The electric heating radiant tube boasts a sophisticated heating core, featuring a configuration of U-shaped, axially aligned, end-welded resistance wires, supported by robust ceramic frames. Remarkably, it ensures optimal heat dissipation due to the absence of any shielding between the inner core and the outer protective sleeve. Engineered for efficiency, the rated working temperature of this superior electric radiation tube is a remarkable 1000 degrees, crafted with high-grade resistance wires such as Cr20Ni80 or 0Cr21AI6Nb. These materials enable a surface working temperature of an impressive 1200 degrees. The construction of this component ensures the maximum working temperature soars to 1000 degrees, supported by high alumina ceramic parts. The protective outer sleeve is meticulously crafted from a cold-drawn seamless thin-walled heat-resistant steel pipe, utilizing alloys like 1Cr25Ni20Si2 or 1Cr25Ni35Si2, renowned for their exceptional high-temperature oxidation resistance, elevated creep strength, and carburizing resistance. Designed with precision and safety in mind, the rated working temperature can reach 1200 degrees, and the resistance wire is composed of 0Cr27AI7Mo2, achieving a surface temperature of up to 1400 degrees. For short-term applications, the electric radiation tube can withstand temperatures up to 1250 degrees, with supporting frames made of steel jade porcelain. Its protective sleeve, a cold-drawn seamless pipe of Fe Ni CrAI Re alloy, delivers unmatched oxidation resistance, enduring prolonged exposure at 1300 degrees Celsius and brief periods at 1360 degrees Celsius. This product is ideal for high-temperature, low oxygen, and SC containing environments.
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