high quality W type radiant tube

W type radiant tube TOPICN13043 Radiant Heater Tube W type radiant tube:mostly used on continuous annealing, vertical annealing furnace of galvanizing lines. In the nitrogen and hydrogen protection atmosphere, burning of natural gas or coke oven gas inside the tube heat the strip steel from room temperature to 750-950℃quickly and evenly through the outer tube radiation heat transfer for the annealing treatment. The straight tube sections are centrifugal castings, and the tube fittings are static castings. Best Radiant Tube Heaters Material: ZG40Cr25Ni20Si2,ZG40Ni35Cr25Nb, ZG45Ni48Cr28W5Si2, ZG30Cr25Ni12, etc.

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