KR100419637B1 - 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을위한 열처리 방법 - Google Patents
오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을위한 열처리 방법 Download PDFInfo
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- KR100419637B1 KR100419637B1 KR10-2001-0026744A KR20010026744A KR100419637B1 KR 100419637 B1 KR100419637 B1 KR 100419637B1 KR 20010026744 A KR20010026744 A KR 20010026744A KR 100419637 B1 KR100419637 B1 KR 100419637B1
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- KR
- South Korea
- Prior art keywords
- stainless steel
- less
- ferrite
- delta
- heat treatment
- Prior art date
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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 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
-
- 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
- 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
- C22C38/18—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
- 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
- C22C38/58—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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/005—Ferrite
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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)
- Heat Treatment Of Steel (AREA)
Abstract
Description
합금종류 | ||||||||||||
Cr | Ni | Si | Mn | S | C | Mo | Cu | [O] | [N] | Mn/S | 델타-페라이트의 양(%) | |
시험재1 | 17.7 | 9.95 | 0.54 | 3.07 | 0.35 | 0.06 | 0.31 | 0.39 | 0.008 | 0.014 | 8.77 | 3.13 |
시험재2 | 17.1 | 8.82 | 0.54 | 2.06 | 0.24 | 0.05 | 0.30 | 0.59 | 0.009 | 0.015 | 8.58 | 6.30 |
Claims (4)
- 중량비로 C : 0.15%이하 , Si : 1.0%이하, Mn : 1.0-3.5%, S : 0.1-0.4%, Cr : 16-19%, Ni : 8-14%, Mo : 2.5%이하, Cu : 4%이하, N : 0.08%이하, 나머지 Fe및 불가피한 불순물로 이루어지는 강을 1220-1260oC의 온도에서 균질화처리하는 것을 포함하여 이루어지는 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을 위한 열처리방법.
- 제 1항에 있어서, 상기 열처리한 강에서 델타-페라이트는 장축/단축 비의 평균치가 1.0-2.5의 범위이고, 그 크기가 5-35㎛임을 특징으로 하는 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을 위한 열처리방법.
- 제 1 또는 제2항에 있어서, 상기 Mn/S의 비는 4 이상임을 특징으로 하는 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을 위한 열처리방법.
- 제 1 또는 제 2항에 있어서, 상기 강에서 산소(O)의 함량은 0.007-0.011%임을 특징으로 하는 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을 위한 열처리방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0026744A KR100419637B1 (ko) | 2001-05-16 | 2001-05-16 | 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을위한 열처리 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0026744A KR100419637B1 (ko) | 2001-05-16 | 2001-05-16 | 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을위한 열처리 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020087750A KR20020087750A (ko) | 2002-11-23 |
KR100419637B1 true KR100419637B1 (ko) | 2004-02-25 |
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KR10-2001-0026744A KR100419637B1 (ko) | 2001-05-16 | 2001-05-16 | 오스테나이트계 쾌삭 스텐레스강의 열간압연성 향상을위한 열처리 방법 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950004937A (ko) * | 1993-07-15 | 1995-02-18 | 이헌조 | 영상신호 처리기의 자막표시 방법 및 장치 |
JPH08252652A (ja) * | 1995-03-15 | 1996-10-01 | Nippon Steel Corp | 残留δフェライトの少ないオーステナイト系ステンレス鋼薄肉鋳片の製造方法 |
JPH11181554A (ja) * | 1997-12-22 | 1999-07-06 | Nippon Steel Corp | 表面品質と加工性に優れたCr−Ni系ステンレス鋼薄板およびその製造法 |
KR100276309B1 (ko) * | 1996-12-11 | 2000-12-15 | 이구택 | 스테인레스강 용접재를 이용한 육성용접방법 |
KR20020078439A (ko) * | 2001-04-09 | 2002-10-18 | 포스코신기술연구조합 | 열간가공성이 우수한 오스테나이트계 쾌삭 스텐레스강 |
-
2001
- 2001-05-16 KR KR10-2001-0026744A patent/KR100419637B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950004937A (ko) * | 1993-07-15 | 1995-02-18 | 이헌조 | 영상신호 처리기의 자막표시 방법 및 장치 |
JPH08252652A (ja) * | 1995-03-15 | 1996-10-01 | Nippon Steel Corp | 残留δフェライトの少ないオーステナイト系ステンレス鋼薄肉鋳片の製造方法 |
KR100276309B1 (ko) * | 1996-12-11 | 2000-12-15 | 이구택 | 스테인레스강 용접재를 이용한 육성용접방법 |
JPH11181554A (ja) * | 1997-12-22 | 1999-07-06 | Nippon Steel Corp | 表面品質と加工性に優れたCr−Ni系ステンレス鋼薄板およびその製造法 |
KR20020078439A (ko) * | 2001-04-09 | 2002-10-18 | 포스코신기술연구조합 | 열간가공성이 우수한 오스테나이트계 쾌삭 스텐레스강 |
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