JP5701483B2 - 厚さ中心部の強度及び靭性に優れて材質偏差の少ない溶接構造用極厚物鋼板及びその製造方法 - Google Patents
厚さ中心部の強度及び靭性に優れて材質偏差の少ない溶接構造用極厚物鋼板及びその製造方法 Download PDFInfo
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- JP5701483B2 JP5701483B2 JP2008548389A JP2008548389A JP5701483B2 JP 5701483 B2 JP5701483 B2 JP 5701483B2 JP 2008548389 A JP2008548389 A JP 2008548389A JP 2008548389 A JP2008548389 A JP 2008548389A JP 5701483 B2 JP5701483 B2 JP 5701483B2
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- thickness
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- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 162
- 239000010959 steel Substances 0.000 title claims description 162
- 239000000463 material Substances 0.000 title claims description 62
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title description 15
- 238000001816 cooling Methods 0.000 claims description 58
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims description 39
- 238000005096 rolling process Methods 0.000 claims description 34
- 239000002344 surface layer Substances 0.000 claims description 32
- 229910000734 martensite Inorganic materials 0.000 claims description 30
- 229910001566 austenite Inorganic materials 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 13
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 229910052758 niobium Inorganic materials 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 238000001953 recrystallisation Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 23
- 239000000203 mixture Substances 0.000 description 19
- 239000011572 manganese Substances 0.000 description 14
- DBIMSKIDWWYXJV-UHFFFAOYSA-L [dibutyl(trifluoromethylsulfonyloxy)stannyl] trifluoromethanesulfonate Chemical compound CCCC[Sn](CCCC)(OS(=O)(=O)C(F)(F)F)OS(=O)(=O)C(F)(F)F DBIMSKIDWWYXJV-UHFFFAOYSA-L 0.000 description 11
- 229910001563 bainite Inorganic materials 0.000 description 11
- 229910000859 α-Fe Inorganic materials 0.000 description 11
- 239000006104 solid solution Substances 0.000 description 9
- 230000009466 transformation Effects 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003303 reheating Methods 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000010953 base metal Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910004349 Ti-Al Inorganic materials 0.000 description 1
- 229910004692 Ti—Al Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- RRZKHZBOZDIQJG-UHFFFAOYSA-N azane;manganese Chemical compound N.[Mn] RRZKHZBOZDIQJG-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- -1 cyanide compound Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000001052 transient effect Effects 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
- C22C38/14—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
- C22C38/02—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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2005-0130057 | 2005-12-26 | ||
| KR1020050130057A KR100660229B1 (ko) | 2005-12-26 | 2005-12-26 | 두께 중심부의 강도와 인성이 우수하고 재질편차가 적은용접구조용 극후물 강판 및 그 제조방법 |
| PCT/KR2006/005548 WO2007074989A1 (en) | 2005-12-26 | 2006-12-19 | Thick steel plate for welded structure having excellent strength and toughness in central region of thickness and small variation of properties through thickness and method of producing the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009521601A JP2009521601A (ja) | 2009-06-04 |
| JP2009521601A5 JP2009521601A5 (https=) | 2012-04-26 |
| JP5701483B2 true JP5701483B2 (ja) | 2015-04-15 |
Family
