We produce the thermocouple Protection Tube for many years which in made of high temperature Metal Ceramics and Stellite Alloy , The material was researched by professor Li Rongjiu in Northeastern University who has been engaged in this filed for more than 30 years , we bought his technology and produce it exclusive .
Stellite Chemical compositions (%)
Brand | C | Mn | Si | Cr | Ni | Mo | W | Co | Fe | P | S | Density (g/cm3) | Hardness (HRC) |
stellite 3 | 2.0-2.7 | 1.0 | 1.0 | 29-33 | 3.0 | | 11-14 | Bal. | 3.0 | ≤0.03 | ≤0.03 | 8.55 | 51-55 |
stellite 6 | 0.9-1.4 | 1.0 | 1.5 | 27-31 | 3.0 | 1.5 | 3.5-5.5 | Bal. | 3.0 | ≤0.03 | ≤0.03 | 8.35 | 38-44 |
Thermocouple Protection Tube for high temperature salt bath furnace , the lifespan will be 1 month when it is used to the liquid of 1280℃.
Its main material composition Mo and Al2O3
Thermocouple protection tube can resist the corrosion of steel liquid , the life span will be 24 hours when it is used to 1450 and 1560 steel liquid.
Its main material composition is ZrO2 and SiO2 .