不锈钢电加热管是以金属管为外壳这种金属铠装电热元件可以加热空气，金属模具和各种液体。不锈钢电加热管是在金属管中放入电热元件，并在空隙部分紧密填充有良好耐热性、导热性和绝缘性的结晶氧化镁粉，在经其它工艺处理而成。它具有结构简单，机械强度高、热效率高、安全可靠、安装简便、使用寿命长等特点。广泛适用于各种硝石槽、水槽、油槽、酸碱槽、易熔金属熔化炉、空气加热炉、干燥炉、干燥箱、热压模等装置。
Stainless steel electric heating tube is a metal tube as the shell. This metal armored electric heating element can heat air, metal mold and various liquids. The stainless steel electric heating tube is made of crystallized magnesia powder with good heat resistance, thermal conductivity and insulation, which is put into the metal tube and filled tightly in the gap. The utility model has the advantages of simple structure, high mechanical strength, high thermal efficiency, safety and reliability, simple installation, long service life, etc. It is widely used in all kinds of niter tank, water tank, oil tank, acid and alkali tank, fusible metal melting furnace, air heating furnace, drying oven, hot pressing die and other devices.