KR102868007B1 - 오스테나이트계 스테인리스강대의 제조방법 - Google Patents
오스테나이트계 스테인리스강대의 제조방법Info
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- KR102868007B1 KR102868007B1 KR1020237019232A KR20237019232A KR102868007B1 KR 102868007 B1 KR102868007 B1 KR 102868007B1 KR 1020237019232 A KR1020237019232 A KR 1020237019232A KR 20237019232 A KR20237019232 A KR 20237019232A KR 102868007 B1 KR102868007 B1 KR 102868007B1
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- C21D1/26—Methods of annealing
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- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- 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
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- 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
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- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
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- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
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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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- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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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
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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
- 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 Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
도 2 (a) 본 발명예의 오스테나이트계 스테인리스 강대를 1000 ℃에서 1000 시간 가열한 후의 단면의 반사 전자상이다. (b) 전자선 마이크로애널라이저에 의한 Fe의 면 분석 결과이다. (c) 전자선 마이크로 애널라이저에 의한 Al의 면 분석 결과이다. (d) 전자선 마이크로애널라이저에 의한 O의 면 분석 결과이다.
2 산화막
3 금속 기지
Claims (3)
- 질량%로,
Ni: 20.0%를 초과 30.0% 이하,
Cr: 15.0%를 초과 18.0% 이하,
Mo: 1.0 ~ 2.0%,
Al: 3.5% 이상 5.0% 미만,
Nb+Ta: 1.0%를 초과 2.0% 이하,
Ti+V: 0.3% 이하,
Si: 1.0% 이하,
Mn: 2.0% 이하,
Zr: 0.01 ~ 0.3%,
C: 0.005 ~ 0.045%,
B: 0.001 ~ 0.03%,
필요에 따라 Y, La, Ce, Hf의 1종 이상을 Y+La+Ce+Hf+Zr: 0.01 ~ 0.5%의 범위에서 포함하고,
잔부 Fe 및 불가피적 불순물의 성분 조성을 갖는 열간 압연용 소재에 열간 압연을 행하는 열간 압연 공정과,
상기 열간 압연 공정 후의 열간 압연 강대에 냉간 압연을 행하는 냉간 압연 공정과,
상기 냉간 압연 공정 후의 냉간 압연 강대를 질소를 포함하지 않는 비산화성 분위기 중에서 1000 ~ 1150℃로, 0.1 ~ 30분의 가열 유지 후, 냉각 속도 5℃/s 이상의 급냉을 행하는 용체화 처리 공정을 구비하고,
판폭 120㎜ 이상, 판 두께 3㎜ 이하의 오스테나이트계 스테인리스강대를 얻는 것을 특징으로 하는 오스테나이트계 스테인리스강대의 제조 방법. - 청구항 1에 있어서, 상기 용체화 처리 공정 후에 얻어진 오스테나이트계 스테인리스 강대의 평균 오스테나이트 결정 입자경이 30 ~ 100㎛인 것을 특징으로 하는 오스테나이트계 스테인리스강대의 제조 방법.
- 청구항 1 또는 청구항 2에 있어서, 상기 열간 압연 공정과 상기 냉간 압연 공정 사이, 또는 냉간 압연 공정 중에 압연 강대 표면의 산화층 및 질화층을 제거하는 연마 공정을 더 갖는 것을 특징으로 하는 오스테나이트계 스테인리스강대의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020205135 | 2020-12-10 | ||
| JPJP-P-2020-205135 | 2020-12-10 | ||
| PCT/JP2021/023106 WO2022123812A1 (ja) | 2020-12-10 | 2021-06-17 | オーステナイト系ステンレス鋼帯の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20230098875A KR20230098875A (ko) | 2023-07-04 |
| KR102868007B1 true KR102868007B1 (ko) | 2025-10-01 |
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ID=81974356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237019232A Active KR102868007B1 (ko) | 2020-12-10 | 2021-06-17 | 오스테나이트계 스테인리스강대의 제조방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20240043948A1 (ko) |
| JP (1) | JP7798039B2 (ko) |
| KR (1) | KR102868007B1 (ko) |
| CN (1) | CN116547399A (ko) |
| DE (1) | DE112021006352T5 (ko) |
| TW (1) | TWI789871B (ko) |
| WO (1) | WO2022123812A1 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074626B (zh) * | 2022-06-24 | 2023-04-21 | 青岛新力通工业有限责任公司 | 一种合金及其制备方法 |
