KR100544417B1 - 자기적 성질이 우수한 무방향성 전기강판의 제조방법 - Google Patents
자기적 성질이 우수한 무방향성 전기강판의 제조방법 Download PDFInfo
- Publication number
- KR100544417B1 KR100544417B1 KR1019980055321A KR19980055321A KR100544417B1 KR 100544417 B1 KR100544417 B1 KR 100544417B1 KR 1019980055321 A KR1019980055321 A KR 1019980055321A KR 19980055321 A KR19980055321 A KR 19980055321A KR 100544417 B1 KR100544417 B1 KR 100544417B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- oriented electrical
- electrical steel
- iron loss
- content
- Prior art date
Links
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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1272—Final recrystallisation annealing
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- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—Cold 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
-
- 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
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Abstract
Description
Claims (1)
- 중량%로, C:0.01%이하, Si:0.25-3.5%, Mn:0.1-0.5%, Al:0.1-1.0%, N:0.01%이하, P:0.016-0.3%, 나머지 Fe 및 불가피하게 함유되는 불순물로 이루어지는 규소강 스라브를 열간압연, 열연판소둔, 최종두께까지 1회 또는 2회 냉간압연, 최종연속소둔하는 무방향성 전기강판의 제조방법에 있어서, 상기의 규소강에 Sn을 0.02-0.4%의 범위로 첨가하고 불순물인 S함량을 0.0030%이하로 제한함과 동시에 상기 최종연속소둔을 905-1100℃범위에서 행하는 것을 특징으로 하는 자기적 성질이 우수한 무방향성 전기강판 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980055321A KR100544417B1 (ko) | 1998-12-16 | 1998-12-16 | 자기적 성질이 우수한 무방향성 전기강판의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980055321A KR100544417B1 (ko) | 1998-12-16 | 1998-12-16 | 자기적 성질이 우수한 무방향성 전기강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000039855A KR20000039855A (ko) | 2000-07-05 |
KR100544417B1 true KR100544417B1 (ko) | 2006-04-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980055321A KR100544417B1 (ko) | 1998-12-16 | 1998-12-16 | 자기적 성질이 우수한 무방향성 전기강판의 제조방법 |
Country Status (1)
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KR (1) | KR100544417B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11060170B2 (en) | 2016-12-19 | 2021-07-13 | Posco | Non-oriented electrical steel sheet and manufacturing method therefor |
US11319619B2 (en) | 2016-12-19 | 2022-05-03 | Posco | Non-oriented electrical steel sheet and manufacturing method therefor |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100398389B1 (ko) * | 1998-12-22 | 2003-12-18 | 주식회사 포스코 | 자기적특성이우수한무방향성전기강판의제조방법 |
KR100825560B1 (ko) * | 2001-12-03 | 2008-04-25 | 주식회사 포스코 | 무방향성 전기강판의 제조방법 |
EP2520681B1 (en) * | 2009-12-28 | 2018-10-24 | Posco | Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor |
KR101296128B1 (ko) * | 2010-12-27 | 2013-08-19 | 주식회사 포스코 | 자성이 우수한 무방향성 전기강판 및 그 제조방법 |
KR101296127B1 (ko) * | 2010-12-27 | 2013-08-19 | 주식회사 포스코 | 자성이 우수한 무방향성 전기강판 및 그 제조방법 |
