KR102348549B1 - 가공성이 우수한 강재 및 그 제조방법 - Google Patents
가공성이 우수한 강재 및 그 제조방법 Download PDFInfo
- Publication number
- KR102348549B1 KR102348549B1 KR1020190171860A KR20190171860A KR102348549B1 KR 102348549 B1 KR102348549 B1 KR 102348549B1 KR 1020190171860 A KR1020190171860 A KR 1020190171860A KR 20190171860 A KR20190171860 A KR 20190171860A KR 102348549 B1 KR102348549 B1 KR 102348549B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel
- carbide
- less
- excellent workability
- present
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 98
- 239000010959 steel Substances 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000000463 material Substances 0.000 claims abstract description 38
- 150000001247 metal acetylides Chemical class 0.000 claims abstract description 20
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 19
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 12
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 11
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 21
- 238000000137 annealing Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000005097 cold rolling Methods 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 238000005098 hot rolling Methods 0.000 claims description 11
- 238000003303 reheating Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000011572 manganese Substances 0.000 description 28
- 239000011651 chromium Substances 0.000 description 24
- 239000000203 mixture Substances 0.000 description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 11
- 239000000956 alloy Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 229910001567 cementite Inorganic materials 0.000 description 6
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910000677 High-carbon steel Inorganic materials 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000010273 cold forging Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
-
- 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
-
- 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
- C21D8/0221—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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
-
- 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
-
- 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
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190171860A KR102348549B1 (ko) | 2019-12-20 | 2019-12-20 | 가공성이 우수한 강재 및 그 제조방법 |
| PCT/KR2020/018395 WO2021125765A1 (ko) | 2019-12-20 | 2020-12-16 | 가공성이 우수한 강재 및 그 제조방법 |
| JP2022536689A JP2023507727A (ja) | 2019-12-20 | 2020-12-16 | 加工性に優れた鋼材及びその製造方法 |
| CN202080088916.0A CN114846169B (zh) | 2019-12-20 | 2020-12-16 | 加工性优异的钢材及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190171860A KR102348549B1 (ko) | 2019-12-20 | 2019-12-20 | 가공성이 우수한 강재 및 그 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20210079748A KR20210079748A (ko) | 2021-06-30 |
| KR102348549B1 true KR102348549B1 (ko) | 2022-01-06 |
Family
ID=76477984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020190171860A KR102348549B1 (ko) | 2019-12-20 | 2019-12-20 | 가공성이 우수한 강재 및 그 제조방법 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2023507727A (zh) |
| KR (1) | KR102348549B1 (zh) |
| CN (1) | CN114846169B (zh) |
| WO (1) | WO2021125765A1 (zh) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003147485A (ja) * | 2001-11-14 | 2003-05-21 | Nisshin Steel Co Ltd | 加工性に優れた高靭性高炭素鋼板およびその製造方法 |
| JP2006063384A (ja) | 2004-08-26 | 2006-03-09 | Nisshin Steel Co Ltd | 衝撃特性に優れた高炭素鋼部材及びその製造方法 |
| JP2009215612A (ja) | 2008-03-11 | 2009-09-24 | Nisshin Steel Co Ltd | 加工性に優れた中・高炭素鋼板およびその製造方法 |
| JP2016222990A (ja) | 2015-06-02 | 2016-12-28 | 新日鐵住金株式会社 | 高炭素鋼板及びその製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717968B2 (ja) * | 1988-10-06 | 1995-03-01 | 住友金属工業株式会社 | 成形性の良好な高炭素薄鋼板の製造方法 |
| JP4465057B2 (ja) * | 1999-03-16 | 2010-05-19 | 日新製鋼株式会社 | 精密打抜き用高炭素鋼板 |
| JP4632931B2 (ja) * | 2005-11-09 | 2011-02-16 | 山陽特殊製鋼株式会社 | 冷間加工性に優れる高周波焼入れ用鋼及びその製造方法 |
| US20090173415A1 (en) * | 2006-01-31 | 2009-07-09 | Jfe Steel Corporation | Steel Sheet Excellent In Fine Blanking Performance and Manufacturing Method of the Same |
| KR101639846B1 (ko) | 2013-12-25 | 2016-07-22 | 주식회사 포스코 | 우수한 성형성을 갖는 고탄소강판의 제조를 위한 구상화 열처리 방법 및 이에 의해 제조된 고탄소강판 |
| JP2016063384A (ja) * | 2014-09-18 | 2016-04-25 | カシオ計算機株式会社 | コンテンツ出力装置、コンテンツ出力制御方法、及びプログラム |
-
2019
- 2019-12-20 KR KR1020190171860A patent/KR102348549B1/ko active IP Right Grant
-
2020
- 2020-12-16 WO PCT/KR2020/018395 patent/WO2021125765A1/ko active Application Filing
- 2020-12-16 CN CN202080088916.0A patent/CN114846169B/zh active Active
- 2020-12-16 JP JP2022536689A patent/JP2023507727A/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003147485A (ja) * | 2001-11-14 | 2003-05-21 | Nisshin Steel Co Ltd | 加工性に優れた高靭性高炭素鋼板およびその製造方法 |
| JP2006063384A (ja) | 2004-08-26 | 2006-03-09 | Nisshin Steel Co Ltd | 衝撃特性に優れた高炭素鋼部材及びその製造方法 |
| JP2009215612A (ja) | 2008-03-11 | 2009-09-24 | Nisshin Steel Co Ltd | 加工性に優れた中・高炭素鋼板およびその製造方法 |
| JP2016222990A (ja) | 2015-06-02 | 2016-12-28 | 新日鐵住金株式会社 | 高炭素鋼板及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114846169B (zh) | 2023-12-22 |
| WO2021125765A1 (ko) | 2021-06-24 |
| CN114846169A (zh) | 2022-08-02 |
| KR20210079748A (ko) | 2021-06-30 |
| JP2023507727A (ja) | 2023-02-27 |
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