The heating core of the electric heating radiant tube is ingeniously constructed with U-shaped axially arranged end-welded resistance wires and robust ceramic support frames, ensuring optimal performance. Crafted without any shielding between the inner core and the outer protective sleeve, it boasts excellent heat dissipation properties. The rated working temperature of this exceptional electric radiation tube reaches a remarkable 1000 degrees. The resistance wires are manufactured from high-quality materials such as Cr20Ni80 or 0Cr21AI6Nb, allowing the surface working temperature to soar up to 1200 degrees. This meticulously designed radiation tube, made of premium materials, can withstand a maximum working temperature of 1000 degrees, with the support frame fashioned from high alumina ceramic parts. The outer protective sleeve is composed of a cold drawn seamless thin-walled heat-resistant steel pipe, expertly crafted from 1Cr25Ni20Si2 or 1Cr25Ni35Si2. This material selection is renowned for its outstanding high-temperature oxidation resistance, impressive high-temperature creep strength, and notable carburizing resistance. The design and material selection of this radiation tube ensure an unparalleled safety factor. With a rated working temperature reaching 1200 degrees, the resistance wire is made of 0Cr27AI7Mo2, allowing the surface working temperature to achieve an astonishing 1400 degrees. The maximum short-term working temperature of this advanced electric radiation tube is 1250 degrees, with the support frame constructed from steel jade porcelain. The outer protective sleeve is a cold drawn seamless thin-walled heat-resistant steel pipe crafted from Fe Ni CrAI Re alloy, renowned for its superior oxidation resistance. The tube can operate continuously at 1300 degrees Celsius in an oxidizing atmosphere, with short-term oxidation resistance at 1360 degrees Celsius. Ideal for environments characterized by high temperatures, low oxygen partial pressure, and SC presence.
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