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High temperature graphite bearing

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High temperature graphite bearing

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[summary] high temperature graphite bearing material:

Graphite is a carbon crystal, is a non-metallic materials, color silver gray, soft, with a metallic luster. Mohs hardness is 1~2, the proportion of 2.2~2.3, its density is generally 1.5~1.8.

Graphite melting points high, under vacuum to 3000 DEG C began to soften the trend of molten state, to 36 DEG C when graphite begins to evaporation sublimation, general materials in high temperature strength decreases gradually and graphite in the heating to 2000 DEG C, the strength but comparing with normal temperature, improve a times, but low oxidation properties of graphite difference tends to increase with the temperature increased oxidation rate.

Graphite thermal conductivity and electrical conductivity is very high, and the conductivity than stainless steel high 4 times and 2 times higher than that of carbon steel, general non-metallic 100 times higher than. The thermal conductivity, not only over steel, iron, lead and other metal materials, and with the temperature increased thermal conductivity decreased, this and general metal materials, under the high temperature, graphite and tends adiabatic condition. Therefore, in the high temperature conditions, the graphite insulation performance is very reliable.
High temperature graphite bearing

High temperature graphite bearing

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