... radiant gas heaters 1.Standards:ASME,DIN,GB 2.Material:Alloy 4.W and U type radiant tube 3.ISO9001:2008 Centrifugal Casting radiant ... time:30-60days;6.Payment:L/C,T/T7.Usage: Radiant tube is used as gas burner heater.It is made ... process,characteristic of heat resistanceand excellent creep srtength. Centrifugal Casting radiant gas heaters