Emil Otto is aiming at joining steel, stainless steel, brass and copper objects below 450°C with three tin-based soft-soldering pastes. “The soldering and tinning pastes do not require zinc chloride, ...
Soldering uses alloys that melt below 840°F to join metals. Molten solder fills the space between surfaces to be joined, adheres to the surfaces, and solidifies. Typical soldering steps include: ...