JP2011508085A - 溶接性に優れた高強度薄鋼板及びその製造方法 - Google Patents
溶接性に優れた高強度薄鋼板及びその製造方法 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 229910052796 boron Inorganic materials 0.000 claims abstract description 17
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 17
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 16
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 29
- 229910000859 α-Fe Inorganic materials 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 16
- 229910000734 martensite Inorganic materials 0.000 claims description 13
- 229910001563 bainite Inorganic materials 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 238000005275 alloying Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000003303 reheating Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 abstract description 20
- 238000005452 bending Methods 0.000 abstract description 13
- 239000004566 building material Substances 0.000 abstract description 2
- 239000011572 manganese Substances 0.000 description 24
- 238000000137 annealing Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 12
- 239000011651 chromium Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 229910001566 austenite Inorganic materials 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000005097 cold rolling Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 3
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910000794 TRIP steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005324 grain boundary diffusion Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- VASIZKWUTCETSD-UHFFFAOYSA-N manganese(II) oxide Inorganic materials [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
- C22C38/18—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
- 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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D2211/002—Bainite
-
- 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
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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)
- Coating With Molten Metal (AREA)
Abstract
Description
5<(Si/Mn+150B)/Sb<20
C+Mn/20+Si/30+2P+4S<0.27
−5LogCR+25C−17Si+40Cr+13,000B>30
ここで、CRは冷却速度
-焼鈍炉加熱速度:3℃/sec
-焼鈍時間:90sec
-メッキ温度:460℃
-合金化時間:24sec(GA製品の場合)
○:取れたメッキ幅が1〜3mm以内
△:取れたメッキ幅が3〜5mm以内
X:取れたメッキ幅が5mm以上
Claims (6)
- 重量%で、C:0.02〜0.20%、Si:1.5%以下、Mn:1.5〜3.0%、P:0.001〜0.10%、S:0.010%以下、Sol.Al:0.01〜0.40%、N:0.020%以下、Cr:0.3〜1.5%、B:0.0010〜0.0060%、及びSb:0.001〜0.10%を含み、Ti:0.003〜0.08%、Nb:0.003〜0.08%、及びMo:0.003〜0.08%からなるグループから選択される少なくとも1種以上を含み、及び残部Fe及びその他不可避的不純物を含み、
前記Si、Mn、B、Sb、P、及びSが、5<(Si/Mn+150B)/Sb<20及びC+Mn/20+Si/30+2P+4S<0.27を満たす、溶接性に優れた高強度薄鋼板。 - 前記鋼板の組織がベイナイト及びベイニティックフェライトからなるグループから選択される1種以上を40%以上含み、残りはフェライト及びマルテンサイト相である、請求項1に記載の溶接性に優れた高強度薄鋼板。
- 前記鋼板の表面に溶融亜鉛メッキ(GI)層または合金化溶融亜鉛メッキ(GA)層を含む、請求項1に記載の溶接性に優れた高強度薄鋼板。
- 重量%で、C:0.02〜0.20%、Si:1.5%以下、Mn:1.5〜3.0%、P:0.001〜0.10%、S:0.010%以下、Sol.Al:0.01〜0.40%、N:0.020%以下、Cr:0.3〜1.5%、B:0.0010〜0.0060%、及びSb:0.001〜0.10%を含み、Ti:0.003〜0.08%、Nb:0.003〜0.08%、及びMo:0.003〜0.08%からなるグループから選択される少なくとも1種以上を含み、及び残部Fe及びその他不可避的不純物を含み、
