KR100450611B1 - 표면품질이 우수한 마르텐사이트계 스테인레스강의 연주주편제조방법 - Google Patents
표면품질이 우수한 마르텐사이트계 스테인레스강의 연주주편제조방법 Download PDFInfo
- Publication number
- KR100450611B1 KR100450611B1 KR10-1999-0031073A KR19990031073A KR100450611B1 KR 100450611 B1 KR100450611 B1 KR 100450611B1 KR 19990031073 A KR19990031073 A KR 19990031073A KR 100450611 B1 KR100450611 B1 KR 100450611B1
- Authority
- KR
- South Korea
- Prior art keywords
- cast
- casting
- stainless steel
- mold
- continuous casting
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910000734 martensite Inorganic materials 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 title abstract description 7
- 239000010935 stainless steel Substances 0.000 title abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 32
- 238000009749 continuous casting Methods 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000007711 solidification Methods 0.000 claims abstract description 23
- 230000008023 solidification Effects 0.000 claims abstract description 23
- 229910001105 martensitic stainless steel Inorganic materials 0.000 claims abstract description 14
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 6
- 230000007547 defect Effects 0.000 abstract description 26
- 229910001208 Crucible steel Inorganic materials 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 239000012071 phase Substances 0.000 description 10
- 230000015271 coagulation Effects 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 7
- 238000005098 hot rolling Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B22D11/165—Controlling or regulating processes or operations for the supply of casting powder
-
- 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
- B22D11/10—Supplying or treating molten metal
- B22D11/108—Feeding additives, powders, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
성분 | Cr | Ni | Si | Mn | P | S | C | N |
함량(wt%) | 13.27 | 0.2 | 0.46 | 0.49 | 0.019 | 0.001 | 0.196 | 0.023 |
몰드 파우더의 염기도 | 주조속도(m/min) | 연주주편 결함 발생정도 | ||
발명예 | A | 1.1 | 0.8 | ○ |
B | 1.3 | 1.2 | ○ | |
비교예 | C | 1.2 | 0.75 | △ |
D | 1.15 | 1.25 | X | |
E | 1.0 | 1.0 | △ | |
F | 1.35 | 0.95 | X | |
G | 1.05 | 1.26 | X |
Claims (1)
- 초정 페라이트로 응고하기 시작하고, 응고과정중 오스테나이트상이 형성되는 마르텐사이트계 스테인레스 합금을 연속주조하여 연주주편으로 제조하는 방법에 있어서,상기 연속주조시, 몰드 파우더는 염기도(CaO/SiO2, CaO와 SiO2의 단위는 중량%)가 1.1~1.3범위인 것을 사용하고, 주조속도는 0.8~1.2(m/min)로 유지하여 조업하는 것을 특징으로 하는 표면품질이 우수한 마르텐사이트계 스테인레스강의 연주주편 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0031073A KR100450611B1 (ko) | 1999-07-29 | 1999-07-29 | 표면품질이 우수한 마르텐사이트계 스테인레스강의 연주주편제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0031073A KR100450611B1 (ko) | 1999-07-29 | 1999-07-29 | 표면품질이 우수한 마르텐사이트계 스테인레스강의 연주주편제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010011611A KR20010011611A (ko) | 2001-02-15 |
KR100450611B1 true KR100450611B1 (ko) | 2004-09-30 |
Family
ID=19605579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0031073A Expired - Fee Related KR100450611B1 (ko) | 1999-07-29 | 1999-07-29 | 표면품질이 우수한 마르텐사이트계 스테인레스강의 연주주편제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100450611B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101501089B1 (ko) * | 2014-08-19 | 2015-03-12 | 주식회사뉴테크 | 플로우 클린 닥터 블레이드 및 그 제조 방법 |
KR101505143B1 (ko) | 2013-04-30 | 2015-03-23 | 현대제철 주식회사 | 코일제조방법 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030045337A (ko) * | 2001-12-03 | 2003-06-11 | 주식회사 포스코 | 스테인레스 강 주편의 제조방법 |
KR100584759B1 (ko) * | 2001-12-26 | 2006-05-30 | 주식회사 포스코 | 면거침이 발생하지 않는 주방용 304j 1강의 연속주조를 이용한 제조방법 |
KR100897145B1 (ko) * | 2002-08-06 | 2009-05-14 | 주식회사 포스코 | 고 알루미늄 함유 스테인레스강의 연속주조방법 |
KR101636677B1 (ko) * | 2014-12-24 | 2016-07-20 | 주식회사 포스코 | 스테인리스강 박판 및 그 제조방법 |
KR101707304B1 (ko) * | 2015-03-26 | 2017-02-15 | 현대제철 주식회사 | 연속주조 공정에서의 슬라브 결함 예측 방법 및 이를 적용하는 슬라브 결함 예측 장치 |
KR101719515B1 (ko) | 2015-07-24 | 2017-03-24 | 주식회사 포스코 | 주조방법 |
KR102288414B1 (ko) | 2019-12-23 | 2021-08-10 | 주식회사 포스코 | 예측 장치 및 주편의 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59220262A (ja) * | 1983-05-31 | 1984-12-11 | Nisshin Steel Co Ltd | マルテンサイト系ステンレス鋼の連続鋳造法 |
JPH02220749A (ja) * | 1989-02-22 | 1990-09-03 | Nisshin Steel Co Ltd | ステンレス鋼の連続鋳造における初期鋳造方法 |
JPH06106302A (ja) * | 1992-09-28 | 1994-04-19 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス鋼の連続鋳造方法 |
JPH0987746A (ja) * | 1995-09-27 | 1997-03-31 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス鋼帯の製造法 |
-
1999
- 1999-07-29 KR KR10-1999-0031073A patent/KR100450611B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59220262A (ja) * | 1983-05-31 | 1984-12-11 | Nisshin Steel Co Ltd | マルテンサイト系ステンレス鋼の連続鋳造法 |
JPH02220749A (ja) * | 1989-02-22 | 1990-09-03 | Nisshin Steel Co Ltd | ステンレス鋼の連続鋳造における初期鋳造方法 |
JPH06106302A (ja) * | 1992-09-28 | 1994-04-19 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス鋼の連続鋳造方法 |
JPH0987746A (ja) * | 1995-09-27 | 1997-03-31 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス鋼帯の製造法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101505143B1 (ko) | 2013-04-30 | 2015-03-23 | 현대제철 주식회사 | 코일제조방법 |
KR101501089B1 (ko) * | 2014-08-19 | 2015-03-12 | 주식회사뉴테크 | 플로우 클린 닥터 블레이드 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
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KR20010011611A (ko) | 2001-02-15 |
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