NONORIENTED SILICON STEEL SHEET EXCELLENT IN RECYCLABILITY

PROBLEM TO BE SOLVED: To provide a nonoriented silicon steel sheet not only excellent in recyclability but also excellent in iron loss properties after stress relieving annealing.SOLUTION: Provided is a nonoriented silicon steel sheet having a compositional composition comprising, by mass, 0.0050% o...

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Bibliographische Detailangaben
Hauptverfasser:	OKUBO TOMOYUKI, ODA YOSHIHIKO, KAMISAKA MASANORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INDUCTANCES MAGNETS METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a nonoriented silicon steel sheet not only excellent in recyclability but also excellent in iron loss properties after stress relieving annealing.SOLUTION: Provided is a nonoriented silicon steel sheet having a compositional composition comprising, by mass, 0.0050% or lower of C, 1.0 to 5.0% Si, 0.03 to 3.0% Mn, 0.2% or lower of P, 0.005% or lower of S, 0.05% or lower of Al, 0.0050% or lower of N, 0.010% or lower of O, 0.0030% or lower of Ti, 0.0030% or lower of Nb and 0.0005 to 0.0050% B, and the balance Fe with inevitable impurities.SELECTED DRAWING: Figure 2 【課題】リサイクル性に優れるだけでなく、歪取焼鈍後の鉄損特性にも優れる無方向性電磁鋼板を提供する。【解決手段】Ｃ：０．００５０ｍａｓｓ％以下、Ｓｉ：１．０〜５．０ｍａｓｓ％、Ｍｎ：０．０３〜３．０ｍａｓｓ％、Ｐ：０．２ｍａｓｓ％以下、Ｓ：０．００５ｍａｓｓ％以下、Ａｌ：０．０５ｍａｓｓ％以下、Ｎ：０．００５０ｍａｓｓ％以下、Ｏ：０．０１０ｍａｓｓ％以下、Ｔｉ：０．００３０ｍａｓｓ％以下、Ｎｂ：０．００３０ｍａｓｓ％以下、Ｂ：０．０００５〜０．００５０ｍａｓｓ％を含有し、残部がＦｅおよび不可避不純物からなる成分組成を有する無方向性電磁鋼板。【選択図】図２