The electric heating radiant tube's core is ingeniously crafted from U-shaped, axially arranged, end-welded resistance wires, meticulously supported by durable ceramic frames. This design ensures excellent heat dissipation, as the inner core remains unshielded from the outer protective sleeve. The radiant tube, boasting a rated working temperature of 1000 degrees, uses Cr20Ni80 or 0Cr21AI6Nb resistance wires, efficiently reaching surface temperatures up to 1200 degrees. This high-performance tube, made from the finest materials, supports temperatures up to 1000 degrees, thanks to its high alumina ceramic frames. The outer sleeve, a marvel of engineering, uses a cold-drawn, seamless, thin-walled heat-resistant steel pipe, crafted from 1Cr25Ni20Si2 or 1Cr25Ni35Si2, known for its exceptional high-temperature oxidation resistance, superior high-temperature creep strength, and resistance to carburizing. Designed with a high safety factor, the radiant tube reaches a rated working temperature of 1200 degrees, with 0Cr27AI7Mo2 resistance wires enabling surface temperatures of 1400 degrees. Short-term peak performance can hit 1250 degrees, with steel jade porcelain support frames. The outer sleeve features a cold-drawn, seamless, thin-walled heat-resistant steel pipe made of Fe Ni CrAI Re alloy, offering remarkable oxidation resistance, suitable for prolonged operation at 1300 degrees Celsius in oxidizing conditions and withstands short-term exposure to 1360 degrees Celsius, perfectly designed for environments with high temperatures, low oxygen partial pressure, and SC presence.
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