JP2006117991A - 熱間加工性に優れたオーステナイト系ステンレス鋼 - Google Patents
熱間加工性に優れたオーステナイト系ステンレス鋼 Download PDFInfo
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- JP2006117991A JP2006117991A JP2004306711A JP2004306711A JP2006117991A JP 2006117991 A JP2006117991 A JP 2006117991A JP 2004306711 A JP2004306711 A JP 2004306711A JP 2004306711 A JP2004306711 A JP 2004306711A JP 2006117991 A JP2006117991 A JP 2006117991A
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Abstract
【解決手段】 質量%で、0.0001≦Mg≦0.0010%、Ca≦0.0010%であり、かつ0.001≦Ti×N≦0.004、0.1≦Al/Ti≦0.4の両方を満足し、かつ下記(1)式におけるDFの値が5から15を満足するように成分を調整する。
DF=2.9×(Cr+Mo+0.3×Si)‐2.6×(Ni+0.3×Mn+0.25×Cu+35×C+20×N)−18 (1)
【選択図】 図1
Description
DF=2.9×(Cr+Mo+0.3×Si)−2.6×(Ni+0.3×Mn+0.25×Cu+35×C+20×N)−18 (1)
(2)質量%で、18≦Cr≦25%、7≦Ni≦14%であることを特徴とする前記(1)に記載の熱間加工性に優れたオーステナイト系ステンレス鋼。
(3)質量%で、0.05≦Mo≦3.0%、0.05≦Si≦1.0%、0.5≦Mn≦4.0%、0.2≦Cu≦3.5%、0.005≦C≦0.10%、0.005≦N≦0.10%であることを特徴とする前記(2)に記載の熱間加工性に優れたオーステナイト系ステンレス鋼。
Claims (3)
- 質量%で、0.0001≦Mg≦0.0010%、Ca≦0.0010%であり、かつ0.001≦Ti×N≦0.004、0.1≦Al/Ti≦0.4の両方を満足し、かつ下記(1)式におけるDFの値が5から15を満足することを特徴とする熱間加工性に優れたオーステナイト系ステンレス鋼。
DF=2.9×(Cr+Mo+0.3×Si)−2.6×(Ni+0.3×Mn+0.25×Cu+35×C+20×N)−18 (1) - 質量%で、18≦Cr≦25%、7≦Ni≦14%であることを特徴とする請求項1に記載の熱間加工性に優れたオーステナイト系ステンレス鋼。
- 質量%で、0.005≦C≦0.10%、0.05≦Si≦1.0%、0.5≦Mn≦4.0%、0.05≦Mo≦3.0%、0.2≦Cu≦3.5%、0.005≦N≦0.10%であることを特徴とする請求項2に記載の熱間加工性に優れたオーステナイト系ステンレス鋼。
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JP2004306711A JP4381954B2 (ja) | 2004-10-21 | 2004-10-21 | 熱間加工性に優れたオーステナイト系ステンレス鋼 |
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JP2004306711A JP4381954B2 (ja) | 2004-10-21 | 2004-10-21 | 熱間加工性に優れたオーステナイト系ステンレス鋼 |
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JP2006117991A true JP2006117991A (ja) | 2006-05-11 |
JP4381954B2 JP4381954B2 (ja) | 2009-12-09 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008018242A1 (ja) | 2006-08-08 | 2008-02-14 | Nippon Steel & Sumikin Stainless Steel Corporation | 二相ステンレス鋼 |
JP2008063595A (ja) * | 2006-09-05 | 2008-03-21 | Nippon Steel & Sumikin Stainless Steel Corp | 溶接性と熱間加工性に優れたオーステナイト系ステンレス線材および鋼線 |
US9862168B2 (en) | 2011-01-27 | 2018-01-09 | Nippon Steel & Sumikin Stainless Steel Corporation | Alloying element-saving hot rolled duplex stainless steel material, clad steel plate having duplex stainless steel as cladding material therefor, and production method for same |
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2004
- 2004-10-21 JP JP2004306711A patent/JP4381954B2/ja active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008018242A1 (ja) | 2006-08-08 | 2008-02-14 | Nippon Steel & Sumikin Stainless Steel Corporation | 二相ステンレス鋼 |
JP2008038214A (ja) * | 2006-08-08 | 2008-02-21 | Nippon Steel & Sumikin Stainless Steel Corp | 二相ステンレス鋼 |
US8778260B2 (en) | 2006-08-08 | 2014-07-15 | Nippon Steel & Sumikin Stainless Steel Corporation | Duplex stainless steel |
CN101346486B9 (zh) * | 2006-08-08 | 2021-08-24 | 新日铁住金不锈钢株式会社 | 双相不锈钢 |
JP2008063595A (ja) * | 2006-09-05 | 2008-03-21 | Nippon Steel & Sumikin Stainless Steel Corp | 溶接性と熱間加工性に優れたオーステナイト系ステンレス線材および鋼線 |
US9862168B2 (en) | 2011-01-27 | 2018-01-09 | Nippon Steel & Sumikin Stainless Steel Corporation | Alloying element-saving hot rolled duplex stainless steel material, clad steel plate having duplex stainless steel as cladding material therefor, and production method for same |
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JP4381954B2 (ja) | 2009-12-09 |
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