Steel cord ply for reinforcing car and aircraft tyres - where steel contains calcium and cobalt for longer tyre life

Steel for wire cord ply, where the steel is treated in the ladle with a slag-forming mixt. and with an inert gas, and where the steel contains C, Si, Mn and Fe. The novelty is the addn. of 0.001-0.005% Co and 0.001-0.005% Ca the other constituents being 0.65-0.85% C, 0.2-0.37% Si, 0.3-0.7% Mn, all i...

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Bibliographische Detailangaben
Hauptverfasser:	B. CHUSNOJAROW,KARL, P. SCHARKOW,LEONID, D. ROLSCHKOW,LEONID, K. LICHOW,WITALIJ, P. CHLESTKIN,MICHAIL, N. PETUCHOW,IWAN, W. SOKOLOW,NIKOLAJ, A. KARAWAJ,WLADIMIR, M. PETROW,KUART, A. GOLOMASOW,WIKTOR, F. DUBROW,NIKOLAJ, I. SAWELIEW,ALEKSEJ, N. WLASOW,NIKOLAJ
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Steel for wire cord ply, where the steel is treated in the ladle with a slag-forming mixt. and with an inert gas, and where the steel contains C, Si, Mn and Fe. The novelty is the addn. of 0.001-0.005% Co and 0.001-0.005% Ca the other constituents being 0.65-0.85% C, 0.2-0.37% Si, 0.3-0.7% Mn, all in wt. %, the balance being iron. The steel may also contain, by wt., all maxima, 0.015% P, 0.015%S, 0.01% Cr, 0.05% Ni, 0.05% Cu, 0.003% O2 and 0.035 N2. The pref. use is for technical rubber prodts. predominantly tyres for motor vehicles, motor-cycles and for aeroplanes, where the tyres are reinforced with the steel wire cord ply. Improved bending strength and stiffness so longer tyre life is obtd.