KR20200057041A - 저온용 니켈 함유 강 - Google Patents
저온용 니켈 함유 강 Download PDFInfo
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- KR20200057041A KR20200057041A KR1020207011333A KR20207011333A KR20200057041A KR 20200057041 A KR20200057041 A KR 20200057041A KR 1020207011333 A KR1020207011333 A KR 1020207011333A KR 20207011333 A KR20207011333 A KR 20207011333A KR 20200057041 A KR20200057041 A KR 20200057041A
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- steel
- austenite
- old austenite
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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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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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
- C22C38/001—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
- 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
-
- C21D8/0205—
-
- 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
-
- 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
- C21D8/0247—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 heat treatment
- C21D8/0263—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 heat treatment 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
-
- 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
-
- 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
Landscapes
- 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)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (5)
- 화학 조성이, 질량%로,
C: 0.030 내지 0.070%,
Si: 0.03 내지 0.30%,
Mn: 0.10 내지 0.80%,
Ni: 12.5 내지 17.4%,
Mo: 0.03 내지 0.60%,
Al: 0.010 내지 0.060%,
N: 0.0015 내지 0.0060%,
O: 0.0007 내지 0.0030%,
Cu: 0 내지 1.00%,
Cr: 0 내지 1.00%,
Nb: 0 내지 0.020%,
V: 0 내지 0.080%,
Ti: 0 내지 0.020%,
B: 0 내지 0.0020%,
Ca: 0 내지 0.0040%,
REM: 0 내지 0.0050%,
P: 0.008% 이하,
S: 0.0040% 이하,
잔부: Fe 및 불순물이고,
금속 조직이, 체적 분율%로, 2.0 내지 30.0%의 오스테나이트상을 포함하고,
압연 방향 및 판 두께 방향에 평행한 면의 판 두께 중심부에 있어서, 구오스테나이트 입자의 평균 입경이 3.0 내지 20.0㎛이고, 상기 구오스테나이트 입자의 평균 애스펙트비가 3.1 내지 10.0이고,
실온에서의 항복 응력이 590 내지 710MPa, 또한, 실온에서의 인장 강도가 690 내지 810MPa인
것을 특징으로 하는 저온용 니켈 함유 강. - 제1항에 있어서, 상기 화학 조성이, Mn: 0.10 내지 0.50%를 함유하는 것을 특징으로 하는 저온용 니켈 함유 강.
- 제1항 또는 제2항에 있어서, 상기 구오스테나이트 입자의 상기 평균 입경이 3.0 내지 15.0㎛인 것을 특징으로 하는 저온용 니켈 함유 강.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 평균 유효 결정 입경이 2.0 내지 12.0㎛인 것을 특징으로 하는 저온용 니켈 함유 강.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 판 두께가, 4.5 내지 40mm인 것을 특징으로 하는 저온용 니켈 함유 강.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/038626 WO2019082324A1 (ja) | 2017-10-26 | 2017-10-26 | 低温用ニッケル含有鋼 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200057041A true KR20200057041A (ko) | 2020-05-25 |
| KR102307145B1 KR102307145B1 (ko) | 2021-10-01 |
Family
ID=66247334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207011333A Active KR102307145B1 (ko) | 2017-10-26 | 2017-10-26 | 저온용 니켈 함유 강 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11371126B2 (ko) |
| EP (1) | EP3702487B1 (ko) |
| JP (1) | JP6852805B2 (ko) |
| KR (1) | KR102307145B1 (ko) |
| CN (1) | CN111263827B (ko) |
| WO (1) | WO2019082324A1 (ko) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3702484B1 (en) | 2017-10-26 | 2022-01-26 | Nippon Steel Corporation | Nickel-containing steel for low temperature |
| JP6852804B2 (ja) | 2017-10-26 | 2021-03-31 | 日本製鉄株式会社 | 低温用ニッケル含有鋼 |
| US11384416B2 (en) | 2017-10-26 | 2022-07-12 | Nippon Steel Corporation | Nickel-containing steel for low temperature |
| CN114196879B (zh) * | 2021-11-26 | 2022-12-16 | 首钢集团有限公司 | 一种屈服强度1000MPa级的结构钢板及其制造方法 |
| EP4450660A4 (en) * | 2021-12-17 | 2025-01-29 | Nippon Steel Corporation | NICKEL-CONTAINING STEEL WELDING JOINT FOR LOW TEMPERATURE USE |
| WO2025262949A1 (ja) * | 2024-06-21 | 2025-12-26 | 日本製鉄株式会社 | 溶接継手 |
Citations (9)
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| JPH03223442A (ja) | 1990-01-25 | 1991-10-02 | Kawasaki Steel Corp | 溶接部靭性の優れた低温用薄物ニッケル鋼板 |
| JPH03260012A (ja) * | 1990-03-12 | 1991-11-20 | Nippon Steel Corp | 耐応力腐食割れ性の優れた高靭性超高張力鋼の製造法 |
| JPH09137253A (ja) * | 1995-11-10 | 1997-05-27 | Nippon Steel Corp | 耐応力腐食割れ性および低温靱性に優れた超高張力鋼およびその製造方法 |
| JP2004339569A (ja) * | 2003-05-15 | 2004-12-02 | Nippon Steel Corp | 固体高分子型燃料電池セパレータ用ステンレス鋼板並びにその製造方法及び成形方法 |
| JP2011021243A (ja) * | 2009-07-16 | 2011-02-03 | Sumitomo Metal Ind Ltd | アレスト性に優れた厚肉低温用鋼板およびその製造方法 |
| JP2011219849A (ja) | 2010-04-14 | 2011-11-04 | Sumitomo Metal Ind Ltd | 極低温用厚鋼板およびその製造方法 |
| JP2014210948A (ja) | 2013-04-17 | 2014-11-13 | 株式会社神戸製鋼所 | 極低温靭性に優れた厚鋼板 |
| JP5709881B2 (ja) | 2010-09-29 | 2015-04-30 | 新日鐵住金ステンレス株式会社 | オーステナイト系高Mnステンレス鋼およびその製造方法と、その鋼を用いた部材 |
| JP2017008413A (ja) * | 2015-06-16 | 2017-01-12 | 新日鐵住金株式会社 | 低温水素用オーステナイト系ステンレス鋼及びその製造方法 |
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| JP6693185B2 (ja) | 2016-03-11 | 2020-05-13 | 日本製鉄株式会社 | 低温用ニッケル鋼板の製造方法 |
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| JP6852804B2 (ja) | 2017-10-26 | 2021-03-31 | 日本製鉄株式会社 | 低温用ニッケル含有鋼 |
| EP3702484B1 (en) | 2017-10-26 | 2022-01-26 | Nippon Steel Corporation | Nickel-containing steel for low temperature |
-
2017
- 2017-10-26 JP JP2019549762A patent/JP6852805B2/ja active Active
- 2017-10-26 US US16/757,675 patent/US11371126B2/en active Active
- 2017-10-26 KR KR1020207011333A patent/KR102307145B1/ko active Active
- 2017-10-26 CN CN201780096174.4A patent/CN111263827B/zh active Active
- 2017-10-26 EP EP17930103.1A patent/EP3702487B1/en active Active
- 2017-10-26 WO PCT/JP2017/038626 patent/WO2019082324A1/ja not_active Ceased
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03223442A (ja) | 1990-01-25 | 1991-10-02 | Kawasaki Steel Corp | 溶接部靭性の優れた低温用薄物ニッケル鋼板 |
| JPH03260012A (ja) * | 1990-03-12 | 1991-11-20 | Nippon Steel Corp | 耐応力腐食割れ性の優れた高靭性超高張力鋼の製造法 |
| JPH09137253A (ja) * | 1995-11-10 | 1997-05-27 | Nippon Steel Corp | 耐応力腐食割れ性および低温靱性に優れた超高張力鋼およびその製造方法 |
| JP2004339569A (ja) * | 2003-05-15 | 2004-12-02 | Nippon Steel Corp | 固体高分子型燃料電池セパレータ用ステンレス鋼板並びにその製造方法及び成形方法 |
| JP2011021243A (ja) * | 2009-07-16 | 2011-02-03 | Sumitomo Metal Ind Ltd | アレスト性に優れた厚肉低温用鋼板およびその製造方法 |
| JP2011219849A (ja) | 2010-04-14 | 2011-11-04 | Sumitomo Metal Ind Ltd | 極低温用厚鋼板およびその製造方法 |
| JP5709881B2 (ja) | 2010-09-29 | 2015-04-30 | 新日鐵住金ステンレス株式会社 | オーステナイト系高Mnステンレス鋼およびその製造方法と、その鋼を用いた部材 |
| JP2014210948A (ja) | 2013-04-17 | 2014-11-13 | 株式会社神戸製鋼所 | 極低温靭性に優れた厚鋼板 |
| JP2017008413A (ja) * | 2015-06-16 | 2017-01-12 | 新日鐵住金株式会社 | 低温水素用オーステナイト系ステンレス鋼及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3702487A1 (en) | 2020-09-02 |
| US11371126B2 (en) | 2022-06-28 |
| WO2019082324A1 (ja) | 2019-05-02 |
| EP3702487B1 (en) | 2021-12-08 |
| JP6852805B2 (ja) | 2021-03-31 |
| US20200332384A1 (en) | 2020-10-22 |
| CN111263827A (zh) | 2020-06-09 |
| JPWO2019082324A1 (ja) | 2020-11-12 |
| CN111263827B (zh) | 2021-12-21 |
| KR102307145B1 (ko) | 2021-10-01 |
| EP3702487A4 (en) | 2021-03-10 |
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