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The operating temperature of iron-chromium-aluminum electric heating wire

2025-04-23

Iron-chromium-aluminum alloy (FeCrAl) is widely used in electric heating elements, high-temperature filter materials and heat-resistant structural components due to its excellent high-temperature oxidation resistance, good mechanical properties and high r

The operating temperature range of iron-chromium-aluminum electric heating wire is wide, and the specific operating temperature varies according to different specifications and alloy compositions. Generally speaking, the working temperature range of iron-chromium-aluminum heating wires is 600 to 1400℃. For certain specific specifications or alloy compositions of iron-chromium-aluminum heating wires, the maximum operating temperature can reach over 1400℃, such as the maximum operating temperature of HRE alloy, which can reach 1425℃.
In practical applications, different specifications of iron-chromium-aluminum heating wires have their recommended operating temperature ranges. For instance, the DR21 specification iron-chromium-aluminum heating wire is recommended for use at 900 to 950℃, with a maximum operating temperature of up to 1100℃. DR22 is suitable for temperatures ranging from 1050 to 1200℃, with a maximum temperature of 1300℃. DR23 and DR24 perform best within the range of 1050-1200℃ and 1200-1300℃ respectively, with their maximum operating temperatures being 1300℃ and 1400℃ respectively.
In addition, the operating temperature of iron-chromium-aluminum heating wires is also affected by factors such as the diameter and length of the heating wires, as well as the design of the heating equipment. Therefore, when choosing iron-chromium-aluminum heating wires, it is necessary to determine the appropriate specifications and models based on specific usage conditions and requirements.

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