KR20170105565A - 강판 - Google Patents
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- KR20170105565A KR20170105565A KR1020177022681A KR20177022681A KR20170105565A KR 20170105565 A KR20170105565 A KR 20170105565A KR 1020177022681 A KR1020177022681 A KR 1020177022681A KR 20177022681 A KR20177022681 A KR 20177022681A KR 20170105565 A KR20170105565 A KR 20170105565A
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- 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
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- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
도 2는 스케일의 형태와 스케일 밀착성의 관계를 도시하는 도면이다.
Claims (3)
- 지철과,
상기 지철의 표면의 두께가 10.0㎛ 이하인 스케일과,
상기 지철과 상기 스케일 사이의 서브 스케일
을 갖고,
상기 지철은,
질량%로,
C: 0.05% 내지 0.20%,
Si: 0.01% 내지 1.50%
Mn: 1.50% 내지 2.50%
P: 0.05% 이하,
S: 0.03% 이하,
Al: 0.005% 내지 0.10%,
N: 0.008% 이하,
Cr: 0.30% 내지 1.00%,
Ti: 0.06% 내지 0.20%,
Nb: 0.00% 내지 0.10%,
V: 0.00% 내지 0.20%,
B: 0.0000% 내지 0.0050%,
Cu: 0.00% 내지 0.50%,
Ni: 0.00% 내지 0.50%,
Mo: 0.00% 내지 0.50%,
W: 0.00% 내지 0.50%,
Ca: 0.0000% 내지 0.0050%,
Mg: 0.0000% 내지 0.0050%,
REM: 0.000% 내지 0.010%이며, 또한
잔부: Fe 및 불순물
로 나타내어지는 화학 조성을 갖고,
상기 지철에서는, Ti 함유량(질량%)을 [Ti], N 함유량(질량%)을 [N]으로 했을 때에 하기의 식 1로 나타내어지는 파라미터 Tieff에 대한, 입경이 100㎚ 이상 1㎛ 이하인 탄화물 또는 탄질화물에 포함되는 Ti의 양의 비율이 30% 이하이고,
상기 서브 스케일에 있어서,
Cr 농도의 측정점의 간격을 0.1㎛로 하고, 압연 방향으로 연속하여 배열하는 10측정점을 포함하는 측정 영역을 50 이상 설정하고, 상기 측정 영역마다 Cr 농도의 최댓값 Cmax를 구하고, 50 이상의 상기 측정 영역에서의 상기 최댓값 Cmax의 평균값 Ave를 Cr 농도의 평균값으로 한 경우, 상기 Cr 농도의 평균값이 1.50질량% 내지 5.00질량%이며, 또한
상기 50 이상의 측정 영역에서, 인접하는 2개의 측정 영역 사이에서의, 한쪽의 최댓값 Cmax에 대한 다른 쪽의 최댓값 Cmax의 비가 0.90 이하 또는 1.11 이상인 부분이 1 이상인 것을 특징으로 하는 강판.
Tieff=[Ti]-48/14[N] (식 1) - 제1항에 있어서, 상기 화학 조성에 있어서,
Nb: 0.001% 내지 0.10%,
V: 0.001% 내지 0.20%,
B: 0.0001% 내지 0.0050%,
Cu: 0.01% 내지 0.50%,
Ni: 0.01% 내지 0.50%,
Mo: 0.01% 내지 0.50%, 혹은
W: 0.01% 내지 0.50%,
또는 이들의 임의의 조합이 만족되는 것을 특징으로 하는 강판. - 제1항 또는 제2항에 있어서, 상기 화학 조성에 있어서,
Ca: 0.0005% 내지 0.0050%,
Mg: 0.0005% 내지 0.0050%, 혹은
REM: 0.0005% 내지 0.010%,
또는 이들의 임의의 조합이 만족되는 것을 특징으로 하는 강판.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2015-067699 | 2015-03-27 | ||
| JP2015067699 | 2015-03-27 | ||
| PCT/JP2016/059933 WO2016158861A1 (ja) | 2015-03-27 | 2016-03-28 | 鋼板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170105565A true KR20170105565A (ko) | 2017-09-19 |
| KR101980470B1 KR101980470B1 (ko) | 2019-05-21 |
Family
ID=57006089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177022681A Expired - Fee Related KR101980470B1 (ko) | 2015-03-27 | 2016-03-28 | 강판 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US10435772B2 (ko) |
| EP (1) | EP3276035B1 (ko) |
| JP (1) | JP6406436B2 (ko) |
| KR (1) | KR101980470B1 (ko) |
| CN (1) | CN107250412B (ko) |
| BR (1) | BR112017016442A2 (ko) |
| ES (1) | ES2805288T3 (ko) |
| MX (1) | MX2017010605A (ko) |
| PL (1) | PL3276035T3 (ko) |
| TW (1) | TWI604070B (ko) |
| WO (1) | WO2016158861A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3708689B1 (en) * | 2017-11-08 | 2022-07-13 | Nippon Steel Corporation | Steel sheet |
| WO2020065372A1 (en) | 2018-09-25 | 2020-04-02 | Arcelormittal | High strength hot rolled steel having excellent scale adhesivness and a method of manufacturing the same |
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| JPS5459028A (en) | 1977-10-20 | 1979-05-12 | Seiko Epson Corp | Driving system for liquid crystal display unit |
