EMT IMC Rigid Conduit with UL listed should be Hot dip galvanized,all Pre-galvanized or Electro-galvanized Pipes can't pass UL testing pls note.
EMT IMC Pipe bending should be standard thickness
If the thinner type Pipe bending will be wrinkled or broken.
Galvanized conduit fittings should be stored in dry conditions to prevent the build up of white rust (wet storage stain). Should this occur, it can be removed and is unlikely to affect the conduit fittings resistance against corrosion