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Classification of electric heating elements

Update:12-10-2019
Abst:

1 According to its structure, it is divided into two ca […]

1 According to its structure, it is divided into two categories: single electric heating element and composite electric heating element: single electric heating element is composed of one material; composite electric heating element is composed of several materials.
2 According to different materials, it can be divided into metal electric heating elements and non-metal electric heating elements: metal electric heating elements such as nickel-chromium wire (Ni-Cr), iron-chromium-aluminum wire (Fe-Cr-Al), nickel-iron wire (Ni-Fe) ), nickel-copper wire (Ni-Cu), etc.; non-metal electric heating elements include silicon carbide, silicon molybdenum rods, PTC electric heating elements, electrothermal coatings, and the like.
3 According to its shape can be divided into metal tubular, quartz tubular, ceramic tubular, plate-shaped, square, oval, round, ceramic-coated electric heating elements, etc.