Tungsten tube application time :2013-7-20 7:34:06

Tungsten wire tube English name: Tungsten Tube appearance; silver-gray metal.
Implementation of the standards; GB / T 4187-1984 ASTM F288-90
Specifications; Φ (6.0 ~ 200) mm × Φ (3.0 ~ 180) mm × (50 ~ 400) mm Special sizes tube design and production according to customer demand.
Pipes are mainly used in high temperature furnace thermocouple protection tube, sapphire crystal furnace, high temperature sintering furnace support other aspects
Features; 1 has a very high purity, generally purity above 99.95%;

           2. Its density is more than 18.2g/cm3;

           3. Recommended operating temperature should be lower than 2500 ℃;

           4. Clarinet at 2027 ℃ was 0.2965;

           5. At 1600 ℃, the thermal expansion coefficient of 4.98x10-6;

           6. At 1400 ℃ for the specific heat capacity of 0.16J / g. ℃.
Molybdenum tube, the English name molybdenum. The density of 10.2 g of molybdenum / cc, melting point 2610 ℃, boiling point of 5560 ℃. .
Molybdenum tube preferably at temperatures below 1800 ℃ long term, short-term use temperatures up to 2000 ℃; tungsten tube is able to work at 2100 ℃ long-term.
We are professional making seamless tungsten, molybdenum tube manufacturers, is currently the only time I played molding of the longest, most detailed, most tungsten and molybdenum tube, the normal use temperature 2300 ℃, melting point 2600 ℃),