | 2015-12-23 | 열간 저항성이 우수한 고강도 구조용 강판 및 그 제조방법 |
KR10-2015-0184775 | 2015-12-23 | ||
PCT/KR2016/014964 WO2017111443A1 (ko) | 2015-12-23 | 2016-12-21 | 열간 저항성이 우수한 고강도 구조용 강판 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108431276A CN108431276A (zh) | 2018-08-21 |
CN108431276B true CN108431276B (zh) | 2020-04-14 |
Family
ID=59090640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201680075866.6A Active CN108431276B (zh) | 2015-12-23 | 2016-12-21 | 抗热性优异的高强度结构用钢板及其制造方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3395988B1 (ja) |
JP (1) | JP6718510B2 (ja) |
KR (1) | KR101758520B1 (ja) |
CN (1) | CN108431276B (ja) |
WO (1) | WO2017111443A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6673320B2 (ja) * | 2017-02-16 | 2020-03-25 | Jfeスチール株式会社 | 厚鋼板および厚鋼板の製造方法 |
KR101949036B1 (ko) * | 2017-10-11 | 2019-05-08 | 주식회사 포스코 | 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법 |
KR101999018B1 (ko) * | 2017-12-24 | 2019-07-10 | 주식회사 포스코 | 저온인성이 우수한 후강판 및 그 제조방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183123A (ja) * | 1987-01-26 | 1988-07-28 | Kobe Steel Ltd | 線状及び点状再加熱加工後の低温靭性にすぐれる高張力鋼の製造方法 |
CN101688272A (zh) * | 2008-01-08 | 2010-03-31 | 新日本制铁株式会社 | 利用线状加热的弯曲加工性优异的厚钢板及其制造方法 |
CN102753719A (zh) * | 2009-12-28 | 2012-10-24 | Posco公司 | 具有优良抗脆裂性的高强度钢板及其制造方法 |
CN103361554A (zh) * | 2012-03-29 | 2013-10-23 | 株式会社神户制钢所 | 弯曲加工性、冲击特性和拉伸特性优异的钢板及其制造方法 |
CN103403204A (zh) * | 2010-12-28 | 2013-11-20 | Posco公司 | 在低温下具有优异韧性的高强度钢板及其制造方法 |
CN104884656A (zh) * | 2012-12-27 | 2015-09-02 | Posco公司 | 极低温韧性优异且具有低屈服特性的高强度钢板及其制备方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11152540A (ja) * | 1997-11-18 | 1999-06-08 | Sumitomo Metal Ind Ltd | 線状加熱に伴う靱性劣化が少ない鋼材 |
JP2002235114A (ja) * | 2001-02-05 | 2002-08-23 | Kawasaki Steel Corp | 大入熱溶接部靱性に優れた厚肉高張力鋼の製造方法 |
KR100544638B1 (ko) * | 2001-12-24 | 2006-01-24 | 주식회사 포스코 | 항복강도 및 저온 파괴정지 특성이 우수한 후판강관구조용 강재의 제조방법 |
JP4066850B2 (ja) * | 2003-03-03 | 2008-03-26 | Jfeスチール株式会社 | 溶接部のctod特性に優れる高張力鋼の製造方法 |
JP4846242B2 (ja) * | 2005-01-25 | 2011-12-28 | 新日本製鐵株式会社 | 加熱曲げ特性に優れた厚鋼板の曲げ加工方法 |
JP4751137B2 (ja) * | 2005-08-26 | 2011-08-17 | 新日本製鐵株式会社 | 線状加熱による曲げ加工が容易な鋼板の製造方法 |
KR100660230B1 (ko) | 2005-12-26 | 2006-12-21 | 주식회사 포스코 | 두께 중심부의 강도와 인성이 우수한 용접구조용 극후물강판 및 그 제조방법 |
US8647564B2 (en) * | 2007-12-04 | 2014-02-11 | Posco | High-strength steel sheet with excellent low temperature toughness and manufacturing thereof |
KR100957982B1 (ko) * | 2007-12-24 | 2010-05-17 | 주식회사 포스코 | Ctod 특성이 우수한 용접이음부를 포함하는용접구조용강 |
JP5187151B2 (ja) * | 2008-11-17 | 2013-04-24 | 新日鐵住金株式会社 | 線状加熱による曲げ加工性に優れた厚鋼板及びその製造方法 |
KR20110022308A (ko) * | 2009-08-27 | 2011-03-07 | 현대제철 주식회사 | 고강도 강재 및 그 제조방법 |
BR112012024297B1 (pt) * | 2010-05-27 | 2019-02-12 | Nippon Steel & Sumitomo Metal Corporation | Método de produção de uma chapa de aço |
-
2015
- 2015-12-23 KR KR1020150184775A patent/KR101758520B1/ko active IP Right Grant
-
2016
- 2016-12-21 CN CN201680075866.6A patent/CN108431276B/zh active Active
- 2016-12-21 WO PCT/KR2016/014964 patent/WO2017111443A1/ko active Application Filing
- 2016-12-21 JP JP2018533626A patent/JP6718510B2/ja active Active
- 2016-12-21 EP EP16879310.7A patent/EP3395988B1/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183123A (ja) * | 1987-01-26 | 1988-07-28 | Kobe Steel Ltd | 線状及び点状再加熱加工後の低温靭性にすぐれる高張力鋼の製造方法 |
CN101688272A (zh) * | 2008-01-08 | 2010-03-31 | 新日本制铁株式会社 | 利用线状加热的弯曲加工性优异的厚钢板及其制造方法 |
CN102753719A (zh) * | 2009-12-28 | 2012-10-24 | Posco公司 | 具有优良抗脆裂性的高强度钢板及其制造方法 |
CN103403204A (zh) * | 2010-12-28 | 2013-11-20 | Posco公司 | 在低温下具有优异韧性的高强度钢板及其制造方法 |
CN103361554A (zh) * | 2012-03-29 | 2013-10-23 | 株式会社神户制钢所 | 弯曲加工性、冲击特性和拉伸特性优异的钢板及其制造方法 |
CN104884656A (zh) * | 2012-12-27 | 2015-09-02 | Posco公司 | 极低温韧性优异且具有低屈服特性的高强度钢板及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2017111443A8 (ko) | 2017-10-26 |
KR101758520B1 (ko) | 2017-07-17 |
CN108431276A (zh) | 2018-08-21 |
EP3395988B1 (en) | 2024-02-07 |
EP3395988A4 (en) | 2019-02-27 |
JP2019505676A (ja) | 2019-02-28 |
EP3395988C0 (en) | 2024-02-07 |
JP6718510B2 (ja) | 2020-07-08 |
WO2017111443A1 (ko) | 2017-06-29 |
KR20170075851A (ko) | 2017-07-04 |
EP3395988A1 (en) | 2018-10-31 |
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Effective date of registration: 20230607 Address after: Gyeongbuk, South Korea Patentee after: POSCO Co.,Ltd. Address before: Seoul, South Kerean Patentee before: POSCO Holdings Co.,Ltd. |