JP6509187B2 - 曲げ加工性に優れた高強度冷延鋼板及びその製造方法 - Google Patents
曲げ加工性に優れた高強度冷延鋼板及びその製造方法 Download PDFInfo
- Publication number
- JP6509187B2 JP6509187B2 JP2016228836A JP2016228836A JP6509187B2 JP 6509187 B2 JP6509187 B2 JP 6509187B2 JP 2016228836 A JP2016228836 A JP 2016228836A JP 2016228836 A JP2016228836 A JP 2016228836A JP 6509187 B2 JP6509187 B2 JP 6509187B2
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- content
- rolled steel
- high strength
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 title claims description 40
- 239000010960 cold rolled steel Substances 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 65
- 239000010959 steel Substances 0.000 claims description 65
- 238000001816 cooling Methods 0.000 claims description 34
- 229910052719 titanium Inorganic materials 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 238000000137 annealing Methods 0.000 claims description 14
- 229910000859 α-Fe Inorganic materials 0.000 claims description 14
- 229910001563 bainite Inorganic materials 0.000 claims description 13
- 229910052791 calcium Inorganic materials 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 229910018575 Al—Ti Inorganic materials 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 7
- 229910000734 martensite Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims 1
- 239000010936 titanium Substances 0.000 description 56
- 239000011575 calcium Substances 0.000 description 16
- 239000011651 chromium Substances 0.000 description 14
- 239000011572 manganese Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 230000001965 increasing effect Effects 0.000 description 11
- 230000009466 transformation Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 238000007747 plating Methods 0.000 description 9
- 239000010955 niobium Substances 0.000 description 8
- 239000002344 surface layer Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000009628 steelmaking Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000006104 solid solution Substances 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000002000 scavenging effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000013626 chemical specie Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 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
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- C21D8/0236—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
- C22C38/001—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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/26—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
- 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
- C21D2211/001—Austenite
-
- 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
-
- 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
Landscapes
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150183511A KR101767762B1 (ko) | 2015-12-22 | 2015-12-22 | 굽힘 가공성이 우수한 고강도 냉연강판 및 그 제조방법 |
| KR10-2015-0183511 | 2015-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017115238A JP2017115238A (ja) | 2017-06-29 |
| JP6509187B2 true JP6509187B2 (ja) | 2019-05-08 |
Family
ID=59206369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016228836A Active JP6509187B2 (ja) | 2015-12-22 | 2016-11-25 | 曲げ加工性に優れた高強度冷延鋼板及びその製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6509187B2 (zh) |
| KR (1) | KR101767762B1 (zh) |
| CN (1) | CN106906425A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950411B (zh) * | 2018-07-27 | 2020-05-19 | 南京工程学院 | 一种具备近净成型的超高强度钢及其制备方法 |
| MX2021009065A (es) * | 2019-01-29 | 2021-08-18 | Jfe Steel Corp | Lamina de acero galvanizada por inmersion en caliente de alta resistencia y metodo de fabricacion para la misma. |
| KR102328392B1 (ko) * | 2019-12-20 | 2021-11-19 | 주식회사 포스코 | 펀칭 가공부 단면품질이 우수한 초고강도 강판 및 그 제조방법 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3247907B2 (ja) * | 1992-11-05 | 2002-01-21 | 川崎製鉄株式会社 | 延性と耐遅れ破壊特性に優れた高強度冷延鋼板およびその製造方法 |
| JP2003119546A (ja) * | 2001-10-15 | 2003-04-23 | Nippon Steel Corp | 介在物性欠陥が少ない薄板用鋼 |
| KR100815709B1 (ko) * | 2006-12-12 | 2008-03-20 | 주식회사 포스코 | 내후성 및 가공성이 우수한 고강도 냉연강판과 그 제조방법 |
| JP5194878B2 (ja) * | 2007-04-13 | 2013-05-08 | Ｊｆｅスチール株式会社 | 加工性および溶接性に優れる高強度溶融亜鉛めっき鋼板およびその製造方法 |
| JP5516057B2 (ja) * | 2010-05-17 | 2014-06-11 | 新日鐵住金株式会社 | 高強度溶融亜鉛めっき鋼板およびその製造方法 |
| JP5434960B2 (ja) * | 2010-05-31 | 2014-03-05 | Ｊｆｅスチール株式会社 | 曲げ性および溶接性に優れる高強度溶融亜鉛めっき鋼板およびその製造方法 |
| JP5862651B2 (ja) * | 2013-12-18 | 2016-02-16 | Ｊｆｅスチール株式会社 | 耐衝撃性および曲げ加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 |
-
2015
- 2015-12-22 KR KR1020150183511A patent/KR101767762B1/ko active IP Right Grant
-
2016
- 2016-10-28 CN CN201610967195.6A patent/CN106906425A/zh active Pending
- 2016-11-25 JP JP2016228836A patent/JP6509187B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106906425A (zh) | 2017-06-30 |
| KR101767762B1 (ko) | 2017-08-14 |
| JP2017115238A (ja) | 2017-06-29 |
| KR20170075047A (ko) | 2017-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5206244B2 (ja) | 冷延鋼板 | |
| JP5884714B2 (ja) | 溶融亜鉛めっき鋼板およびその製造方法 | |
| TWI542708B (zh) | 成形性優異之高強度熔融鍍鋅鋼板 | |
| JP5277648B2 (ja) | 耐遅れ破壊特性に優れた高張力鋼板並びにその製造方法 | |
| CN108463570B (zh) | 化学转化处理性及扩孔性优异的超高强度钢板及其制造方法 | |
| KR101892839B1 (ko) | 후강판 및 그 제조 방법 | |
| JP2016534230A (ja) | 高硬度熱間圧延鋼材製品及びその製造方法 | |
| JP6703606B2 (ja) | 化成処理性及び曲げ加工性に優れた超高強度鋼板及びその製造方法 | |
| JP2005126733A (ja) | 高温加工性にすぐれた熱間プレス用鋼板及び自動車用部材 | |
| KR101986640B1 (ko) | 고강도 냉연 강판 및 그의 제조 방법 | |
| EP3733892A1 (en) | Steel material, for pressure vessel, showing excellent hydrogen-induced cracking resistance and method for preparing same | |
| JP2011052295A (ja) | 伸びと伸びフランジ性のバランスに優れた高強度冷延鋼板 | |
| JP4840269B2 (ja) | 高強度鋼板とその製造方法 | |
| CN111133122B (zh) | 具有优异的强度和延展性的低合金钢板及其制造方法 | |
| KR101903174B1 (ko) | 강도 및 연성이 우수한 저합금 강판 | |
| JP2010229514A (ja) | 冷延鋼板およびその製造方法 | |
| JP6509187B2 (ja) | 曲げ加工性に優れた高強度冷延鋼板及びその製造方法 | |
| JP2018524475A (ja) | 高強度鋼板及びその製造方法 | |
| WO2015159965A1 (ja) | 強冷間加工性と加工後の硬さに優れる熱延鋼板 | |
| WO2015198582A1 (ja) | 高強度鋼板 | |
| JP2010126808A (ja) | 冷延鋼板およびその製造方法 | |
| JP7431325B2 (ja) | 耐久性に優れた厚物複合組織鋼及びその製造方法 | |
| JP5870825B2 (ja) | 合金化溶融亜鉛めっき熱延鋼板およびその製造方法 | |
| JP2010180462A (ja) | 冷延鋼板およびその製造方法 | |
| JP6631702B2 (ja) | 低温靭性に優れた高張力鋼板 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20171113 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171205 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180301 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180515 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180806 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20181016 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190206 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20190214 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190312 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190402 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6509187 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |