Wear-resisting material, is related to the thermocouple protection tube material. Due to environment temperature difference, high temperature control point, vibration, serious blower high wind speed, wear, causing the temperature measurement is very difficult, short service life. 1, metal ceramic wear resistance: the protection of silicon carbide ceramic tube, high temperature can reach 1300 ℃, built-in or k s dividing core body, specially applicable to the cement preheater, working condition of circulating fluidized bed contour U. S. wear-resisting of temperature measurement. Material composition: sic using temperature: 0 ~ 1300 ℃, hot blast stove is special wear-resisting: using new type of silicon carbide ceramic protection tube, high temperature can reach 1300 ℃, for inner core s degree or high b dividing WenXin body, specially suitable for hot blast stove temperature measurement. Material composition: sic using temperature: 0 ~ 1300 ℃, high temperature alloy wear-resistant: adopt special heat-resistant and wear-resistant alloy material as temperature measuring external protecting tube and wear-resisting head, inner core body, the erosion of fly ash particles can not only has high corrosion resistance, and under the condition of high temperature on the inner core body can play a good protective effect. Can adopt the flanged or threaded connection, between 0 ~ 1200 ℃ temperature measurement for a long time, is applied to metallurgical industry high temperature, wear resistance of environment is ideal temperature sensor. Material: k1320 heat-resistant wear-resistant alloy temperature: 0 ~ 1200 ℃, iron, aluminum ceramic protection tube: iron base containing aluminum and cleverly add a12o3 powder, iron and aluminum porcelain was ( tlc) Special gold, iron and aluminum alloy porcelain made thermocouple ( Resistance) Protecting tube, become iron aluminum ceramic thermocouple (namely Resistance) - key parts Iron and aluminum ceramic protection tube. According to working temperature, wear condition, the type of medium, pressure equation, made into different series of iron and aluminum ceramic protection tube.