KR101756701B1 - 가공성이 향상된 오스테나이트계 스테인리스강 - Google Patents
가공성이 향상된 오스테나이트계 스테인리스강 Download PDFInfo
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- KR101756701B1 KR101756701B1 KR1020150184668A KR20150184668A KR101756701B1 KR 101756701 B1 KR101756701 B1 KR 101756701B1 KR 1020150184668 A KR1020150184668 A KR 1020150184668A KR 20150184668 A KR20150184668 A KR 20150184668A KR 101756701 B1 KR101756701 B1 KR 101756701B1
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- stainless steel
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- austenitic stainless
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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
- C22C38/40—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
-
- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold 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
-
- 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
- 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
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
도 2는 본 발명의 일 실시예에 따른 오스테나이트계 스테인리스강으로 싱크 보울 가공 후 모서리 부분을 촬영한 사진이다.
도 3은 본 발명의 일 실시예에 따른 오스테나이트계 스테인리스강의 진변형률과 가공경화속도의 상관관계를 나타내는 그래프이다.
성분(중량%) | |||||||
C | Si | Mn | Ni | Cr | Cu | N | |
발명예1 | 0.012 | 0.3 | 0.7 | 7.8 | 16.9 | 3.01 | 0.008 |
발명예2 | 0.010 | 0.3 | 1.2 | 9.6 | 16.8 | 0.00 | 0.010 |
발명예3 | 0.010 | 0.3 | 1.2 | 8.7 | 16.9 | 3.00 | 0.010 |
발명예4 | 0.010 | 0.3 | 1.2 | 9.6 | 16.9 | 2.98 | 0.010 |
발명예5 | 0.009 | 0.6 | 1.2 | 7.5 | 17.0 | 2.98 | 0.010 |
발명예6 | 0.010 | 0.3 | 1.8 | 7.6 | 16.8 | 3.00 | 0.010 |
발명예7 | 0.010 | 0.3 | 1.1 | 7.6 | 17.2 | 3.03 | 0.010 |
발명예8 | 0.010 | 0.3 | 2.2 | 7.6 | 16.9 | 3.00 | 0.010 |
발명예9 | 0.012 | 0.3 | 0.7 | 7.8 | 16.9 | 3.01 | 0.008 |
발명예10 | 0.010 | 0.3 | 1.2 | 9.6 | 16.8 | 0.00 | 0.010 |
발명예11 | 0.010 | 0.6 | 1.2 | 7.6 | 16.9 | 5.00 | 0.010 |
비교예1 | 0.040 | 0.6 | 1.2 | 8.1 | 18.1 | 0.00 | 0.040 |
비교예2 | 0.030 | 0.6 | 1.2 | 7.6 | 16.9 | 5.00 | 0.030 |
가공경화 속도 (MPa) | 지연파괴 유무 | |
발명예1 | 1033 | X |
발명예2 | 1020 | X |
발명예3 | 1029 | X |
발명예4 | 1433 | X |
발명예5 | 1604 | X |
발명예6 | 961 | X |
발명예7 | 1193 | X |
발명예8 | 1204 | X |
발명예9 | 1036 | X |
발명예10 | 1013 | X |
발명예11 | 992 | X |
비교예1 | 2106 | O |
비교예2 | 1601 | O |
Claims (5)
- 중량%로, 실리콘(Si): 0.1 내지 0.65%, 망간(Mn): 0.2 내지 3.0%, 니켈(Ni): 6.5 내지 10.0%, 크롬(Cr): 16.5 내지 20.0%, 구리(Cu): 6.0%이하(0은 제외), 탄소(C)+질소(N): 0.03% 이하(0은 제외), 나머지는 Fe 및 불가피한 불순물을 포함하며,
진변형률 0.15 내지 0.4 범위에서 가공경화속도가 1,500MPa 이하이고,
ASTM 결정입도 번호가 8 이하이며,
페라이트 상분율 또는 마르텐사이트 상분율이 1% 미만인 가공성이 향상된 오스테나이트계 스테인리스강.
