KR101702794B1 - 열연 강판 및 그 제조 방법 - Google Patents
열연 강판 및 그 제조 방법 Download PDFInfo
- Publication number
- KR101702794B1 KR101702794B1 KR1020157007700A KR20157007700A KR101702794B1 KR 101702794 B1 KR101702794 B1 KR 101702794B1 KR 1020157007700 A KR1020157007700 A KR 1020157007700A KR 20157007700 A KR20157007700 A KR 20157007700A KR 101702794 B1 KR101702794 B1 KR 101702794B1
- Authority
- KR
- South Korea
- Prior art keywords
- cooling
- temperature
- less
- thickness direction
- hardness
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 181
- 239000010959 steel Substances 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims description 64
- 238000004519 manufacturing process Methods 0.000 title description 16
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 94
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 22
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 13
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 191
- 238000005096 rolling process Methods 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 33
- 230000009467 reduction Effects 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 19
- 230000009466 transformation Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 15
- 230000001186 cumulative effect Effects 0.000 claims description 13
- 238000005098 hot rolling Methods 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 19
- 229910001566 austenite Inorganic materials 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 230000007704 transition Effects 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 7
- 238000009863 impact test Methods 0.000 description 6
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000009828 non-uniform distribution Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052840 fayalite Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot 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
- C22C38/18—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
-
- 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following 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
- 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
-
- 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
- C22C38/002—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
- C22C38/02—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
- C22C38/18—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
-
- 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
-
- 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
- C21D2211/008—Martensite
Landscapes
- 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)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2012-201266 | 2012-09-13 | ||
| JP2012201266 | 2012-09-13 | ||
| PCT/JP2013/005388 WO2014041802A1 (ja) | 2012-09-13 | 2013-09-11 | 熱延鋼板およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150038747A KR20150038747A (ko) | 2015-04-08 |
| KR101702794B1 true KR101702794B1 (ko) | 2017-02-03 |
Family
ID=50277943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020157007700A Active KR101702794B1 (ko) | 2012-09-13 | 2013-09-11 | 열연 강판 및 그 제조 방법 |
Country Status (7)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2871253B1 (en) | 2012-09-13 | 2020-06-03 | JFE Steel Corporation | Hot-rolled steel sheet and method for manufacturing same |
| WO2017050790A1 (en) * | 2015-09-22 | 2017-03-30 | Tata Steel Ijmuiden B.V. | A hot-rolled high-strength roll-formable steel sheet with excellent stretch-flange formability and a method of producing said steel |
| WO2017130875A1 (ja) * | 2016-01-27 | 2017-08-03 | Ｊｆｅスチール株式会社 | 電縫鋼管用高強度熱延鋼板およびその製造方法 |
| KR101830437B1 (ko) * | 2016-04-25 | 2018-02-20 | 현대자동차주식회사 | 3층 구조를 갖는 고인성 열처리 강관 및 이의 제조방법 |
| JP6624103B2 (ja) * | 2017-02-06 | 2019-12-25 | Ｊｆｅスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
| WO2018150955A1 (ja) * | 2017-02-17 | 2018-08-23 | Ｊｆｅスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
| KR102217100B1 (ko) * | 2017-04-28 | 2021-02-18 | 닛폰세이테츠 가부시키가이샤 | 고강도 강판 및 그 제조 방법 |
| KR102031450B1 (ko) * | 2017-12-24 | 2019-10-11 | 주식회사 포스코 | 고강도 강판 및 그 제조방법 |
| KR101999015B1 (ko) | 2017-12-24 | 2019-07-10 | 주식회사 포스코 | 취성균열 전파 저항성이 우수한 구조용 강재 및 그 제조방법 |
| KR102200224B1 (ko) * | 2018-12-19 | 2021-01-08 | 주식회사 포스코 | 취성파괴 저항성이 우수한 구조용 강재 및 그 제조방법 |
| JP6690787B1 (ja) * | 2019-03-29 | 2020-04-28 | Ｊｆｅスチール株式会社 | 電縫鋼管およびその製造方法、並びに鋼管杭 |
| KR102691589B1 (ko) * | 2019-11-27 | 2024-08-05 | 제이에프이 스틸 가부시키가이샤 | 강판 및 그 제조 방법 |
| WO2021123877A1 (en) * | 2019-12-17 | 2021-06-24 | Arcelormittal | Hot rolled steel sheet and method of manufacturing thereof |
| WO2021125386A1 (ko) | 2019-12-18 | 2021-06-24 | 주식회사 포스코 | 타발성 및 재질 균일성이 우수한 고강도 열연강판 및 그 제조방법 |
| KR102391651B1 (ko) | 2020-09-22 | 2022-04-29 | 주식회사 포스코 | 충돌성능이 우수한 열연강판 및 그 제조방법 |
| CN117120647A (zh) * | 2021-06-22 | 2023-11-24 | 日本制铁株式会社 | 热轧钢板及其制造方法 |
| CN114107612B (zh) * | 2021-11-30 | 2023-04-18 | 马鞍山钢铁股份有限公司 | H型钢回火热处理设计方法、抗震耐火建筑结构用热轧h型钢及其回火热处理方法 |
| WO2023162522A1 (ja) * | 2022-02-24 | 2023-08-31 | Ｊｆｅスチール株式会社 | 鋼板およびその製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010196160A (ja) | 2009-01-30 | 2010-09-09 | Jfe Steel Corp | 耐ｈｉｃ性に優れた厚肉高張力熱延鋼板及びその製造方法 |
| JP2012172256A (ja) | 2011-02-24 | 2012-09-10 | Jfe Steel Corp | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2510187B2 (ja) | 1987-03-17 | 1996-06-26 | 川崎製鉄株式会社 | 低温靭性に優れた低降伏比高張力ラインパイプ用熱延鋼板の製造方法 |
| DE19612818C2 (de) * | 1996-03-30 | 1998-04-09 | Schloemann Siemag Ag | Verfahren zur Kühlung walzwarmer Stahlprofile |
| JPH10176239A (ja) | 1996-10-17 | 1998-06-30 | Kobe Steel Ltd | 高強度低降伏比パイプ用熱延鋼板及びその製造方法 |
| JP5011773B2 (ja) | 2005-03-24 | 2012-08-29 | Ｊｆｅスチール株式会社 | 低温靭性に優れた低降伏比電縫鋼管の製造方法 |
| JP5223379B2 (ja) * | 2007-03-08 | 2013-06-26 | 新日鐵住金株式会社 | 低温靭性に優れるスパイラルパイプ用高強度熱延鋼板およびその製造方法 |
| KR101257547B1 (ko) * | 2007-07-23 | 2013-04-23 | 신닛테츠스미킨 카부시키카이샤 | 변형 특성이 우수한 강관 및 그 제조 방법 |
| GB0719457D0 (en) * | 2007-10-04 | 2007-11-14 | Skf Ab | Heat-treatment process for a steel |
| JP5162382B2 (ja) | 2008-09-03 | 2013-03-13 | 株式会社神戸製鋼所 | 低降伏比高靭性厚鋼板 |
| WO2010087511A1 (ja) * | 2009-01-30 | 2010-08-05 | Ｊｆｅスチール株式会社 | 低温靭性に優れた厚肉高張力熱延鋼板およびその製造方法 |
| EP2392681B1 (en) * | 2009-01-30 | 2019-03-13 | JFE Steel Corporation | Heavy gauge, high tensile strength, hot rolled steel sheet with excellent hic resistance and manufacturing method therefor |
| JP6006477B2 (ja) * | 2011-06-24 | 2016-10-12 | 株式会社神戸製鋼所 | 低温靭性と強度のバランスに優れた高強度鋼板の製造方法、及びその制御方法 |
