... Fast heat response 3,Various sizes Electric Tubular Flange Heater Hongtai flange heaters, both round flange and square ... steel 304 is the normal material.Incoloy SheathAir heating, radiant heating, cleaning and degreasing solutions, plating and pickling solutions ... temperature.Titanium tubecorrosive environment.When you order the flange heater, please note the specifications as follows:1,Flange ...