The heart of the electric radiant heating tube is intricately crafted with U-shaped, axially arranged, end-welded resistance wires supported by durable ceramic frames. Ingeniously designed without a shield between the core and the outer layer, this facilitates optimal heat dissipation. This radiant tube boasts a rated working temperature of up to 1000 degrees Celsius, with resistance wires made from high-quality Cr20Ni80 or 0Cr21AI6Nb, ensuring a robust performance with a surface working temperature reaching an impressive 1200 degrees. For maximum endurance, the radiant tube constructed from this material can reach a peak working temperature of 1000 degrees. The structural integrity is fortified by high alumina ceramic components. Encased in a cold-drawn, seamless, thin-walled, heat-resistant steel shell made from 1Cr25Ni20Si2 or 1Cr25Ni35Si2, the tube exhibits excellent high-temperature oxidation resistance, superior creep strength, and exceptional carburizing resistance. Engineered with a focus on safety, the electric radiant tube also has a rated working temperature of 1200 degrees, with resistance wires crafted from 0Cr27AI7Mo2, and can achieve a surface working temperature up to 1400 degrees. The innovative support frame uses robust steel jade porcelain, while the protective outer sleeve is crafted from a cold-drawn, seamless, thin-walled, heat-resistant steel alloy of Fe Ni CrAI Re, delivering high resilience against oxidation. Capable of sustained operation at 1300 degrees Celsius in oxidizing atmospheres and short-term resistance at 1360 degrees Celsius, this radiant tube is ideal for high-temperature, low-oxygen, and SC containing environments.
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