The heating core of the Compact Leader Ceramic Heating Radiant Tube Electric Heater, meticulously crafted by Jiangsu Leader Special Steel Products Co., Ltd., showcases an advanced design featuring U-shaped, axially arranged, end-welded resistance wires and ceramic support frames. With no shielding between the core and the robust outer protective sleeve, optimal heat dissipation is assured. The electric radiation tube thrives at a remarkable rated working temperature of 1000 degrees, thanks to its high-quality resistance wire options of Cr20Ni80 or 0Cr21AI6Nb. Its surface can comfortably reach 1200 degrees, while the top-tier tube constructed from these materials achieves a maximum of 1000 degrees. High alumina ceramic parts are seamlessly integrated into the support frame, and the outer protective sleeve exemplifies durability—crafted from cold-drawn, seamless, thin-walled, heat-resistant steel pipes of 1Cr25Ni20Si2 or 1Cr25Ni35Si2. This material selection promises excellent high-temperature oxidation resistance, robust high-temperature creep strength, and a commendable resistance to carburizing. The safety factor in its design and materials is unparalleled. The tube's rated working temperature can impressively reach 1200 degrees with resistance wire 0Cr27AI7Mo2, elevating the surface capacity to a stunning 1400 degrees. For short-term operations, this tube withstands up to 1250 degrees, with a support frame crafted from steel jade porcelain. A superior outer protective sleeve, made from a cold-drawn, seamless, thin-walled, heat-resistant steel pipe of Fe Ni CrAI Re alloy, boasts remarkable oxidation resistance, performing consistently at 1300 degrees Celsius in oxidizing atmospheres and resisting short-term oxidation up to 1360 degrees Celsius. This product is expertly designed for challenging environments, be it high temperature, low oxygen partial pressures, or SC containing atmospheres.
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