KR102452599B1 - 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법 - Google Patents
인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법 Download PDFInfo
- Publication number
- KR102452599B1 KR102452599B1 KR1020207010904A KR20207010904A KR102452599B1 KR 102452599 B1 KR102452599 B1 KR 102452599B1 KR 1020207010904 A KR1020207010904 A KR 1020207010904A KR 20207010904 A KR20207010904 A KR 20207010904A KR 102452599 B1 KR102452599 B1 KR 102452599B1
- Authority
- KR
- South Korea
- Prior art keywords
- line
- hot
- precipitation strengthening
- strengthening effect
- rolling
- 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 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000001556 precipitation Methods 0.000 title claims abstract description 33
- 238000005728 strengthening Methods 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000010792 warming Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 18
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000005098 hot rolling Methods 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 description 32
- 238000010583 slow cooling Methods 0.000 description 10
- 229910001566 austenite Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000012508 change request Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/84—Controlled slow cooling
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/008—Heat shields
-
- 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
-
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
- 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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- 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
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- 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
- 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
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)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
Abstract
Description
실시예 | 스틸롤 두께 (mm) |
Ti 첨가량 (%) |
가열 온도 (℃) |
조압연 온도 (℃) |
다듬질 압연 온도 (℃) |
권취 온도 (℃) |
커버 덮는 시간 (min) | 보온시간 (h) |
1 | 1.5 | 0.086 | 1255 | 1113 | 886 | 603 | 20 | 4 |
2 | 4.5 | 0.090 | 1261 | 1116 | 892 | 583 | 16 | 4 |
3 | 1.5 | 0.072 | 1261 | 1118 | 862 | 612 | 10 | 2 |
4 | 6.0 | 0.077 | 1245 | 1037 | 857 | 591 | 38 | 2 |
5 | 2.0 | 0.060 | 1249 | 1082 | 863 | 607 | 21 | 2 |
6 | 2.8 | 0.034 | 1258 | 1094 | 870 | 586 | 17 | 2 |
비교예 | 스틸롤 두께 (mm) | Ti 첨가량 (%) | 가열온도 (℃) | 조압연 온도 (℃) | 다듬질 압연 온도 (℃) | 권취온도 (℃) |
1 | 1.5 | 0.086 | 1251 | 1117 | 897 | 608 |
2 | 4.5 | 0.090 | 1264 | 1115 | 883 | 582 |
3 | 1.5 | 0.072 | 1260 | 1123 | 861 | 610 |
4 | 6.0 | 0.077 | 1243 | 1042 | 853 | 593 |
5 | 4.0 | 0.060 | 1252 | 1075 | 869 | 601 |
6 | 2.8 | 0.034 | 1261 | 1107 | 874 | 588 |
실시예 | 항복강도 (MPa) | 인장강도 (MPa) | 연신율 (%) |
1 | 792 | 835 | 23 |
2 | 773 | 825 | 22 |
3 | 771 | 813 | 21 |
4 | 636 | 716 | 20 |
5 | 620 | 661 | 26 |
6 | 573 | 672 | 23 |
비교예 | 항복강도 (MPa) | 인장강도 (MPa) | 연신율 (%) |
1 | 761 | 788 | 20 |
2 | 754 | 811 | 22 |
3 | 743 | 787 | 22 |
4 | 604 | 695 | 21 |
5 | 587 | 643 | 26 |
6 | 533 | 641 | 22 |
Claims (9)
- 미세합금원소 Ti 를 첨가한 용강을 주조하여 슬라브를 획득하고, 가열한 후 조압연, 사상압연, 층류냉각과 권취를 거쳐 열간압연롤을 획득하며, 스트리핑 후 인라인에서 보온 커버를 덮어 이송체인을 따라 코일야드로 이동하여 진입시키고, 인라인 보온시간에 도달한 후 보온 커버를 제거하여, 실온으로 공랭시키는 단계를 포함하며; 여기서, 상기 미세합금원소 Ti 의 함량은 ≥ 0.03 wt% 이고; 상기 권취온도는 500 ~ 700℃ 이며, 상기 인라인에서 보온 커버를 덮는 단계는 각각의 열간압연롤이 스트리핑된 후 60 분 내에 독립적이고, 밀폐된 보온 커버 장치를 개별적으로 덮는 것을 말하며, 상기 인라인 보온시간은 ≥ 60 분인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법.
