KR20010047965A - 2상 스테인레스 후강판의 압연방법 - Google Patents
2상 스테인레스 후강판의 압연방법 Download PDFInfo
- Publication number
- KR20010047965A KR20010047965A KR1019990052408A KR19990052408A KR20010047965A KR 20010047965 A KR20010047965 A KR 20010047965A KR 1019990052408 A KR1019990052408 A KR 1019990052408A KR 19990052408 A KR19990052408 A KR 19990052408A KR 20010047965 A KR20010047965 A KR 20010047965A
- Authority
- KR
- South Korea
- Prior art keywords
- rolling
- stainless steel
- phase stainless
- phase
- less
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 118
- 239000010935 stainless steel Substances 0.000 title claims abstract description 30
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000009977 dual effect Effects 0.000 title 1
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 230000001186 cumulative effect Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000007670 refining Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 229910001566 austenite Inorganic materials 0.000 description 18
- 229910000859 α-Fe Inorganic materials 0.000 description 11
- 238000005336 cracking Methods 0.000 description 8
- 238000005098 hot rolling Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 229910001208 Crucible steel Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011651 chromium Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005501 phase interface Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/16—Two-phase or mixed-phase 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (3)
- 2상 스테인레스강 슬라브를 10이하의 압연량과 3sec-1이하의 변형속도로 첫패스 압연한 다음, 누적압하량의 65까지 압연변형속도를 5sec-1이하로 하여 폭내기압연과 길이내기 압연하는 것을 포함하여 이루어지는 2상 스테인레스 후강판의 압연방법.
- 제 1항에 있어서, 상기 길이내기 압연은 길이내기 누적압하량의 25까지 압연변형속도를 5sec-1이하로 하는 것을 특징으로 하는 2상 스테인레스 후강판의 압연방법.
- 제1항에 있어서, 상기 2상스테인레스강 성분중 S의 함량이 15ppm이상이고, P의 함량이 200ppm이상의 경우에는 상기 압연전에 탈스케일공정을 생략하고, 압연롤의 냉각수유량은 3500ℓ/min이하로 함을 특징으로 하는 2상스테인레스 후강판의 압연방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0052408A KR100419654B1 (ko) | 1999-11-24 | 1999-11-24 | 2상 스테인레스 후강판의 압연방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0052408A KR100419654B1 (ko) | 1999-11-24 | 1999-11-24 | 2상 스테인레스 후강판의 압연방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010047965A true KR20010047965A (ko) | 2001-06-15 |
KR100419654B1 KR100419654B1 (ko) | 2004-02-25 |
Family
ID=19621576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0052408A KR100419654B1 (ko) | 1999-11-24 | 1999-11-24 | 2상 스테인레스 후강판의 압연방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100419654B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101239560B1 (ko) * | 2010-12-28 | 2013-03-05 | 주식회사 포스코 | 표면품질이 우수한 듀플렉스 스테인리스강 및 이의 제조방법 |
KR101239517B1 (ko) * | 2010-12-28 | 2013-03-05 | 주식회사 포스코 | 표면품질이 우수한 듀플렉스 스테인리스강 및 이의 제조방법 |
CN113996657A (zh) * | 2021-10-18 | 2022-02-01 | 山西太钢不锈钢股份有限公司 | 一种防止低铬铁素体不锈钢边裂的热轧制工艺 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100961353B1 (ko) | 2003-08-28 | 2010-06-04 | 주식회사 포스코 | 이폭 후강판의 제조방법 |
