graphite tube

Grade HTK1Typical Properties at Room TemperatureEnglish UnitMetric UnitBulk Density99 lbs/ft31.60 g/cm3Max. Grain Size0.155 in.4.0 mmSpecific Resistance3.9x10-4 ohm in.10.0 μ ohm mCompressive Strength3190 psi22 MPaFlexural Strength1160 psi8.0 MPaC.T.E. (R.T. to 100)1.1x10-6 /°F1.9x10-6/°CGrade HTK2Typical Properties at Room TemperatureEnglish UnitMetric UnitBulk Density106 lbs/ft31.72 g/cm3Max. Grain Size0.078 in.2.0 mmSpecific Resistance3.2x10-4 ohm in.8.0 μ ohm mCompressive Strength4360 psi30.0 MPaFlexural Strength1890 psi13.0 MPaC.T.E. (R.T. to 100)1.2x10-6 /°F2.1x10-6/°CGrade HTK3 Typical Properties at Room TemperatureEnglish UnitMetric UnitBulk Density109 lbs/ft³1.75g/cm³Max. Grain Size0.031 in.0.8 mmSpecific Resistance3.1x10-4 ohm in.7.9 μ ohm mCompressive Strength6540 psi45.0 MPaFlexural Strength2610 psi18.0 MPaC.T.E. (R.T. to 100)1.2x10-6 /°F2.2x10-6/°CGrade HTY1Typical Properties at Room TemperatureEnglish UnitMetric UnitBulk Density107 lbs/ft³1.73 g/cm³Max. Grain Size0.031 in.0.8 mmSpecific Resistance3.2x10-4 ohm in.8.0 μ ohm mCompressive Strength5080 psi35.0 MPaFlexural Strength2180 psi15.0 MPaC.T.E. (R.T. to 100)1.2x10-6 /°F2.2x10-6/°C