前記Si、Mn、B、Sb、P、及びSが、5<(Si/Mn+150B)/Sb<20及びC+Mn/20+Si/30+2P+4S<0.27を満たす鋼板のスラブを再加熱した後、仕上げ圧延の出口側の温度がAr3変態点〜950℃の間になるように圧延して巻取する段階、
巻取した熱延板を酸洗した後、40〜80%の圧下率で冷間圧延する段階、及び
前記得られた冷延板を740℃〜860℃の温度範囲で連続焼鈍を行い、3〜150℃/sの冷却速度(CR)の範囲で−5LogCR+25C−17Si+40Cr+13,000B>30の条件を満たす冷却速度で250〜600℃の温度まで冷却した後、5℃/min以上の冷却速度で冷却する段階を含む、溶接性に優れた高強度薄鋼板の製造方法。 - 前記鋼板の組織がベイナイト及びベイニティックフェライトからなるグループから選択される1種以上を40%以上含み、残りはフェライト及びマルテンサイト相である、請求項4に記載の溶接性に優れた高強度薄鋼板の製造方法。
- 溶融亜鉛メッキ(GI)または合金化溶融亜鉛メッキ(GA)をする段階をさらに含む、請求項4に記載の溶接性に優れた高強度薄鋼板の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070140446A KR100928788B1 (ko) | 2007-12-28 | 2007-12-28 | 용접성이 우수한 고강도 박강판과 그 제조방법 |
KR10-2007-0140446 | 2007-12-28 | ||
PCT/KR2008/004627 WO2009084795A1 (en) | 2007-12-28 | 2008-08-08 | High strength thin steel sheet excelling in weldability and process for producing the same |
Publications (2)
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JP2011508085A true JP2011508085A (ja) | 2011-03-10 |
JP5228062B2 JP5228062B2 (ja) | 2013-07-03 |
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Country Status (5)
Country | Link |
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US (1) | US20110017363A1 (ja) |
JP (1) | JP5228062B2 (ja) |
KR (1) | KR100928788B1 (ja) |
CN (2) | CN104726797A (ja) |
WO (1) | WO2009084795A1 (ja) |
Cited By (6)
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JP2015507094A (ja) * | 2011-12-26 | 2015-03-05 | ポスコ | 溶接性及び曲げ加工性に優れた超高強度冷延鋼板及びその製造方法 |
WO2016147550A1 (ja) * | 2015-03-13 | 2016-09-22 | Jfeスチール株式会社 | 高強度冷延鋼板およびその製造方法 |
JP2017510703A (ja) * | 2014-02-05 | 2017-04-13 | アルセロールミタル・エス・ア | 熱間形成性空気焼き入れ性溶接性鋼板 |
JP2020509177A (ja) * | 2016-12-16 | 2020-03-26 | ポスコPosco | 降伏強度、延性、及び穴拡げ性に優れた高強度冷延鋼板、溶融亜鉛めっき鋼板、及びこれらの製造方法 |
JP2021504576A (ja) * | 2017-12-22 | 2021-02-15 | ポスコPosco | 衝突特性及び成形性に優れた高強度鋼板及びその製造方法 |
JP2021508000A (ja) * | 2017-12-24 | 2021-02-25 | ポスコPosco | 焼付硬化性及びめっき密着性に優れた鋼板及びその製造方法 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004231992A (ja) * | 2003-01-28 | 2004-08-19 | Nippon Steel Corp | 耐水素脆化に優れた高強度薄鋼板及びその製造方法 |
JP2004323951A (ja) * | 2003-04-28 | 2004-11-18 | Nippon Steel Corp | 耐水素脆化、溶接性および穴拡げ性に優れた高強度亜鉛めっき鋼板とその製造方法 |
JP2004332100A (ja) * | 2003-04-17 | 2004-11-25 | Nippon Steel Corp | 耐水素脆化、溶接性および穴拡げ性に優れた高強度薄鋼板及びその製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6911268B2 (en) * | 2000-12-29 | 2005-06-28 | Nippon Steel Corporation | High strength hot-dip galvanized or galvannealed steel sheet having improved plating adhesion and press formability and process for producing the same |
CN1169991C (zh) * | 2001-10-19 | 2004-10-06 | 住友金属工业株式会社 | 具有优异的可加工性和成型精度的薄钢板及其制造方法 |
JP4091894B2 (ja) * | 2003-04-14 | 2008-05-28 | 新日本製鐵株式会社 | 耐水素脆化、溶接性、穴拡げ性および延性に優れた高強度薄鋼板およびその製造方法 |
JP4635525B2 (ja) * | 2003-09-26 | 2011-02-23 | Jfeスチール株式会社 | 深絞り性に優れた高強度鋼板およびその製造方法 |
KR101165168B1 (ko) * | 2003-09-30 | 2012-07-11 | 신닛뽄세이테쯔 카부시키카이샤 | 용접성과 연성이 우수한 고항복비 고강도 박강판 및 고항복비 고강도 용융 아연 도금 박강판 및 고항복비 고강도 합금화 용융 아연 도금 박강판과 그 제조 방법 |
JP4486334B2 (ja) * | 2003-09-30 | 2010-06-23 | 新日本製鐵株式会社 | 溶接性と延性に優れた高降伏比高強度熱延鋼板及び高降伏比高強度溶融亜鉛めっき鋼板、並びに、高降伏比高強度合金化溶融亜鉛めっき鋼板とその製造方法 |
JP4718866B2 (ja) * | 2005-03-04 | 2011-07-06 | 新日本製鐵株式会社 | 溶接性およびガス切断性に優れた高張力耐火鋼およびその製造方法 |
