TWO-PHASE STAINLESS STEEL FOR WHEELCHAIR FRAMES

To provide a wheelchair having excellent durability and safety and being sufficiently light in weight.SOLUTION: A two-phase stainless steel for wheelchair frames is for use in a main frame of a wheelchair, and has a chemical composition containing, in mass%, C: 0.06% or less, Si: 1.5% or less, Mn: 0...

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Bibliographische Detailangaben
Hauptverfasser:	NARITA TOMONORI, OMURA KEIICHI, KOYAMA KENICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALLOYS CHAIRS FOR DENTISTRY CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FUNERAL DEVICES HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY OPERATING TABLES OR CHAIRS TRANSPORT OR ACCOMODATION FOR PATIENTS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	To provide a wheelchair having excellent durability and safety and being sufficiently light in weight.SOLUTION: A two-phase stainless steel for wheelchair frames is for use in a main frame of a wheelchair, and has a chemical composition containing, in mass%, C: 0.06% or less, Si: 1.5% or less, Mn: 0.5-5.0%, Cr: 19.0-24.0%, Ni: 0.50-4.0%, Cu: 0.1-3.0%, N: 0.06-0.25%, and, optionally, specified quantities of Mo, V, Ca, Al, Co, Nb, Ti, W, B, Sn, Sb, Zr, Ta, REM, with the balance being Fe and impurities.SELECTED DRAWING: Figure 2 【課題】優れた耐久性および安全性を備え、かつ十分に軽量な車椅子の提供【解決手段】車椅子の主フレームに用いる二相ステンレス鋼であって、化学組成が、質量％で、Ｃ：０．０６％以下、Ｓｉ：１．５％以下、Ｍｎ：０．５〜５．０％、Ｃｒ：１９．０〜２４．０％、Ｎｉ：０．５０〜４．０％、Ｃｕ：０．１〜３．０％、Ｎ：０．０６〜０．２５％、必要に応じて、所定量のＭｏ、Ｖ、Ｃａ、Ａｌ、Ｃｏ、Ｎｂ、Ｔｉ、Ｗ、Ｂ、Ｓｎ、Ｓｂ、Ｚｒ、Ｔａ、ＲＥＭを含み、残部Ｆｅおよび不純物である化学組成を有する、車椅子フレーム用二相ステンレス鋼。【選択図】図２