Originally Posted by mkeller234

Electroforged does not describe the tubing material, it describes how the tubes are joined. A typical hi tensile steel frame is normally lugged or tig welded where the tubes join. Schwinn was the only one to build electro forged frames, here is a great article describing the process, http://www.sheldonbrown.com/varsity.html.

Schwinn also rolled their own tubing, just some plain old gas pipe steel. The nicer frames like the supersport were made with cro moly tubing and filet brazed.