The hard ball rod is covered with a fusible layer to facilitate the work process and ensure a firm and corrosion-resistant connection. The working temperature of the Welding rod is between 870 and 890 °C.
Solid lead can be used to make indestructible joints by means of soldering from steel, cast iron, copper alloys and bronze parts. It is possible to connect parts of the same material as well as parts of different materials.
Examples of use – soldering of carbide plates of cutting tools to the shank of the holder, connection and repair of water supply and heating steel pipelines and fittings.