- 제 1 항에 있어서,
상기 미세합금원소 Ti 의 첨가량은 0.03 ~ 0.10 wt% 인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
상기 슬라브의 가열온도는 ≥ 1200℃ 이고, 균일화 가열 시간은 ≥ 60 분인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
상기 슬라브 가열온도는 1200 ~ 1300℃ 이고, 균일화 가열 시간은 1 ~ 2 시간인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
상기 조압연 온도는 1000 ~ 1200℃ 이고, 3 ~ 8 회 왕복식 압연을 진행하되, 누적 변형량은 ≥ 50% 인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
상기 사상압연은 6 ~ 7 회 연결식 압연을 진행하며, 누적 변형량은 ≥ 80% 이고, 다듬질 압연 온도는 800 ~ 900℃ 인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
각각의 열간압연롤이 스트리핑된 후 20 분 내에 보온 커버를 개별적으로 덮는 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
상기 열간압연롤의 보온 커버 내에서의 냉각속도는 ≤ 15℃/시간인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법. - 제 1 항에 있어서,
상기 열간압연롤의 인라인 보온시간은 1 ~ 5 시간인 것을 특징으로 하는 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710853613.3A CN107470377A (zh) | 2017-09-20 | 2017-09-20 | 钢带制造流水线在线保温缓冷装置 |
CN201710853613.3 | 2017-09-20 | ||
CN201810631903.8A CN110616301B (zh) | 2018-06-19 | 2018-06-19 | 在线提高Ti微合金化热轧高强钢析出强化效果的生产方法 |
CN201810631903.8 | 2018-06-19 | ||
PCT/CN2018/106706 WO2019057115A1 (zh) | 2017-09-20 | 2018-09-20 | 在线提高Ti微合金化热轧高强钢析出强化效果的生产方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20200063164A KR20200063164A (ko) | 2020-06-04 |
KR102452599B1 true KR102452599B1 (ko) | 2022-10-07 |
Family
ID=65811075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020207010904A Active KR102452599B1 (ko) | 2017-09-20 | 2018-09-20 | 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11384406B2 (ko) |
EP (1) | EP3686292B1 (ko) |
JP (1) | JP7320513B2 (ko) |
KR (1) | KR102452599B1 (ko) |
WO (1) | WO2019057115A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106702118B (zh) * | 2016-12-23 | 2020-04-21 | 首钢集团有限公司 | 一种降低钛微合金化高强钢加工硬化效果的冷却工艺 |
CN113120516A (zh) * | 2021-03-22 | 2021-07-16 | 广州瑞松智能科技股份有限公司 | 用于刹车制动蹄的输送冷却物流线 |
CN113231485B (zh) * | 2021-05-07 | 2022-01-28 | 西安钢研功能材料股份有限公司 | 一种高膨胀合金无焊缝大卷重带材的制备方法 |
CN114309086B (zh) * | 2022-01-05 | 2024-02-23 | 湖南华菱涟钢特种新材料有限公司 | 一种提高Ti强化冷成型高强钢性能均匀性的制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015175004A (ja) * | 2014-03-13 | 2015-10-05 | Jfeスチール株式会社 | 成形性に優れた高強度鋼板の製造方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976514A (en) | 1975-02-10 | 1976-08-24 | Nippon Steel Corporation | Method for producing a high toughness and high tensil steel |
JPS61159534A (ja) | 1985-01-05 | 1986-07-19 | Nippon Steel Corp | 電縫鋼管用熱延鋼帯の製造方法 |
