Thermo-Est is a specialist of heating element applications, and can offer you mineral insulated jacketed cables. Standard Thermo-Est products include a large range of heating cables with outer diameters from 0.5 mm to 6.5 mm and stainless steel sleeves (e.g. AISI 304, AISI 304 L, AISI 316 L, AISI 321, AISI 316 TI) up to 700°C or Inconel 600 (2.4816) sleeves up to 1000°C, special alloys such as AISI 310 S, Inconel 625, Inconel 800 and others are available as well. (See heating cable safety instructions).