The heart of our electric heating radiant tube, the heating core, is ingeniously crafted from U-shaped axially arranged end-welded resistance wires, harmoniously paired with robust ceramic support frames. Without any shielding between the inner core and the outer protective sleeve, this design ensures exceptional heat dissipation. Our electric radiation tube proudly boasts a rated working temperature of 1000 degrees, with resistance wires made from Cr20Ni80 or 0Cr21AI6Nb materials. The surface working temperature gracefully reaches up to 1200 degrees. The superior material composition allows the electric radiation tube to achieve a maximum working temperature of 1000 degrees, supported by high alumina ceramic frames. The outer protective sleeve, a masterpiece of engineering, is fashioned from cold drawn seamless thin-walled heat-resistant steel, specifically 1Cr25Ni20Si2 or 1Cr25Ni35Si2, ensuring superb high-temperature oxidation resistance, admirable high-temperature creep strength, and commendable carburizing resistance. The meticulously designed radiation tube offers an exceptional safety factor, with resistance wire material of 0Cr27AI7Mo2 allowing a rated working temperature of 1200 degrees and a surface temperature soaring to 1400 degrees. The ultimate short-term working temperature reaches an impressive 1250 degrees, with the support frame crafted from durable steel jade porcelain. The outer sleeve, created from cold drawn seamless thin-walled heat-resistant steel, utilizes Fe Ni CrAI Re alloy for premier oxidation resistance, operating reliably at 1300 degrees Celsius in oxidizing environments and durable short-term at 1360 degrees Celsius, making it ideal for high-temperature, low oxygen, and SC containing environments.
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