ELECTRODE COATING Russian patent published in 1997 - IPC

FIELD: welding materials for high and medium- carbon steels. SUBSTANCE: coating contains (in wt %): electrode coating blend, 53-60; wood meal, 5-7; baddeleyte concentrate , the balance. Electrode coating is, in turn, composed of (in wt %): rutile, 48; feldspar, 30; ferro-manganese, 15; magnesite, 5; and dextrin, 2. Chief components of baddeleyte are (in wt %): zirconium oxide, 47-49; silicon oxide, 20.2-21.5; calcium oxide, 4.02-4.8; iron oxides, 1.5-2.2; and aluminium oxide, 1.3-1.5. EFFECT: increased reliability of welding seam, improved stability of arc burning, and avoided heat treatment of welding join. 2 cl, 1 tbl