JP2007056238A (ja) | 2005-07-29 | 2007-03-08 | Mitsubishi Gas Chem Co Inc | 脂環構造を有するアクリレート化合物およびそれを原料とする樹脂組成物 |
WO2007067014A1 (en) * | 2005-12-09 | 2007-06-14 | Posco | Tole d'acier laminee a froid de haute resistance possedant une excellente propriete de formabilite et de revetement, tole d'acier plaquee de metal a base de zinc fabriquee a partir de cette tole et procece de fabrication de celle-ci |
JP4502947B2 (ja) * | 2005-12-27 | 2010-07-14 | 株式会社神戸製鋼所 | 溶接性に優れた鋼板 |
-
2007
- 2007-12-28 KR KR1020070140446A patent/KR100928788B1/ko active IP Right Grant
-
2008
- 2008-08-08 JP JP2010540545A patent/JP5228062B2/ja active Active
- 2008-08-08 CN CN201510080406.XA patent/CN104726797A/zh active Pending
- 2008-08-08 WO PCT/KR2008/004627 patent/WO2009084795A1/en active Application Filing
- 2008-08-08 US US12/810,852 patent/US20110017363A1/en not_active Abandoned
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004231992A (ja) * | 2003-01-28 | 2004-08-19 | Nippon Steel Corp | 耐水素脆化に優れた高強度薄鋼板及びその製造方法 |
JP2004332100A (ja) * | 2003-04-17 | 2004-11-25 | Nippon Steel Corp | 耐水素脆化、溶接性および穴拡げ性に優れた高強度薄鋼板及びその製造方法 |
JP2004323951A (ja) * | 2003-04-28 | 2004-11-18 | Nippon Steel Corp | 耐水素脆化、溶接性および穴拡げ性に優れた高強度亜鉛めっき鋼板とその製造方法 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015507094A (ja) * | 2011-12-26 | 2015-03-05 | ポスコ | 溶接性及び曲げ加工性に優れた超高強度冷延鋼板及びその製造方法 |
JP2017510703A (ja) * | 2014-02-05 | 2017-04-13 | アルセロールミタル・エス・ア | 熱間形成性空気焼き入れ性溶接性鋼板 |
WO2016147550A1 (ja) * | 2015-03-13 | 2016-09-22 | Jfeスチール株式会社 | 高強度冷延鋼板およびその製造方法 |
JP6037087B1 (ja) * | 2015-03-13 | 2016-11-30 | Jfeスチール株式会社 | 高強度冷延鋼板およびその製造方法 |
US10655201B2 (en) | 2015-03-13 | 2020-05-19 | Jfe Steel Corporation | High-strength cold-rolled steel sheet and method for manufacturing the same |
JP2020509177A (ja) * | 2016-12-16 | 2020-03-26 | ポスコPosco | 降伏強度、延性、及び穴拡げ性に優れた高強度冷延鋼板、溶融亜鉛めっき鋼板、及びこれらの製造方法 |
JP2021504576A (ja) * | 2017-12-22 | 2021-02-15 | ポスコPosco | 衝突特性及び成形性に優れた高強度鋼板及びその製造方法 |
US11345985B2 (en) | 2017-12-22 | 2022-05-31 | Posco | High-strength steel sheet with excellent crashworthiness characteristics and formability and method of manufacturing the same |
US11345984B2 (en) | 2017-12-22 | 2022-05-31 | Posco | High-strength steel sheet with excellent crashworthiness characteristics and formability and method of manufacturing the same |
JP7087078B2 (ja) | 2017-12-22 | 2022-06-20 | ポスコ | 衝突特性及び成形性に優れた高強度鋼板及びその製造方法 |
JP2021508000A (ja) * | 2017-12-24 | 2021-02-25 | ポスコPosco | 焼付硬化性及びめっき密着性に優れた鋼板及びその製造方法 |
JP7017635B2 (ja) | 2017-12-24 | 2022-02-08 | ポスコ | 焼付硬化性及びめっき密着性に優れた鋼板及びその製造方法 |
US11421296B2 (en) | 2017-12-24 | 2022-08-23 | Posco | Steel sheet with excellent bake hardening properties and plating adhesion and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
CN104726797A (zh) | 2015-06-24 |
WO2009084795A1 (en) | 2009-07-09 |
US20110017363A1 (en) | 2011-01-27 |
KR100928788B1 (ko) | 2009-11-25 |
KR20090072357A (ko) | 2009-07-02 |
CN101910439A (zh) | 2010-12-08 |
JP5228062B2 (ja) | 2013-07-03 |
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