| JPH0734137A (ja) | 1993-07-19 | 1995-02-03 | Sumitomo Metal Ind Ltd | 表面性状の優れた高成形性熱延鋼板の製造法 |
| JPH07118792A (ja) | 1993-10-21 | 1995-05-09 | Sumitomo Metal Ind Ltd | 高強度熱延鋼板及びその製造方法 |
| JPH1036939A (ja) * | 1996-05-24 | 1998-02-10 | Sumitomo Metal Ind Ltd | 熱間圧延鋼材および熱延鋼板の製造方法 |
| JPH11343536A (ja) * | 1998-05-29 | 1999-12-14 | Press Kogyo Co Ltd | トラックフレーム・アクスルケース用高強度熱延鋼板 |
| JP2000045041A (ja) * | 1998-07-28 | 2000-02-15 | Nippon Steel Corp | 打ち抜き加工性が優れた高強度鋼板およびその製造方法 |
| JP2000087185A (ja) | 1998-09-07 | 2000-03-28 | Nippon Steel Corp | 表面性状およびスケール密着性に優れた熱延鋼板及びその製造方法 |
| JP2004244680A (ja) | 2003-02-14 | 2004-09-02 | Nippon Steel Corp | スケール密着性に優れた熱延鋼板およびその製造方法 |
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| JP2012162778A (ja) | 2011-02-08 | 2012-08-30 | Jfe Steel Corp | スケール密着性に優れた熱延鋼板 |
| JP2013082979A (ja) * | 2011-10-12 | 2013-05-09 | Jfe Steel Corp | 表面性状に優れた鋼板およびその製造方法 |
| JP2014031537A (ja) | 2012-08-02 | 2014-02-20 | Nippon Steel & Sumitomo Metal | スケール密着性に優れた熱延鋼板及びその製造方法 |
| JP2014051683A (ja) | 2012-08-07 | 2014-03-20 | Nippon Steel & Sumitomo Metal | 冷延鋼板およびその製造方法 |
| JP2014118592A (ja) | 2012-12-14 | 2014-06-30 | Nippon Steel & Sumitomo Metal | 表面性状に優れ異方性が小さく切断後の形状が良好な熱延鋼板およびその製造方法 |
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| JP6149451B2 (ja) * | 2013-03-21 | 2017-06-21 | 新日鐵住金株式会社 | 高強度熱延鋼板およびその製造方法 |
-
2016
- 2016-03-28 CN CN201680010704.4A patent/CN107250412B/zh not_active Expired - Fee Related
- 2016-03-28 MX MX2017010605A patent/MX2017010605A/es unknown
- 2016-03-28 KR KR1020177022681A patent/KR101980470B1/ko not_active Expired - Fee Related
- 2016-03-28 JP JP2017509979A patent/JP6406436B2/ja active Active
- 2016-03-28 ES ES16772742T patent/ES2805288T3/es active Active
- 2016-03-28 TW TW105109812A patent/TWI604070B/zh not_active IP Right Cessation
- 2016-03-28 EP EP16772742.9A patent/EP3276035B1/en not_active Not-in-force
- 2016-03-28 PL PL16772742T patent/PL3276035T3/pl unknown
- 2016-03-28 BR BR112017016442-6A patent/BR112017016442A2/pt not_active Application Discontinuation
- 2016-03-28 WO PCT/JP2016/059933 patent/WO2016158861A1/ja not_active Ceased
- 2016-03-28 US US15/546,410 patent/US10435772B2/en not_active Expired - Fee Related
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5459028A (en) | 1977-10-20 | 1979-05-12 | Seiko Epson Corp | Driving system for liquid crystal display unit |
| JPH0734137A (ja) | 1993-07-19 | 1995-02-03 | Sumitomo Metal Ind Ltd | 表面性状の優れた高成形性熱延鋼板の製造法 |
| JPH07118792A (ja) | 1993-10-21 | 1995-05-09 | Sumitomo Metal Ind Ltd | 高強度熱延鋼板及びその製造方法 |
| JPH1036939A (ja) * | 1996-05-24 | 1998-02-10 | Sumitomo Metal Ind Ltd | 熱間圧延鋼材および熱延鋼板の製造方法 |
| JPH11343536A (ja) * | 1998-05-29 | 1999-12-14 | Press Kogyo Co Ltd | トラックフレーム・アクスルケース用高強度熱延鋼板 |
| JP2000045041A (ja) * | 1998-07-28 | 2000-02-15 | Nippon Steel Corp | 打ち抜き加工性が優れた高強度鋼板およびその製造方法 |
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| CN107250412B (zh) | 2019-03-29 |
| EP3276035A1 (en) | 2018-01-31 |
| ES2805288T3 (es) | 2021-02-11 |
| JPWO2016158861A1 (ja) | 2017-11-02 |
| EP3276035A4 (en) | 2018-09-26 |
| US10435772B2 (en) | 2019-10-08 |
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| US20180023172A1 (en) | 2018-01-25 |
| BR112017016442A2 (pt) | 2018-04-10 |
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| CN107250412A (zh) | 2017-10-13 |
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