KR940007207A - 고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판 - Google Patents
고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판 Download PDFInfo
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- KR940007207A KR940007207A KR1019930019435A KR930019435A KR940007207A KR 940007207 A KR940007207 A KR 940007207A KR 1019930019435 A KR1019930019435 A KR 1019930019435A KR 930019435 A KR930019435 A KR 930019435A KR 940007207 A KR940007207 A KR 940007207A
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/34—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in more than one step
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0457—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0436—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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—Final recrystallisation annealing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
본 발명은 고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판에 관한 것으로, 표면으로부터 판두께 방향으로 판두께의 5%에 상당하는 위치까지 적어도 한쪽의 강판표면층부가, C+N+B=0.007∼1.0 중량%의 조성을 갖고, 동일하게 표면으로부터 판두께 방향으로 판두께의 3%에 상당하는 위치에서 판면의 수직방향의 극밀도비가[ {321}+{211} ]/{100}≥1.2이며, 판두께 방향의 양 표층부의 각 30%를 제외한 중심부(40%)는 C+N+B=0.010 중량%미만의 조성을 갖는 것을 특징으로 한다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 내강성 및 심인발성에 미치는 표층부 C+B+B량 및 극밀도비[ {321}+{211} ]/{100}의 영향을 나타낸 그래프이고,
제2도는 판두께방향 표면으로부터 3%위치에서의 극밀도비[ {321}+{211} ]/{100}와 내강성) 및 심인발성(바-r치)의 관계를 나타낸 그래프이다.
Claims (5)
- 표면으로부터 판두께 방향으로 판두께의 5%에 상당하는 위치까지 적어도 한쪽의 강판표면층부가, C+N+B=0.007∼1.0 중량%의 조성을 갖고, 동일하게 표면으로부터 판두께 방향으로 판두께의 3%에 상당하는 위치에서 판면의 수직방향의 극밀도비가[ {321}+{211} ]/{100}≥1.2이며, 판두께 방향의 앞 표층부의 각 30%를 제외한 중심부(40%)는 C+N+B=0.010 중량%미만의 조성을 갖는 것을 특징으로 하는 고내강성 및 우수한 프레스 가공성을 구비한 프레스가공용 얇은 강판.
- 제1항에 있어서, 표면으로부터 판두께방향으로 판두께 5%에 달하는 위치에서 C+N+B=0.010∼0.9중량%이고, 또 판두께의 3%위치에서 극밀도비가[ {321}+{211} ]/{100}≥1.5인 것을 특징으로 하는 고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판.
- 제1항 또는 제2항에 있어서, 전체 판두께의 평균성분조성이C : 1.0중량% 이하 Si : 2.0중량% 이하Mn : 3.0중량% 이하 P : 0.3중량% 이하및 S : 0.1중량% 이하를 함유하고, 또한Cr : 0.01∼2.0중량%, Ni : 0.01∼2.0중량%,Mo : 0.01∼2.0중량%, V : 0.002∼0.2중량%,Ti : 0.002∼0.2중량%, Nb : 0.002∼0.2중량%,Cu : 0.01∼2.0중량%, Zr : 0.002∼0.2중량%,Sb : 0.001∼0.1중량%, Se : 0.001∼0.1중량%,Ca : 0.001∼0.1중량%, 또는 A1 : 0.001∼0.2중량%,중 한가지종류 또는 두가지종류 이상을 함유하고, 나머지는 Fe 및 불가피한 불순물인 것을 특징으로 하는 고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판.
- C+N+B: 0.010중량%미만 Si: 2.0중량% 이하, &Mn: 3.0중량% 이하, & P: 0.3중량% 이하, 및 S: 0.1중량% 이하를 함유하고, 또한Cr : 0.01∼2.0중량%, Ni : 0.01∼2.0중량%,Mo : 0.01∼2.0중량%, Nb : 0.002∼0.2중량%,Cu : 0.01∼2.0중량%, Zr : 0.002∼0.2중량%,Sb : 0.001∼0.1중량%, Se : 0.001∼0.1중량%,Ca : 0.001∼0.1중량%, 또는 A1 : 0.001∼0.2중량%중 한가지종류 또는 두가지종류 이상을 함유하고, 나머지가 Fe 및 불가피한 불순물인 성분조성을 갖는 강조각을 Ar2±70℃의 온도범위에서 합계 압하율 50%이상, 마찰계수 0.25 이하로 열간압연을 행한후, 표면으로 부터 판두께 방향으로 판두께의 5%에 달하는 위치까지 적어도 한쪽의 강판표층부에서 C+N+B=0.007∼1.0중량%의 조성을 갖는 것과 같이, 침탄소, 침질소 및 침붕소 처리를 하는 것을 특징으로 하는 고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판을 제조하는 방법.
