Steel for railway crossing points

Details Steel for railway crossing points Steel for railway crossing points

C - Chemistry, Metallurgy

22

C

C22C 38/44 (2006.01) C22C 38/46 (2006.01) E01B 7/10 (2006.01)

Patent

CA 2355868

Steel especially for production of railway and tram point crossing frogs, including iron with weight % of 0,07 up to 0,15 % of carbon, 0,50 up to 1,20 % of manganese, maximally 0,50 % of silicon, 1,20 up to 2,00 % of chrome, 0,40 up to 0,70 % of molybdenum, 2,50 up to 3,50 % of nickel, maximally 0,13 % of vanadium, maximally 0,05 % of titan, maximally 0,045 % of the total contents of aluminium in steel, maximally 0,015 % of phosphor, maximally 0,015 % of sulphur.

L'invention concerne un acier destiné en particulier à la production de coeurs de points de croisement ferroviaires et pour tramway, comprenant du fer avec, exprimés en pourcentage en poids, 0,07 jusqu'à 0,15 % de carbone, 0,50 jusqu'à 1,20 % de manganèse, au maximum 0,50 % de silicium, 1,20 jusqu'à 2,00 % de chrome, 0,40 jusqu'à 0,70 % de molybdène, 2,50 jusqu'à 3,50 % de nickel, au maximum 0,13 % de vanadium, au maximum 0,05 % de titane, au maximum 0,045 % des contenus totaux d'aluminium dans l'acier, au maximum 0,015 % de phosphore, au maximum 0,015 % de soufre.

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