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150184668A KR101756701B1 (ko) | 2015-12-23 | 2015-12-23 | 가공성이 향상된 오스테나이트계 스테인리스강 |
MYPI2018000974A MY189629A (en) | 2015-12-23 | 2016-12-21 | Austenitic stainless steel having improved processability |
JP2018529145A JP6796134B2 (ja) | 2015-12-23 | 2016-12-21 | 加工性が向上したオーステナイト系ステンレス鋼 |
PCT/KR2016/015024 WO2017111467A1 (ko) | 2015-12-23 | 2016-12-21 | 가공성이 향상된 오스테나이트계 스테인리스강 |
CN201680070348.5A CN108291289B (zh) | 2015-12-23 | 2016-12-21 | 具有改善的可加工性的奥氏体不锈钢 |
EP16879334.7A EP3396001B1 (en) | 2015-12-23 | 2016-12-21 | Austenitic stainless steel having improved processability |
US16/065,710 US20190010588A1 (en) | 2015-12-23 | 2016-12-21 | Austenitic stainless steel having improved processability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150184668A KR101756701B1 (ko) | 2015-12-23 | 2015-12-23 | 가공성이 향상된 오스테나이트계 스테인리스강 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170075840A KR20170075840A (ko) | 2017-07-04 |
KR101756701B1 true KR101756701B1 (ko) | 2017-07-12 |
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KR1020150184668A Active KR101756701B1 (ko) | 2015-12-23 | 2015-12-23 | 가공성이 향상된 오스테나이트계 스테인리스강 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20190010588A1 (ko) |
EP (1) | EP3396001B1 (ko) |
JP (1) | JP6796134B2 (ko) |
KR (1) | KR101756701B1 (ko) |
CN (1) | CN108291289B (ko) |
MY (1) | MY189629A (ko) |
WO (1) | WO2017111467A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102268906B1 (ko) * | 2019-07-17 | 2021-06-25 | 주식회사 포스코 | 강도가 향상된 오스테나이트계 스테인리스강 및 그 제조 방법 |
JP7576935B2 (ja) | 2020-07-06 | 2024-11-01 | 日鉄ステンレス株式会社 | 非磁性ステンレス鋼板および機械部品用鋼材の製造方法 |
KR20220169655A (ko) * | 2021-06-21 | 2022-12-28 | 주식회사 포스코 | 오스테나이트계 스테인리스강 및 그 제조방법 |
CN118460926A (zh) * | 2024-05-21 | 2024-08-09 | 山西太钢不锈钢股份有限公司 | 一种易加工高硬化奥氏体不锈钢及其制造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008169423A (ja) * | 2007-01-10 | 2008-07-24 | Nisshin Steel Co Ltd | 曲げ加工用オーステナイト系ステンレス鋼板 |
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JP3839108B2 (ja) * | 1996-10-14 | 2006-11-01 | 日新製鋼株式会社 | 打抜き後の加工性に優れたオーステナイト系ステンレス鋼 |
ES2250443T3 (es) * | 2000-08-01 | 2006-04-16 | Nisshin Steel Co., Ltd. | Deposito de carburante en acero inoxidable para automovil. |
EP1306600B1 (en) * | 2000-08-01 | 2007-10-24 | Nisshin Steel Co., Ltd. | Stainless steel oil feeding pipe |
JP2002097555A (ja) * | 2000-09-25 | 2002-04-02 | Nisshin Steel Co Ltd | ステンレス鋼製形鋼 |
JP2003221660A (ja) * | 2002-01-31 | 2003-08-08 | Nisshin Steel Co Ltd | 溶融Alめっきステンレス鋼板製の車両用燃料タンク |
JP2004238700A (ja) * | 2003-02-07 | 2004-08-26 | Nisshin Steel Co Ltd | 表面平滑性の良好なプレス成形品に適したオーステナイト系ステンレス鋼板 |
JP5355905B2 (ja) * | 2007-04-10 | 2013-11-27 | 新日鐵住金ステンレス株式会社 | 衝撃吸収特性、形状凍結性及びフランジ部切断性に優れた、自動車、二輪車または鉄道車両用構造部材並びにその製造方法 |
JP5388589B2 (ja) * | 2008-01-22 | 2014-01-15 | 新日鐵住金ステンレス株式会社 | 加工性と衝撃吸収特性に優れた構造部材用フェライト・オーステナイト系ステンレス鋼板およびその製造方法 |
WO2012004464A1 (fr) * | 2010-07-07 | 2012-01-12 | Arcelormittal Investigación Y Desarrollo Sl | Acier inoxydable austéno-ferritique à usinabilité améliorée |
JP6016331B2 (ja) * | 2011-03-29 | 2016-10-26 | 新日鐵住金ステンレス株式会社 | 耐食性及びろう付け性に優れたオーステナイト系ステンレス鋼 |
KR20140131214A (ko) | 2013-05-03 | 2014-11-12 | 주식회사 포스코 | 시효균열 저항성이 향상된 오스테나이트계 스테인리스강 |
AU2015248303C1 (en) * | 2014-04-17 | 2019-03-28 | Nippon Steel Corporation | Austenitic stainless steel and method for producing the same |
KR101659186B1 (ko) * | 2014-12-26 | 2016-09-23 | 주식회사 포스코 | 가요성이 우수한 오스테나이트계 스테인리스강 |
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2015
- 2015-12-23 KR KR1020150184668A patent/KR101756701B1/ko active Active
-
2016
- 2016-12-21 EP EP16879334.7A patent/EP3396001B1/en active Active
- 2016-12-21 JP JP2018529145A patent/JP6796134B2/ja active Active
- 2016-12-21 US US16/065,710 patent/US20190010588A1/en not_active Abandoned
- 2016-12-21 MY MYPI2018000974A patent/MY189629A/en unknown
- 2016-12-21 CN CN201680070348.5A patent/CN108291289B/zh active Active
- 2016-12-21 WO PCT/KR2016/015024 patent/WO2017111467A1/ko active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008169423A (ja) * | 2007-01-10 | 2008-07-24 | Nisshin Steel Co Ltd | 曲げ加工用オーステナイト系ステンレス鋼板 |
Also Published As
Publication number | Publication date |
---|---|
MY189629A (en) | 2022-02-22 |
KR20170075840A (ko) | 2017-07-04 |
EP3396001A4 (en) | 2019-01-23 |
CN108291289A (zh) | 2018-07-17 |
WO2017111467A1 (ko) | 2017-06-29 |
JP2019501289A (ja) | 2019-01-17 |
CN108291289B (zh) | 2020-10-02 |
JP6796134B2 (ja) | 2020-12-02 |
EP3396001B1 (en) | 2021-09-22 |
EP3396001A1 (en) | 2018-10-31 |
US20190010588A1 (en) | 2019-01-10 |
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