- 제4항에 있어서, 열간압연후, 계속해서 최종압연퍼스의 압하율을 7%이상, 마찰계수 0.12 이하로 냉간압연하고 재결정소둔후, 계속 또는 그후에 침탄소, 침질소 및 침붕소처리를 하는 것을 특징으로 하는 고내강성 및 우수한 프레스가공성을 구비한 프레스가공용 얇은 강판을 제조하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP92-251239 | 1992-09-21 | ||
JP25123992A JP3296599B2 (ja) | 1992-09-21 | 1992-09-21 | 高い張り剛性を有すると共にプレス成形性にも優れるプレス加工用薄鋼板 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940007207A true KR940007207A (ko) | 1994-04-26 |
KR960011798B1 KR960011798B1 (ko) | 1996-08-30 |
Family
ID=17219798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930019435A KR960011798B1 (ko) | 1992-09-21 | 1993-09-21 | 고강성 및 우수한 프레스 가공성을 구비한 프레스 가공용 얇은 강판 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5372654A (ko) |
EP (1) | EP0589415B1 (ko) |
JP (1) | JP3296599B2 (ko) |
KR (1) | KR960011798B1 (ko) |
DE (1) | DE69323256T2 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5810948A (en) * | 1995-07-12 | 1998-09-22 | Nippon Steel Corporation | Nitriding steel excellent in formability and susceptibility to nitriding and press formed article thereof |
BE1011178A3 (fr) * | 1997-05-27 | 1999-06-01 | Metallurigiques Ct Voor Resear | Procede de fabrication en continu d'une bande en acier pour emboutissage presentant des proprietes de surface ameliorees. |
JP2001073079A (ja) * | 1999-07-05 | 2001-03-21 | Kawasaki Steel Corp | 深絞り用極低炭素薄鋼板および亜鉛系めっきを施した深絞り用極低炭素薄鋼板 |
CA2282771A1 (en) | 1999-09-17 | 2001-03-17 | Dale William Mackenzie | Method and apparatus for boronizing a metal workpiece |
KR100931140B1 (ko) * | 2006-10-31 | 2009-12-10 | 현대자동차주식회사 | 성형성이 우수한 고장력 강판 및 그 제조 방법 |
JP4946617B2 (ja) * | 2007-05-14 | 2012-06-06 | Jfeスチール株式会社 | 軟窒化処理用鋼板およびその製造方法 |
DE102010017354A1 (de) * | 2010-06-14 | 2011-12-15 | Thyssenkrupp Steel Europe Ag | Verfahren zum Herstellen eines warmgeformten und gehärteten, mit einer metallischen Korrosionsschutzbeschichtung überzogenen Stahlbauteils aus einem Stahlflachprodukt |
JP5668767B2 (ja) * | 2013-02-22 | 2015-02-12 | Jfeスチール株式会社 | 無方向性電磁鋼板製造用の熱延鋼板およびその製造方法 |
JP6068291B2 (ja) * | 2013-08-07 | 2017-01-25 | 株式会社神戸製鋼所 | 軟質高炭素鋼板 |
CN105745349B (zh) * | 2013-12-12 | 2017-08-29 | 杰富意钢铁株式会社 | 耐醇致点蚀性及耐醇致scc性优异的钢材 |
CN106086685B (zh) * | 2016-08-24 | 2018-01-12 | 武汉钢铁有限公司 | 用薄板坯直接轧制的抗拉强度≥1500MPa薄热成形钢及生产方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4930620A (ko) * | 1972-07-21 | 1974-03-19 | ||
JPS55119164A (en) * | 1979-03-09 | 1980-09-12 | Chobe Taguchi | Method for surface treatment of metal material |
JPS5839736A (ja) * | 1981-09-01 | 1983-03-08 | Kobe Steel Ltd | 複合組織型高張力冷延鋼板の製造方法 |
JPS6045689B2 (ja) * | 1982-02-19 | 1985-10-11 | 川崎製鉄株式会社 | プレス成形性にすぐれた冷延鋼板の製造方法 |
JPS5974259A (ja) * | 1982-10-19 | 1984-04-26 | Nippon Steel Corp | 加工性およびリン酸塩処理性に優れた冷延鋼板 |
DE3322957C2 (de) * | 1983-06-25 | 1985-05-15 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Verfahren zum Härten der Oberfläche von Gegenständen aus Eisenwerkstoff |
US4495006A (en) * | 1983-10-31 | 1985-01-22 | Dresser Industries, Inc. | Borocarburizing ferrous substrates |
JPS60149729A (ja) * | 1984-01-11 | 1985-08-07 | Kawasaki Steel Corp | プレス成形用冷延鋼板の製造方法 |
JPH07110972B2 (ja) * | 1987-10-05 | 1995-11-29 | 株式会社神戸製鋼所 | 高r値高張力冷延鋼板の製造方法 |
JPH0356644A (ja) * | 1989-07-26 | 1991-03-12 | Nippon Steel Corp | プレス成形時の耐バリ性の優れた複合鋼板およびその製造方法 |
JPH0832952B2 (ja) * | 1989-12-28 | 1996-03-29 | 川崎製鉄株式会社 | 化成処理性,溶接性,打ち抜き性および摺動性の極めて優れたプレス加工用冷延鋼板の製造方法 |
JPH03253543A (ja) * | 1990-03-02 | 1991-11-12 | Kobe Steel Ltd | 耐2次加工脆性又は焼付け硬化性に優れた深絞り用冷延鋼板又は溶融亜鉛メッキ冷延鋼板 |
-
1992
- 1992-09-21 JP JP25123992A patent/JP3296599B2/ja not_active Expired - Fee Related
-
1993
- 1993-09-17 US US08/122,357 patent/US5372654A/en not_active Expired - Fee Related
- 1993-09-21 KR KR1019930019435A patent/KR960011798B1/ko not_active IP Right Cessation
- 1993-09-21 EP EP93115192A patent/EP0589415B1/en not_active Expired - Lifetime
- 1993-09-21 DE DE69323256T patent/DE69323256T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06100979A (ja) | 1994-04-12 |
DE69323256T2 (de) | 1999-06-02 |
DE69323256D1 (de) | 1999-03-11 |
EP0589415B1 (en) | 1999-01-27 |
KR960011798B1 (ko) | 1996-08-30 |
EP0589415A1 (en) | 1994-03-30 |
JP3296599B2 (ja) | 2002-07-02 |
US5372654A (en) | 1994-12-13 |
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