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High density extruded graphite

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High density extruded graphite
Chemical composition: carbon (C), ash 1500 ppm
Property Value in metric unit Value in US unit
Density 1.80*10³ kg/m³ 112 lb/ft³
Maximum grain size 760 μm 30 microinch
Permeability 5*10-3 Darcy 5*10-3 Darcy
Modulus of elasticity WG 11 GPa 1590 ksi
Modulus of elasticity AG 9.3 GPa 1350 ksi
Flexural strength WG 22 MPa 3190 psi
Flexural strength AG 19 MPa 2755 psi
Tensile strength WG 15.9 MPa 2300 psi
Tensile strength AG 14 MPa 2030 psi
Compressive strength 59 MPa 8500 psi
Hardness (Rockwell R) 94 RR 94 RR
Thermal expansion WG 3.2*10-6 ºCˉ¹ 1.8*10-6 in/(in* ºF)
Thermal expansion AG 3.8*10-6 ºCˉ¹ 2.1*10-6 in/(in* ºF)
Thermal conductivity WG 170 W/(m*K) 1178 BTU*in/(hr*ft²*ºF)
Thermal conductivity AG 150 W/(m*K) 1040 BTU*in/(hr*ft²*ºF)
Electric resistivity WG 7*10-6 Ohm*m 7*10-4 Ohm*cm
Electric resistivity AG 7.5*10-6 Ohm*m 7.5*10-4 Ohm*cm

WG - with grain direction
AG - against grain direction

Applications: quartz processing, silicon crystal growth, electronic fixturing.

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high_density_extruded_graphite.txt · Last modified: 2012/09/01 by dmitri_kopeliovich
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