-
2013
- 2013-09-11 IN IN772DEN2015 patent/IN2015DN00772A/en unknown
- 2013-09-11 US US14/428,217 patent/US20150232970A1/en not_active Abandoned
- 2013-09-11 CN CN201380047480.0A patent/CN104619876B/zh active Active
- 2013-09-11 KR KR1020157007700A patent/KR101702794B1/ko active Active
- 2013-09-11 EP EP13837646.2A patent/EP2871254B1/en active Active
- 2013-09-11 WO PCT/JP2013/005388 patent/WO2014041802A1/ja active Application Filing
- 2013-09-11 JP JP2014510588A patent/JP5605527B2/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010196160A (ja) | 2009-01-30 | 2010-09-09 | Jfe Steel Corp | 耐ｈｉｃ性に優れた厚肉高張力熱延鋼板及びその製造方法 |
| JP2012172256A (ja) | 2011-02-24 | 2012-09-10 | Jfe Steel Corp | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5605527B2 (ja) | 2014-10-15 |
| EP2871254B1 (en) | 2020-06-24 |
| KR20150038747A (ko) | 2015-04-08 |
| CN104619876A (zh) | 2015-05-13 |
| WO2014041802A1 (ja) | 2014-03-20 |
| BR112015005419A2 (pt) | 2017-07-04 |
| IN2015DN00772A (enrdf_load_stackoverflow) | 2015-07-03 |
| CN104619876B (zh) | 2016-12-21 |
| JPWO2014041802A1 (ja) | 2016-08-12 |
| US20150232970A1 (en) | 2015-08-20 |
| EP2871254A1 (en) | 2015-05-13 |
| EP2871254A4 (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101702794B1 (ko) | 열연 강판 및 그 제조 방법 | |
| KR101702793B1 (ko) | 열연 강판 및 그 제조 방법 | |
| JP5776398B2 (ja) | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 | |
| KR101638707B1 (ko) | 저온 인성이 우수한 저항복비 고강도 열연 강판 및 그 제조 방법 | |
| KR101333854B1 (ko) | 저온 인성이 우수한 후육 고장력 열연 강판 및 그 제조 방법 | |
| JP5679114B2 (ja) | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 | |
| KR102379935B1 (ko) | 강관 및 강판 | |
| KR101306418B1 (ko) | 저온 인성이 우수한 후육 고장력 열연 강판 및 그 제조 방법 | |
| JP5609383B2 (ja) | 低温靭性に優れた高強度熱延鋼板およびその製造方法 | |
| JP6477570B2 (ja) | 熱延鋼板およびその製造方法 | |
| JP6135577B2 (ja) | 高強度熱延鋼板およびその製造方法 | |
| JP6519024B2 (ja) | 低温靭性に優れた低降伏比高強度熱延鋼板の製造方法 | |
| JP7115628B2 (ja) | 熱延鋼板及びその製造方法 | |
| KR20190007463A (ko) | 후육 고강도 라인 파이프용 열연 강판, 그리고, 후육 고강도 라인 파이프용 용접 강관 및 그 제조 방법 | |
| KR20150088320A (ko) | 인장 강도 540 ㎫ 이상의 고강도 라인 파이프용 열연 강판 | |
| JP2015190026A (ja) | ラインパイプ用厚肉高強度電縫鋼管およびその製造方法 | |
| JP6384637B1 (ja) | コイルドチュービング用電縫鋼管およびその製造方法 | |
| JP6179604B2 (ja) | 電気抵抗溶接鋼管用鋼帯および電気抵抗溶接鋼管ならびに電気抵抗溶接鋼管用鋼帯の製造方法 | |
| JP6565890B2 (ja) | 低温靭性に優れた低降伏比高強度熱延鋼板の製造方法 | |
| CN110234777A (zh) | 连续管用热轧钢板 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0105 | International application |
Patent event date: 20150326 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20160627 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20161118 |
|
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20170126 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20170126 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| PR1001 | Payment of annual fee |
Payment date: 20200117 Start annual number: 4 End annual number: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20210118 Start annual number: 5 End annual number: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 20220104 Start annual number: 6 End annual number: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20230105 Start annual number: 7 End annual number: 7 |