Corrosion resistant, magnetic alloy

C - Chemistry – Metallurgy – 22 – C

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75/126, 148/9

C22C 38/18 (2006.01) C21D 8/12 (2006.01) C22C 38/22 (2006.01) H01F 1/047 (2006.01)

Patent

CA 2020875

A ferritic alloy, having an improved combination of magnetic properties and corrosion resistance, contains, in weight percent, about % Carbon 0.03 max. Manganese 0.5 max. Silicon 0.5 max. Phosphorus 0.03 max. Sulfur 0-0.5 Chromium 10-13.0 Molybdenum 0-1.5 Nitrogen 0.05 max. Titanium 0.01 max. Aluminum 0.01 max. and the balance is essentially iron. The alloy, and articles made therefrom, provide higher saturation induction than known corrosion resistant, magnetic alloys.

n alliage ferritique présentant une combinaison améliorée de propriétés magnétiques et de résistance à la corrosion, contient, en pourcentage en poids, environ 0,03 % de carbone au maximum, au maximum 0,5 % de manganèse, au maximum 0,5 % de silicium, au maximum 0,03 % de phosphore, 0-0,5 % de soufre, 10-13,0 % de chrome, 0-1,5 % de molybdène, au maximum 0,05 % d'azote, au maximum 0,01 % de titane et au maximum 0,01 % d'aluminium; le reste est constitué essentiellement de fer. L'alliage, et les objets qui en sont fabriqués, ont une induction magnétique maximale supérieure à celle des alliages magnétiques connus résistants à la corrosion.

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