KR101356946B1 (ko) * | 2012-03-27 | 2014-01-29 | 주식회사 포스코 | 듀플렉스 스테인리스강의 제조방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179714A (ja) * | 1983-03-30 | 1984-10-12 | Sumitomo Metal Ind Ltd | 2相ステンレス鋼の熱間加工方法 |
JPH03215625A (ja) * | 1990-01-18 | 1991-09-20 | Sumitomo Metal Ind Ltd | 超塑性二相ステンレス鋼の製造方法及びその熱間加工方法 |
KR100361617B1 (ko) * | 1998-12-30 | 2003-02-20 | 주식회사 포스코 | 오스테나이트-페라이트 2 상 스테인레스강의 열간압연방법 |
-
1999
- 1999-11-24 KR KR10-1999-0052408A patent/KR100419654B1/ko not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101239560B1 (ko) * | 2010-12-28 | 2013-03-05 | 주식회사 포스코 | 표면품질이 우수한 듀플렉스 스테인리스강 및 이의 제조방법 |
KR101239517B1 (ko) * | 2010-12-28 | 2013-03-05 | 주식회사 포스코 | 표면품질이 우수한 듀플렉스 스테인리스강 및 이의 제조방법 |
CN113996657A (zh) * | 2021-10-18 | 2022-02-01 | 山西太钢不锈钢股份有限公司 | 一种防止低铬铁素体不锈钢边裂的热轧制工艺 |
CN113996657B (zh) * | 2021-10-18 | 2023-10-24 | 山西太钢不锈钢股份有限公司 | 一种防止低铬铁素体不锈钢边裂的热轧制工艺 |
Also Published As
Publication number | Publication date |
---|---|
KR100419654B1 (ko) | 2004-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100500792B1 (ko) | 내리징성 및 성형성이 우수한 페라이트계 스테인리스강판및 그 제조방법 | |
JP5531109B2 (ja) | 双ロール式薄板鋳造工程により製造されたマルテンサイト系ステンレス鋼及びその製造方法 | |
CN109097704B (zh) | 一种生产免退火含钒耐热钢热轧盘条的方法 | |
JP5349015B2 (ja) | Ni節約型オーステナイト系ステンレス熱延鋼板の製造方法並びにスラブおよび熱延鋼板 | |
KR100500791B1 (ko) | 신장성, 가공성 및 내리징성이 우수한 페라이트계Cr함유강판 및 그 제조방법. | |
JP2013514890A (ja) | マルテンサイト系ステンレス鋼およびその製造方法 | |
JP2000271603A (ja) | 極薄帯板の熱間圧延方法および圧延装置 | |
JP2007211313A (ja) | 耐リジング性に優れたフェライト系ステンレス鋼とその製造方法 | |
KR100419654B1 (ko) | 2상 스테인레스 후강판의 압연방법 | |
CN109550793A (zh) | 一种减少中高铬超纯铁素体不锈钢热轧粘辊缺陷的方法 | |
AU2010215076B2 (en) | A hot rolled thin cast strip product and method for making the same | |
KR101223107B1 (ko) | 마르텐사이트계 스테인리스 열연박판 제조장치 및 마르텐사이트계 스테인리스 열연박판의 제조방법 | |
JPS62199721A (ja) | 加工性の良好なフエライト系ステンレス鋼の鋼板または鋼帯の製造法 | |
WO1979000100A1 (en) | A process for the production of sheet and strip from ferritic,stabilised,stainless chromium-molybdenum-nickel steels | |
JP3215573B2 (ja) | 含ニッケル鋼の連続鋳造方法 | |
WO1991010517A1 (en) | METHOD OF MANUFACTURING Cr-Ni STAINLESS STEEL SHEET EXCELLENT IN SURFACE QUALITY AND MATERIAL THEREOF | |
JPH0615692B2 (ja) | オ−ステナイト系ステンレス厚鋼板の製造方法 | |
US9174272B2 (en) | Twin roll strip casting method | |
JP3917320B2 (ja) | 耐リジング性に優れたフェライト系ステンレス鋼板の製造方法 | |
JPH0348250B2 (ko) | ||
JPH10130734A (ja) | ロール成形用オーステナイト系ステンレス鋼板の製造方法 | |
JP3271787B2 (ja) | ステンレス鋼の製造方法 | |
KR19980050643A (ko) | 고합금 오스테나이트계 내열 스테인레스강의 열간압연방법 | |
JP2004223536A (ja) | ローピング性に優れたフェライト系ステンレス鋼板の製造方法 | |
JPH0815640B2 (ja) | オーステナイト系ステンレス鋼帯の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130206 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20140207 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20150210 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20160211 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20170209 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20180212 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |