STAINLESS STEEL

To provide a ferrite-based stainless steel having excellent damping property when used in use required to have damping property.SOLUTION: Stainless steel comprising, C: 0.001 to 0.030%, Si:0.01 to 5.00%, Mn:0.01 to 1.00%, P:≤0.050%, S:≤0.0100%, Cr:9.0 to 30.0%, Ni:0.01 to 3.00%, Al:0.30 to 5.00%, N:...

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Bibliographic Details
Main Authors TAI ZENICHI, ABE MASATOSHI
Format Patent
LanguageEnglish
Japanese
Published 25.07.2023
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:To provide a ferrite-based stainless steel having excellent damping property when used in use required to have damping property.SOLUTION: Stainless steel comprising, C: 0.001 to 0.030%, Si:0.01 to 5.00%, Mn:0.01 to 1.00%, P:≤0.050%, S:≤0.0100%, Cr:9.0 to 30.0%, Ni:0.01 to 3.00%, Al:0.30 to 5.00%, N:0.001 to 0.050%, B:0.0001 to 0.0050%, further contains either one or both of Ti or Nb in the range of 0.01 to 1.00%, the balance being iron and impurities, having average grain size of 60 μm or more and less than 200 μm, the magnetostriction amplitude of 15 μm/m or more at a magnetic field strength of ±10 kOe, the internal friction of 0.0030 or more, and the loss factor of 0.0010 or more.SELECTED DRAWING: None 【課題】制振性の要求される用途に使用される場合において、優れた制振性を有するフェライト系ステンレス鋼を提供する。【解決手段】質量％で、Ｃ：０．００１～０．０３０％、Ｓｉ：０．０１～５．００％、Ｍｎ：０．０１～１．００％、Ｐ：≦０．０５０％、Ｓ：≦０．０１００％、Ｃｒ：９．０～３０．０％、Ｎｉ：０．０１～３．００％、Ａｌ：０．３０～５．００％、Ｎ：０．００１～０．０５０％、Ｂ：０．０００１～０．００５０％を含有し、更に、ＴｉまたはＮｂの何れか一方または両方をそれぞれ０．０１～１．００％の範囲で含有し、残部が鉄及び不純物であり、平均結晶粒径が６０μｍ以上、２００μｍ未満であり、磁場強度±１０ｋОｅでの磁歪振幅が１５μｍ／ｍ以上であり、内部摩擦が０．００３０以上であり、損失係数が０．００１０以上であるステンレス鋼を採用する。【選択図】なし
Bibliography:Application Number: JP20220002780