The core of our electric heating radiant tube is ingeniously crafted with U-shaped, axially arranged end-welded resistance wires supported by durable ceramic frames. With no shielding between the core and its outer sleeve, this design ensures exceptional heat dissipation. The radiant tube boasts a remarkable rated operating temperature of 1000 degrees Celsius, with resistance wires made from premium Cr20Ni80 or 0Cr21AI6Nb materials, achieving surface temperatures up to 1200 degrees. The high-grade construction allows a maximum operating temperature of 1000 degrees, utilizing high alumina ceramic support frames. Encased in a cold-drawn, seamless, thin-walled steel pipe of 1Cr25Ni20Si2 or 1Cr25Ni35Si2, this product offers outstanding oxidation resistance at high temperatures, superior creep strength, and resilience against carburizing. With a robust design and material selection, the safety factor is unparalleled. A variant with resistance wire of 0Cr27AI7Mo2 reaches a rated working temperature of 1200 degrees and surfaces up to 1400 degrees. Its short-term threshold is an impressive 1250 degrees, with steel jade porcelain frames and an Fe Ni CrAI Re alloy sleeve, exhibiting excellent oxidation resistance for prolonged use at 1300 degrees in oxidizing conditions and short-term at 1360 degrees, ideal for extreme environments with low oxygen and SC.
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