Flux composition for flux-cored wire

摘要

Flux composition for a flux-cored wire to be used for welding and surfacing steels with the gas-shielded process comprises flux ingredients in the following amounts, by weight %: rutile concentrate: 20-53 ferromanganese: 10-22.8 ferrosilicon: 1.3-6 sodium fluosilicate: 1-5 calcined magnesite: 1.3-10 electrocorundum: 1.6-7.5 iron powder: balance.