C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
238/179
C22C 38/08 (2006.01) B23K 35/30 (2006.01) E01B 7/10 (2006.01)
Patent
CA 1218048
A b s t r a c t Frog, in particular frog point, for rail crossings or rail switches as well as process for producing same In a steel frog for rail crossings and rail switches, the frog point or, respectively, the surface of the frog being travelled upon by the wheels consists of an age- hardening steel having the composition C 0.01 to 0005 % Ti 0.1 to 1 % Si 0.01 to 0.2 % Cr 0 to 13 % Mn 0.01 to 0.2 % Al 0 to 0.2 % Co 0 to 15 % B 0 to 0.1 % Mo 1.5 to 6 % Zr 0 to 001 % Ni 7 to 20 % The frog is manufactured such that the surface being travelled upon by the wheels is applied by build-up welding onto a base body consisting of nominal rail steel.
436520
Augustin Hubert
Pirker Robert
Marks & Clerk
Voest - Alpine Aktiengesellschaft
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