For starters, understand that the lifting platform is supposed to provide a solid, secure area for lifting - it is supposed to be capable of taking the pounding of heavy weights being dropped from arms' length overhead, day after day, and it needs to provide a sure-footed area for doing your lifts.
Class K welding cable is the most commonly used. Your standard welding cable is 30 AWG stranded and is available in a red or black jacket. Class K cable is commonly used for stationary welding jobs. Item (sold by the foot) O.D.
Shear Connector Studs are designed to effectively tie the concrete the steel beams and to resist shear loading between the concrete slab and steel beam in composite construction. Length is before weld. Studs will be approximately 3/16 shorter after welding.