Wire welding of staly with the low content of Sv - 08 carbon; The Sv - 08 and alloyed Sv - 08GS; Sv - 08G2S.
By the form surfaces the wire is made neomedneny and copperplated. A copper covering - 6 microns. The surface of a wire has to be pure and smooth, without cracks, stratifications, captivity, declines, zaboin, scales, rusts, oils, etc. pollution. Separate risks, scratches, a local ryabizna, dents by depth of no more maximum deviation on diameter are allowed.