US4973367A (en) * | 1988-12-28 | 1990-11-27 | Kawasaki Steel Corporation | Method of manufacturing steel sheet having excellent deep-drawability |
US5553475A (en) * | 1992-03-27 | 1996-09-10 | Kawasaki Steel Corporation | Method for detecting setting errors of clearance between rollers in universal rolling mill, and method for rolling H-shaped steel having favorable flange dimensions utilizing same detecting method |
US5803989A (en) * | 1994-06-24 | 1998-09-08 | Nippon Steel Corporation | Process for producing non-oriented electrical steel sheet having high magnetic flux density and low iron loss |
US6264769B1 (en) * | 1999-05-21 | 2001-07-24 | Danieli Technology, Inc. | Coil area for in-line treatment of rolled products |
KR101580749B1 (ko) * | 2011-07-27 | 2015-12-28 | 신닛테츠스미킨 카부시키카이샤 | 신장 플랜지성 및 정밀 펀칭성이 우수한 고강도 냉연 강판과 그 제조 방법 |
KR101598309B1 (ko) * | 2011-07-29 | 2016-02-26 | 신닛테츠스미킨 카부시키카이샤 | 형상 동결성이 우수한 고강도 강판, 고강도 아연 도금 강판 및 그들의 제조 방법 |
CN102363858A (zh) | 2011-11-03 | 2012-02-29 | 首钢总公司 | 一种750MPa~880MPa级车辆用高强钢及其生产方法 |
CN102534141A (zh) | 2012-01-31 | 2012-07-04 | 首钢总公司 | 析出强化高强钢在线感应热处理工艺 |
CN103302255B (zh) * | 2012-03-14 | 2015-10-28 | 宝山钢铁股份有限公司 | 一种薄带连铸700MPa级高强耐大气腐蚀钢制造方法 |
CN102703812B (zh) | 2012-06-27 | 2013-12-25 | 攀枝花钢城集团有限公司 | 钛微合金化500MPa级高强度钢筋及其生产方法 |
CN102965574B (zh) | 2012-12-09 | 2015-03-11 | 新余钢铁集团有限公司 | 一种钛微合金化低屈强比高强度热轧厚钢板及其生产工艺 |
CN203064459U (zh) | 2013-01-15 | 2013-07-17 | 无锡亚中智能装备有限公司 | 车载式硅钢卷恒温装置 |
CN103114257B (zh) | 2013-02-25 | 2015-02-04 | 武汉钢铁(集团)公司 | 具有稳定氧化层免酸洗高强大梁用钢及其制造方法 |
US10202667B2 (en) | 2013-06-27 | 2019-02-12 | Jfe Steel Corporation | High strength hot rolled steel sheet and method for manufacturing the same |
CN104694822B (zh) | 2013-12-06 | 2017-11-17 | 上海梅山钢铁股份有限公司 | 一种屈服强度700MPa级高强度热轧钢板及其制造方法 |
CN104087839B (zh) | 2014-07-18 | 2016-05-25 | 武汉钢铁(集团)公司 | 热轧超薄激光焊接锯片基体用钢及生产方法 |
CN104438326B (zh) | 2014-10-17 | 2017-04-12 | 武汉钢铁(集团)公司 | 薄板坯连铸连轧中高碳钢的轧制工艺 |
KR101967692B1 (ko) * | 2014-12-25 | 2019-04-10 | 제이에프이 스틸 가부시키가이샤 | 심정에 사용되는 컨덕터 케이싱용 고강도 후육 전봉 강관, 그의 제조 방법 및 심정에 사용되는 고강도 후육 컨덕터 케이싱 |
JP6085348B2 (ja) * | 2015-01-09 | 2017-02-22 | 株式会社神戸製鋼所 | 高強度めっき鋼板、並びにその製造方法 |
JP6202012B2 (ja) | 2015-02-03 | 2017-09-27 | Jfeスチール株式会社 | 成形性に優れた高強度鋼板の製造方法 |
CN206447906U (zh) | 2017-01-05 | 2017-08-29 | 鞍钢集团工程技术有限公司 | 一种移动式缓冷间 |
CN107470377A (zh) | 2017-09-20 | 2017-12-15 | 上海贺力液压机电有限公司 | 钢带制造流水线在线保温缓冷装置 |
-
2018
- 2018-09-20 KR KR1020207010904A patent/KR102452599B1/ko active Active
