The electric heating radiant tube features a high-performance heating core, crafted from meticulously arranged U-shaped resistance wires and robust ceramic support frames. With no barriers between the core and its protective sleeve, it ensures excellent heat dissipation. Designed for a rated working temperature of 1000 degrees Celsius, it boasts resistance wires made of Cr20Ni80 or 0Cr21AI6Nb, achieving surface temperatures up to 1200 degrees. This innovative material composition allows the radiant tube to reach a maximum working temperature of 1000 degrees, supported by high alumina ceramic frames. The outer protective sleeve is ingeniously engineered from cold-drawn seamless thin-walled heat-resistant steel, such as 1Cr25Ni20Si2 or 1Cr25Ni35Si2, offering superior resistance to high-temperature oxidation, creep strength, and carburizing attack. With a high safety factor in its design, the radiant tube also offers an elevated rated working temperature of 1200 degrees, utilizing 0Cr27AI7Mo2 resistance wires to reach surface temperatures of 1400 degrees. The highest short-term capability is an impressive 1250 degrees, supported by durable steel jade porcelain frames. Encased in a technologically advanced cold-drawn seamless thin-walled heat-resistant steel pipe of Fe Ni CrAI Re alloy, it showcases exceptional oxidation resistance, operating reliably at 1300 degrees Celsius and briefly at 1360 degrees. Ideal for high-temperature settings with low oxygen and SC-containing environments, this tube exemplifies cutting-edge heat-resistant technology.
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