KR101084642B1 - 피삭성이 우수한 페라이트계 스테인레스 강 및마르텐사이트계 스테인레스 강 - Google Patents
피삭성이 우수한 페라이트계 스테인레스 강 및마르텐사이트계 스테인레스 강 Download PDFInfo
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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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- C22C38/18—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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- 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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- 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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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
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Abstract
Description
Claims (5)
- C: 0.001~0.1질량%, Si: 1.0질량% 이하, Mn: 1.0질량% 이하, Cr: 15~30질량%, Ni: 0.60질량% 이하, Cu: 0.5~6.0질량%, Sn 또는 In 또는 둘 모두: 0.005질량% 이상을 포함하고, 잔부가 Fe인 조성을 갖고,Sn 또는 In 또는 둘 모두의 농도가 10질량% 이상인 Cu 주체의 제 2상이 0.2체적% 이상의 비율로 매트릭스에 분산되어 있는 것을 특징으로 하는, 피삭성이 우수한 페라이트계 스테인레스 강.
- C: 0.01~0.5질량%, Si: 1.0질량% 이하, Mn: 1.0질량% 이하, Cr: 10~15질량%, Ni: 0.60질량% 이하, Cu: 0.5~6.0질량%, Sn 또는 In 또는 둘 모두: 0.005질량% 이상을 포함하고, 잔부가 Fe인 조성을 갖고,Sn 또는 In 또는 둘 모두의 농도가 10질량% 이상인 Cu 주체의 제 2상이 0.2체적% 이상의 비율로 매트릭스에 분산되어 있는 것을 특징으로 하는, 피삭성이 우수한 마르텐사이트계 스테인레스 강.
- 제 1 항 또는 제 2 항에 있어서, Nb: 0.2~1.0질량%, Ti: 0.02~1질량%, Mo: 3질량% 이하, Zr: 1질량% 이하, Al: 1질량% 이하, V: 1질량% 이하, B: 0.05질량% 이하, 희토류 원소(REM): 0.05질량% 이하 중 1종 또는 2종 이상을 더 포함하는 것을 특징으로 하는, 페라이트계 또는 마르텐사이트계 스테인레스 강.
- C: 0.001~0.1질량%, Si: 1.0질량% 이하, Mn: 1.0질량% 이하, Cr: 15~30질량%, Ni: 0.60질량% 이하, Cu: 0.5~6.0질량%, Sn 또는 In 또는 둘 모두: 0.005질량% 이상을 포함하고, 잔부가 Fe인 조성을 갖는 페라이트계 스테인레스 강을,열간 압연후부터 최종 제품으로 될 때까지의 사이에 500~900℃의 온도 범위에서 1시간 이상 가열 유지하는 시효 처리를 1회 이상 행하고,Sn 또는 In 또는 둘 모두의 농도가 10질량% 이상인 Cu 주체의 제 2상의 석출을 촉진시키는 것을 특징으로 하는, 피삭성이 우수한 페라이트계 스테인레스 강의 제조 방법.
- C: 0.01~0.5질량%, Si: 1.0질량% 이하, Mn: 1.0질량% 이하, Cr: 10~15질량%, Ni: 0.60질량% 이하, Cu: 0.5~6.0질량%, Sn 또는 In 또는 둘 모두: 0.005질량% 이상을 포함하고, 잔부가 Fe인 조성을 갖는 마르텐사이트계 스테인레스 강을,열간 압연후부터 최종 제품으로 될 때까지의 사이에 500~900℃의 온도 범위에서 1시간 이상 가열 유지하는 시효 처리를 1회 이상 행하고,Sn 또는 In 또는 둘 모두의 농도가 10질량% 이상인 Cu 주체의 제 2상의 석출을 촉진시키는 것을 특징으로 하는, 피삭성이 우수한 마르텐사이트계 스테인레스 강의 제조 방법.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2001-00145148 | 2001-05-15 | ||
| JP2001145148 | 2001-05-15 | ||
| JPJP-P-2001-00205349 | 2001-07-05 | ||
| JP2001205349 | 2001-07-05 | ||
| PCT/JP2001/010084 WO2002092869A1 (en) | 2001-05-15 | 2001-11-19 | Ferritic stainless steal and martensitic stainless steel both being excellent in machinability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030091094A KR20030091094A (ko) | 2003-12-01 |
| KR101084642B1 true KR101084642B1 (ko) | 2011-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020037014873A Expired - Lifetime KR101084642B1 (ko) | 2001-05-15 | 2001-11-19 | 피삭성이 우수한 페라이트계 스테인레스 강 및마르텐사이트계 스테인레스 강 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7070663B2 (ko) |
| EP (2) | EP1854902B1 (ko) |
| JP (1) | JP4090889B2 (ko) |
| KR (1) | KR101084642B1 (ko) |
| CN (3) | CN100420767C (ko) |
| DE (2) | DE60133134T2 (ko) |
| ES (1) | ES2301521T3 (ko) |
| WO (1) | WO2002092869A1 (ko) |
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| CN116043134B (zh) * | 2023-02-28 | 2024-10-25 | 宝钢德盛不锈钢有限公司 | 一种奥氏体不锈钢及其制造方法 |
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- 2001-11-19 CN CNB018232590A patent/CN100420767C/zh not_active Expired - Fee Related
- 2001-11-19 WO PCT/JP2001/010084 patent/WO2002092869A1/ja not_active Ceased
- 2001-11-19 CN CNB2005100751317A patent/CN1324158C/zh not_active Expired - Fee Related
- 2001-11-19 KR KR1020037014873A patent/KR101084642B1/ko not_active Expired - Lifetime
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| JP2000239808A (ja) | 1999-02-16 | 2000-09-05 | Sanyo Special Steel Co Ltd | 抗菌性に優れた耐食軟磁性材料 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1854902B1 (en) | 2008-07-09 |
| CN1955327A (zh) | 2007-05-02 |
| CN100478481C (zh) | 2009-04-15 |
| US20040096351A1 (en) | 2004-05-20 |
| KR20030091094A (ko) | 2003-12-01 |
| CN1518608A (zh) | 2004-08-04 |
| CN1690240A (zh) | 2005-11-02 |
| ES2301521T3 (es) | 2008-07-01 |
| EP1391528A1 (en) | 2004-02-25 |
| DE60133134D1 (de) | 2008-04-17 |
| CN1324158C (zh) | 2007-07-04 |
| CN100420767C (zh) | 2008-09-24 |
| JP4090889B2 (ja) | 2008-05-28 |
| JPWO2002092869A1 (ja) | 2004-09-02 |
| DE60134802D1 (de) | 2008-08-21 |
| WO2002092869A1 (en) | 2002-11-21 |
| US7070663B2 (en) | 2006-07-04 |
| EP1854902A1 (en) | 2007-11-14 |
| DE60133134T2 (de) | 2009-02-19 |
| EP1391528B1 (en) | 2008-03-05 |
| EP1391528A4 (en) | 2006-05-24 |
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