- 2018-09-20 EP EP18858067.4A patent/EP3686292B1/en active Active
- 2018-09-20 WO PCT/CN2018/106706 patent/WO2019057115A1/zh unknown
- 2018-09-20 US US16/648,773 patent/US11384406B2/en active Active
- 2018-09-20 JP JP2020537825A patent/JP7320513B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015175004A (ja) * | 2014-03-13 | 2015-10-05 | Jfeスチール株式会社 | 成形性に優れた高強度鋼板の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3686292A4 (en) | 2020-11-11 |
EP3686292B1 (en) | 2024-11-20 |
WO2019057115A1 (zh) | 2019-03-28 |
US11384406B2 (en) | 2022-07-12 |
US20200232054A1 (en) | 2020-07-23 |
JP7320513B2 (ja) | 2023-08-03 |
KR20200063164A (ko) | 2020-06-04 |
JP2020534439A (ja) | 2020-11-26 |
EP3686292A1 (en) | 2020-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102452599B1 (ko) | 인라인에서 Ti 미세합금화 열간압연 고강도강 석출 강화 효과를 향상시키는 생산방법 | |
CN101713046B (zh) | 纳米析出相强化及控制的超细晶粒马氏体钢的制备方法 | |
EP3702477A1 (en) | Method for producing ultra high strength martensitic cold-rolled steel sheet by means of ultra fast heating process | |
CN104593695B (zh) | 热轧高强低镍铜比厚规格耐候钢及其生产方法 | |
KR20150108396A (ko) | 초고강도 냉간 압연 내후성 강판 및 이의 제조 방법 | |
KR20140117654A (ko) | 700 MPa-급 고강도 내후성 강으로부터 얇은 철강 스트립을 연속 주조에 의해 제조하는 방법 | |
KR20140119169A (ko) | 스트립 주조 550 MPa-급 고강도 대기 내식성 강철 스트립 제조방법 | |
CN102747281B (zh) | 罩式退火if钢的生产方法 | |
CN110093559A (zh) | 基于碳锰协同配分的淬火-回火配分钢板及制备方法 | |
CN107164690A (zh) | 一种基于薄带连铸制备{100}面发达织构无取向硅钢薄带的方法 | |
CN105331890B (zh) | 一种在线淬火生产高韧性5Ni钢中厚板的方法 | |
CN105543693B (zh) | 一种因瓦钢带的深冷轧制方法 | |
CN102605293A (zh) | 低温韧性优异的非调质低裂纹敏感性钢板及其生产方法 | |
CN115491596A (zh) | 一种590MPa增强塑性双相钢及其制备方法 | |
CN109680223A (zh) | 一种易切削高强度复相非调质钢制备方法 | |
KR101113666B1 (ko) | 초고강도 트윕 강판 및 그 제조방법 | |
CN106636899A (zh) | 一种1000MPa级高扩孔型冷轧贝氏体钢的制造方法 | |
CN105543666A (zh) | 一种屈服强度960MPa汽车大梁钢及其生产方法 | |
CN110616301B (zh) | 在线提高Ti微合金化热轧高强钢析出强化效果的生产方法 | |
KR101080727B1 (ko) | 초고강도 트윕 강판 및 그 제조방법 | |
CN108796377B (zh) | 一种高扩孔性能高强钢的制备方法 | |
CN105132815A (zh) | 高强度大尺寸螺栓用冷镦钢及其生产方法 | |
CN105483537B (zh) | 平面各向同性优良屈服强度为180MPa级别的冷轧冲压用钢及其制造方法 | |
KR20200063163A (ko) | 고강도 q&p강 열간압연롤의 연화방법 | |
KR100419046B1 (ko) | 마르텐사이트계 스테인레스 강판의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 20200414 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: 20211229 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: 20220718 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20221004 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20221005 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration |