... steel,carbon steel etc. Steel Weld-neck FlangeSimple SpecificationsA flange is an external or internal rib, or rim (lip ... wheel; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., ... Thus a flanged rail is a rail with a flange on one side to keep wheels, etc., from ... running off. The term "flange" is also used for a kind of tool used ...