KR20090032588A - 박판주조기를 이용한 오스테나이트계 스테인레스 강판의제조방법 - Google Patents
박판주조기를 이용한 오스테나이트계 스테인레스 강판의제조방법 Download PDFInfo
- Publication number
- KR20090032588A KR20090032588A KR1020070097954A KR20070097954A KR20090032588A KR 20090032588 A KR20090032588 A KR 20090032588A KR 1020070097954 A KR1020070097954 A KR 1020070097954A KR 20070097954 A KR20070097954 A KR 20070097954A KR 20090032588 A KR20090032588 A KR 20090032588A
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- KR
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- Prior art keywords
- stainless steel
- casting
- strip
- austenitic stainless
- thin plate
- Prior art date
Links
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 34
- 238000000137 annealing Methods 0.000 claims abstract description 17
- 238000005097 cold rolling Methods 0.000 claims abstract description 15
- 238000005554 pickling Methods 0.000 claims abstract description 13
- 230000005499 meniscus Effects 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000009966 trimming Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 32
- 230000009467 reduction Effects 0.000 claims description 16
- 238000005098 hot rolling Methods 0.000 claims description 11
- 230000007547 defect Effects 0.000 claims description 4
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 229910001566 austenite Inorganic materials 0.000 abstract 2
- 239000010935 stainless steel Substances 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 description 29
- 230000008569 process Effects 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- B21B1/46—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 metal immediately subsequent to continuous casting
-
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/002—Stainless steels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/02—Austenitic rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/14—Reduction rate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Cu | Nb | N |
0.053 | 0.33 | 1.06 | 0.026 | 0.005 | 18.18 | 8.17 | 0.15 | 0 | 0.34 | 0.005 | 0.049 |
Claims (4)
- 오스테나이트계 스테인리스 강을 쌍롤식 박판주조기를 이용하여 주편으로 주조하는 단계와,상기 주편을 열간압연기에서 압연하여 박판을 얻는 단계와,상기 박판을 에지부의 결함을 제거하기 위해 에지트리밍 하는 단계와,상기 에지트리밍된 박판을 냉간 압연하는 단계와,상기 냉연 박판을 소둔 산세하는 단계로 구성된 것을 특징으로 하는 박판주조기를 이용한 오스테나이트계 스테인레스 강판의 제조방법.
- 제1항에 있어서, 상기 주편의 주조 단계는 메니스커스 쉴드를 사용하여 주조되며 메니스커스 쉴드 내부의 산소농도는 0.1%이하이고, 주조롤에 의한 응고속도는 100 ℃/sec 이상인 것을 특징으로 하는 박판주조기를 이용한 오스테나이트계 스테인레스 강판의 제조방법.
- 제1항에 있어서, 상기 열간 압연 단계는 압하율이 20~40% 인 것을 특징으로 하는 박판주조기를 이용한 오스테나이트계 스테인리스 강판의 제조방법.
- 제1항에 있어서, 상기 냉간 압연 단계는 압하율이 20~40%인 것을 특징으로 하는 박판주조기를 이용한 오스테나이트계 스테인리스 강판의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097954A KR100899706B1 (ko) | 2007-09-28 | 2007-09-28 | 박판주조기를 이용한 오스테나이트계 스테인레스 강판의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097954A KR100899706B1 (ko) | 2007-09-28 | 2007-09-28 | 박판주조기를 이용한 오스테나이트계 스테인레스 강판의제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090032588A true KR20090032588A (ko) | 2009-04-01 |
KR100899706B1 KR100899706B1 (ko) | 2009-05-28 |
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KR1020070097954A KR100899706B1 (ko) | 2007-09-28 | 2007-09-28 | 박판주조기를 이용한 오스테나이트계 스테인레스 강판의제조방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101230216B1 (ko) * | 2010-12-28 | 2013-02-05 | 주식회사 포스코 | 스테인리스강의 표면 결함 제어방법 및 이를 이용하여 제조된 스테인리스강 |
KR101403175B1 (ko) * | 2012-07-12 | 2014-06-03 | 주식회사 포스코 | 표면품질이 우수한 쌍롤식 박판 주조방법 |
CN104722586A (zh) * | 2013-12-24 | 2015-06-24 | Posco公司 | 采用具有双辊的带材铸造机制造薄马氏体不锈钢板的方法及由其制造的薄马氏体不锈钢板 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101258764B1 (ko) | 2010-12-14 | 2013-04-29 | 주식회사 포스코 | 소입경도가 향상된 마르텐사이트계 스테인리스강 및 그 제조방법 |
KR20150048203A (ko) | 2012-09-27 | 2015-05-06 | 바오샨 아이론 앤 스틸 유한공사 | 트윈-로울러 박판 스트립 주조로울러의 표면 세정방법 및 장치 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS609613A (ja) | 1983-06-30 | 1985-01-18 | Mitsubishi Heavy Ind Ltd | サイドトリミング装置 |
KR0162720B1 (ko) * | 1996-05-20 | 1998-12-15 | 윤대근 | 금속판 사이드 트리밍 방법 및 그 장치 |
KR100862768B1 (ko) * | 2002-08-30 | 2008-10-13 | 주식회사 포스코 | 쌍롤형 박판주조기를 이용한 고강도 및 고인성을 갖는 고망간강의 제조방법 |
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2007
- 2007-09-28 KR KR1020070097954A patent/KR100899706B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101230216B1 (ko) * | 2010-12-28 | 2013-02-05 | 주식회사 포스코 | 스테인리스강의 표면 결함 제어방법 및 이를 이용하여 제조된 스테인리스강 |
KR101403175B1 (ko) * | 2012-07-12 | 2014-06-03 | 주식회사 포스코 | 표면품질이 우수한 쌍롤식 박판 주조방법 |
CN104722586A (zh) * | 2013-12-24 | 2015-06-24 | Posco公司 | 采用具有双辊的带材铸造机制造薄马氏体不锈钢板的方法及由其制造的薄马氏体不锈钢板 |
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Publication number | Publication date |
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KR100899706B1 (ko) | 2009-05-28 |
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