ELECTRODE COATING Russian patent published in 1998 - IPC

FIELD: mechanical engineering; hand arc welding; electrodes with main type coating for ac and DC welding of structures made of low carbon and low alloy constructional steels. SUBSTANCE: electrode has core made of low carbon wire CB-08 and coating of the following composition, mas.-%: marble, 47-52; fluorspar, 7-9.4; ferromagnesite, 1.5-5; ferrosilicon, 2-5; ferrotitanium, 7-12; titanium dioxide, 4-10; magnesite, 5-8; mica - muscovite, 4-7; aluminium oxide, 4-7; potash, 0.5-3; plasticizer, 0.2-1; quarts sand, 3-9. EFFECT: enlarged operating capabilities. 2 cl