The heating core of the Leader Electric Heater - Robust Heating Electric Radiant Tube is meticulously composed of U-shaped, axially aligned end welded resistance wires and ceramic support frames. This design ensures exceptional heat dissipation as there is no shielding between the inner core and the outer protective sleeve. The electric radiation tube boasts a formidable rated working temperature of up to 1000 degrees, with resistance wires crafted from Cr20Ni80 or 0Cr21AI6Nb materials, ensuring the surface working temperature reaches an impressive 1200 degrees. The outer protective sleeve, made from cold drawn seamless thin-walled heat-resistant steel pipes, utilizes either 1Cr25Ni20Si2 or 1Cr25Ni35Si2, offering excellent high-temperature oxidation resistance, remarkable high-temperature creep strength, and significant resistance to carburization. This innovative design and premium material selection reflect a high safety factor, making it a superior choice for various applications. The next level of performance sees the rated working temperature of the electric radiation tube soaring to 1200 degrees, with resistance wires of 0Cr27AI7Mo2, allowing the surface working temperature to reach an astounding 1400 degrees. This material can withstand a maximum short-term working temperature of 1250 degrees. The support frame is meticulously made of steel jade porcelain, while the outer protective sleeve features a cold drawn seamless thin-walled heat-resistant steel pipe of Fe Ni CrAI Re alloy, renowned for its high oxidation resistance. It offers reliable functionality in oxidizing environments, enduring long-term operation at 1300 degrees Celsius and short-term oxidation resistance at 1360 degrees Celsius. Perfectly suited for high-temperature, low oxygen partial pressure, and SC containing environments, this electric radiant tube stands as a testament to engineering excellence.
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