KR101296129B1 (ko) * | 2010-12-27 | 2013-08-19 | 주식회사 포스코 | 자성이 우수한 무방향성 전기강판 및 그 제조방법 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56102520A (en) * | 1980-01-16 | 1981-08-17 | Kawasaki Steel Corp | Manufacture of nonoriented silicon steel sheet very low in iron loss |
US4293336A (en) * | 1979-05-30 | 1981-10-06 | Kawasaki Steel Corporation | Cold rolled non-oriented electrical steel sheet |
JPS63317627A (ja) * | 1987-06-18 | 1988-12-26 | Kawasaki Steel Corp | 鉄損が低くかつ透磁率が高いセミプロセス無方向性電磁鋼板およびその製造方法 |
JPH0261031A (ja) * | 1988-08-26 | 1990-03-01 | Nkk Corp | 磁気特性の優れた無方向性電磁鋼板およびその製造方法 |
KR920012483A (ko) * | 1990-12-31 | 1992-07-27 | 정명식 | 자기이방성이 작은 대형회전기용 무방향성 전기강판의 제조방법 |
JPH05140648A (ja) * | 1991-07-25 | 1993-06-08 | Nippon Steel Corp | 磁束密度が高くかつ鉄損が低い無方向性電磁鋼板の製造方法 |
KR940009349A (ko) * | 1992-10-28 | 1994-05-20 | 정명식 | 자기적 특성이 우수한 무방향성 전기강판의 제조방법 |
JPH06192731A (ja) * | 1992-12-28 | 1994-07-12 | Nippon Steel Corp | 磁束密度が高くかつ鉄損が低い無方向性電磁鋼板の製造方法 |
KR950014328A (ko) * | 1993-11-09 | 1995-06-15 | 조말수 | 고주파 자기특성이 우수한 무방향성 전기강판의 제조방법 |
KR970043177A (ko) * | 1995-12-18 | 1997-07-26 | 김종진 | 철손이 낮은 무방향성 전기강판 및 그 제조방법 |
KR19990039201A (ko) * | 1997-11-11 | 1999-06-05 | 이구택 | 무방향성 전기강판의 제조방법 |
KR19990038342A (ko) * | 1997-11-04 | 1999-06-05 | 이구택 | 자속밀도가 높고 철손이 낮은 무방향성 전기강판 및 그 제조방법 |
-
1998
- 1998-12-16 KR KR1019980055321A patent/KR100544417B1/ko not_active IP Right Cessation
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4293336A (en) * | 1979-05-30 | 1981-10-06 | Kawasaki Steel Corporation | Cold rolled non-oriented electrical steel sheet |
JPS56102520A (en) * | 1980-01-16 | 1981-08-17 | Kawasaki Steel Corp | Manufacture of nonoriented silicon steel sheet very low in iron loss |
JPS63317627A (ja) * | 1987-06-18 | 1988-12-26 | Kawasaki Steel Corp | 鉄損が低くかつ透磁率が高いセミプロセス無方向性電磁鋼板およびその製造方法 |
JPH0261031A (ja) * | 1988-08-26 | 1990-03-01 | Nkk Corp | 磁気特性の優れた無方向性電磁鋼板およびその製造方法 |
KR920012483A (ko) * | 1990-12-31 | 1992-07-27 | 정명식 | 자기이방성이 작은 대형회전기용 무방향성 전기강판의 제조방법 |
JPH05140648A (ja) * | 1991-07-25 | 1993-06-08 | Nippon Steel Corp | 磁束密度が高くかつ鉄損が低い無方向性電磁鋼板の製造方法 |
KR940009349A (ko) * | 1992-10-28 | 1994-05-20 | 정명식 | 자기적 특성이 우수한 무방향성 전기강판의 제조방법 |
JPH06192731A (ja) * | 1992-12-28 | 1994-07-12 | Nippon Steel Corp | 磁束密度が高くかつ鉄損が低い無方向性電磁鋼板の製造方法 |
KR950014328A (ko) * | 1993-11-09 | 1995-06-15 | 조말수 | 고주파 자기특성이 우수한 무방향성 전기강판의 제조방법 |
KR970043177A (ko) * | 1995-12-18 | 1997-07-26 | 김종진 | 철손이 낮은 무방향성 전기강판 및 그 제조방법 |
KR19990038342A (ko) * | 1997-11-04 | 1999-06-05 | 이구택 | 자속밀도가 높고 철손이 낮은 무방향성 전기강판 및 그 제조방법 |
KR19990039201A (ko) * | 1997-11-11 | 1999-06-05 | 이구택 | 무방향성 전기강판의 제조방법 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11060170B2 (en) | 2016-12-19 | 2021-07-13 | Posco | Non-oriented electrical steel sheet and manufacturing method therefor |
US11319619B2 (en) | 2016-12-19 | 2022-05-03 | Posco | Non-oriented electrical steel sheet and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
KR20000039855A (ko) | 2000-07-05 |
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