| CN115233113B (zh) * | 2022-07-12 | 2023-05-23 | 中国科学院金属研究所 | 含有钽元素的不锈钢合金、不锈钢制品及其制备方法 |
| CN115386700B (zh) * | 2022-09-06 | 2023-09-26 | 太原理工大学 | 一种抑制超级奥氏体不锈钢形变孪晶界析出相析出且利于再结晶的方法 |
| CN115558853B (zh) * | 2022-09-23 | 2023-12-01 | 成都先进金属材料产业技术研究院股份有限公司 | 一种高强韧马氏体时效钢及其制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004269986A (ja) | 2003-03-10 | 2004-09-30 | Sumitomo Metal Ind Ltd | 薄肉ステンレス鋼板 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742513B2 (ja) * | 1989-03-14 | 1995-05-10 | 新日本製鐵株式会社 | オーステナイト系ステンレス鋼薄板の製造方法 |
| JP3410139B2 (ja) * | 1993-03-19 | 2003-05-26 | 住友金属工業株式会社 | Al含有耐酸化性オーステナイト系ステンレス鋼 |
| JP3397092B2 (ja) * | 1996-09-11 | 2003-04-14 | 住友金属工業株式会社 | 熱間加工性に優れるAl含有オーステナイト系ステンレス鋼 |
| US7744813B2 (en) | 2007-01-04 | 2010-06-29 | Ut-Battelle, Llc | Oxidation resistant high creep strength austenitic stainless steel |
| US7754305B2 (en) | 2007-01-04 | 2010-07-13 | Ut-Battelle, Llc | High Mn austenitic stainless steel |
| US7754144B2 (en) | 2007-01-04 | 2010-07-13 | Ut-Battelle, Llc | High Nb, Ta, and Al creep- and oxidation-resistant austenitic stainless steel |
| PL2199420T3 (pl) * | 2007-10-04 | 2013-10-31 | Nippon Steel & Sumitomo Metal Corp | Austenityczna stal nierdzewna |
| US9217187B2 (en) * | 2012-07-20 | 2015-12-22 | Ut-Battelle, Llc | Magnetic field annealing for improved creep resistance |
| JP6160787B2 (ja) * | 2015-07-03 | 2017-07-12 | 新日鐵住金株式会社 | 薄板及びその製造方法 |
| WO2017030149A1 (ja) * | 2015-08-17 | 2017-02-23 | 新日鉄住金マテリアルズ株式会社 | オーステナイト系ステンレス鋼箔 |
| JP6520617B2 (ja) * | 2015-09-30 | 2019-05-29 | 日本製鉄株式会社 | オーステナイト系ステンレス鋼 |
| JP6628561B2 (ja) * | 2015-11-09 | 2020-01-08 | 日鉄ステンレス株式会社 | 加工性に優れた構造部材用ステンレス鋼板及びその製造方法 |
| CA3009770A1 (en) * | 2016-01-05 | 2017-07-13 | Nippon Steel & Sumitomo Metal Corporation | Austenitic heat resistant alloy and method for producing the same |
| JP6684629B2 (ja) * | 2016-03-31 | 2020-04-22 | 日鉄ステンレス株式会社 | 高温摺動性に優れたオーステナイト系ステンレス鋼、およびそれを用いて作製されたターボチャージャ部品 |
| CN109072377B (zh) * | 2016-04-07 | 2020-10-16 | 日本制铁株式会社 | 奥氏体系不锈钢材 |
| CA3028610A1 (en) * | 2016-06-29 | 2018-01-04 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel |
| WO2018043565A1 (ja) * | 2016-08-30 | 2018-03-08 | 新日鐵住金株式会社 | オーステナイト系ステンレス鋼 |
| WO2018092816A1 (ja) * | 2016-11-16 | 2018-05-24 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
| WO2020067444A1 (ja) * | 2018-09-27 | 2020-04-02 | 日本製鉄株式会社 | オーステナイト系合金 |
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- 2021-06-17 JP JP2022568038A patent/JP7798039B2/ja active Active
- 2021-06-17 DE DE112021006352.9T patent/DE112021006352T5/de active Pending
- 2021-06-17 US US18/265,967 patent/US20240043948A1/en active Pending
- 2021-06-17 KR KR1020237019232A patent/KR102868007B1/ko active Active
- 2021-06-17 WO PCT/JP2021/023106 patent/WO2022123812A1/ja not_active Ceased
- 2021-06-17 CN CN202180082111.XA patent/CN116547399A/zh active Pending
- 2021-08-13 TW TW110129877A patent/TWI789871B/zh active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004269986A (ja) | 2003-03-10 | 2004-09-30 | Sumitomo Metal Ind Ltd | 薄肉ステンレス鋼板 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7798039B2 (ja) | 2026-01-14 |
| TW202223116A (zh) | 2022-06-16 |
| JPWO2022123812A1 (ko) | 2022-06-16 |
| US20240043948A1 (en) | 2024-02-08 |
| WO2022123812A1 (ja) | 2022-06-16 |
| TWI789871B (zh) | 2023-01-11 |
| KR20230098875A (ko) | 2023-07-04 |
| DE112021006352T5 (de) | 2023-09-14 |
| CN116547399A (zh) | 2023-08-04 |
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