ID=37815192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008548389A Expired - Fee Related JP5701483B2 (ja) | 2005-12-26 | 2006-12-19 | 厚さ中心部の強度及び靭性に優れて材質偏差の少ない溶接構造用極厚物鋼板及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5701483B2 (https=) |
| KR (1) | KR100660229B1 (https=) |
| CN (1) | CN101346483B (https=) |
| DE (1) | DE112006003553B9 (https=) |
| WO (1) | WO2007074989A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100825596B1 (ko) * | 2006-12-22 | 2008-04-25 | 주식회사 포스코 | 두께방향 재질편차가 적은 보론첨가 고강도 극후물 강판의제조방법 |
| KR101120351B1 (ko) * | 2008-09-04 | 2012-03-13 | 가부시키가이샤 고베 세이코쇼 | 후강판 |
| JP2014034695A (ja) * | 2012-08-08 | 2014-02-24 | Nippon Steel & Sumitomo Metal | 冷間加工性に優れた厚肉高強度鋼板およびその製造方法 |
| KR101536471B1 (ko) * | 2013-12-24 | 2015-07-13 | 주식회사 포스코 | 용접열영향부 인성이 우수한 초고강도 용접구조용 강재 및 이의 제조방법 |
| CN104498832A (zh) * | 2014-11-28 | 2015-04-08 | 内蒙古包钢钢联股份有限公司 | 一种低成本q550d钢板及其制造方法 |
| JP6179609B2 (ja) * | 2016-01-08 | 2017-08-16 | 新日鐵住金株式会社 | 冷間加工性に優れた厚肉高強度鋼板の製造方法 |
| DE102021104584A1 (de) * | 2021-02-25 | 2022-08-25 | Salzgitter Flachstahl Gmbh | Hochfestes, warmgewalztes Stahlflachprodukt mit hoher lokaler Kaltumformbarkeit sowie ein Verfahren zur Herstellung eines solchen Stahlflachprodukts |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877528A (ja) * | 1981-10-31 | 1983-05-10 | Nippon Steel Corp | 低温靭性の優れた高張力鋼の製造法 |
| JPS6067621A (ja) * | 1983-09-22 | 1985-04-18 | Kawasaki Steel Corp | 非調質高張力鋼の製造方法 |
| JPS62170459A (ja) * | 1986-01-22 | 1987-07-27 | Sumitomo Metal Ind Ltd | 大入熱溶接用高張力鋼板の製造方法 |
| JPS62174323A (ja) * | 1986-01-24 | 1987-07-31 | Kobe Steel Ltd | 溶接性に優れた降伏強度５０ｋｇｆ／ｍｍ２以上を有する非調質厚肉鋼板の製造法 |
| JPS63199821A (ja) * | 1987-02-12 | 1988-08-18 | Kobe Steel Ltd | 加速冷却型高張力鋼板の製造方法 |
| JPS63235431A (ja) * | 1987-03-24 | 1988-09-30 | Nippon Steel Corp | 強度、靭性に優れ音響異方性の小さい鋼板の製造法 |
| JPH0344417A (ja) * | 1989-07-11 | 1991-02-26 | Nippon Steel Corp | 内質の優れた溶接構造用厚鋼板の製造方法 |
| JP2703162B2 (ja) * | 1991-12-13 | 1998-01-26 | 川崎製鉄株式会社 | 電子ビーム溶接部の靱性に優れた溶接構造用厚鋼板およびその製造方法 |
| JP3224677B2 (ja) * | 1994-03-30 | 2001-11-05 | 新日本製鐵株式会社 | 溶接用低温用鋼 |
| JP3569314B2 (ja) * | 1994-08-31 | 2004-09-22 | 新日本製鐵株式会社 | 溶接継手の疲労強度に優れた溶接構造用厚鋼板およびその製造方法 |
| WO1996009419A1 (en) | 1994-09-20 | 1996-03-28 | Kawasaki Steel Corporation | Bainite steel material of little scatter of quality and method of manufacturing the same |
| JP3390584B2 (ja) * | 1995-08-31 | 2003-03-24 | 川崎製鉄株式会社 | 熱延鋼板およびその製造方法 |
| DE19913498C1 (de) * | 1999-03-25 | 2000-10-12 | Thyssenkrupp Stahl Ag | Verfahren zum Herstellen eines Warmbandes und Warmbandlinie zur Durchführung des Verfahrens |
| JP3869735B2 (ja) * | 2002-02-05 | 2007-01-17 | 新日本製鐵株式会社 | アレスト性に優れた直接焼入れ型高張力厚鋼板 |
-
2005
- 2005-12-26 KR KR1020050130057A patent/KR100660229B1/ko not_active Expired - Fee Related
-
2006
- 2006-12-19 WO PCT/KR2006/005548 patent/WO2007074989A1/en not_active Ceased
- 2006-12-19 JP JP2008548389A patent/JP5701483B2/ja not_active Expired - Fee Related
- 2006-12-19 DE DE112006003553.3T patent/DE112006003553B9/de not_active Expired - Fee Related
- 2006-12-19 CN CN200680049218XA patent/CN101346483B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE112006003553B4 (de) | 2013-10-17 |
| WO2007074989A9 (en) | 2010-06-17 |
| JP2009521601A (ja) | 2009-06-04 |
| CN101346483B (zh) | 2011-09-14 |
| CN101346483A (zh) | 2009-01-14 |
| WO2007074989A1 (en) | 2007-07-05 |
| DE112006003553B9 (de) | 2014-01-16 |
| DE112006003553T5 (de) | 2008-11-13 |
| KR100660229B1 (ko) | 2006-12-21 |
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