Experience in application of electric arc surfacing with flux-cored wire at the enterprises of Ukraine

Abstract

The surfacing using flux-cored wire finds a wide application in many branches of industry and, first of all, in the repair works. At the present time the largest manufacturer of flux-cored wires for surfacing in Ukraine is the enterprise «TM. VELTEK». In the present work the developments of this enterprise and the experience of their use in repair surfacing of rolls of rolling stands, CCM rollers, wheel cranes and also the rollers of straightening machines and critical parts of hydraulic supports of mining equipment are described. 20 Ref., 3 Tables, 7 Figures. K e y w o r d s : arc surfacing, flux-cored wires, repair works, wear resistance, hardness, microstructure, increase in service llife Received 28.07.2016 Figure 7. Macrosection of plunger fragment after surfacing