Hard surfacing of steel - by build-up welding with strip electrodes

The wear resistance of structural components made of steel, which are used for blast furnace equipment, is improved by applying a hard surface by build-up welding with strip electrodes. The electrode is constructed of a metal housing of Cu, or a Cu alloy contg. Ni. or a Cu alloy with Ni, al and Mn,...

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Bibliographische Detailangaben
1. Verfasser:	V. A. MURATOV, V. V. CHIGAREV, L. S. MALINOV, L. A. SURZHIKOVA, V. V. TARASOV, V. M. MANOV, A. A. KOLECHKO ET A. V. ZARECHENSKY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The wear resistance of structural components made of steel, which are used for blast furnace equipment, is improved by applying a hard surface by build-up welding with strip electrodes. The electrode is constructed of a metal housing of Cu, or a Cu alloy contg. Ni. or a Cu alloy with Ni, al and Mn, which is filled with a powder mixt. composed of (wt.% of total wt. of electrode) W carbide 45 - 70, Ni 0.3 - 10.5, Mn 0.5 - 11, contg. in addn. Mg 0.2 - 1.0, Al 0.2 - 1.0, a fluorpolymer 1.5 - 3.0, Ti 0.3 - 0.6 and Ni oxide 0.5 -1.5. Used for improving the wear resistance of blast furnace charging equipment, made of steel, such as dampers, throat stoppers and funnels.