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Extruded graphite

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Extruded graphite
Chemical composition: carbon (C), ash 1500 ppm
Property Value in metric unit Value in US unit
Density 1.76*10³ kg/m³ 110 lb/ft³
Maximum grain size 760 μm 30 microinch
Permeability 2*10-2 Darcy 2*10-2 Darcy
Modulus of elasticity WG 10 GPa 1450 ksi
Modulus of elasticity AG 8.5 GPa 1230 ksi
Flexural strength WG 20 MPa 2900 psi
Flexural strength AG 19 MPa 2755 psi
Tensile strength WG 14 MPa 2030 psi
Tensile strength AG 12 MPa 1740 psi
Compressive strength 55 MPa 8000 psi
Hardness (Rockwell R) 93 RR 93 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 156 W/(m*K) 1081 BTU*in/(hr*ft²*ºF)
Thermal conductivity AG 140 W/(m*K) 970 BTU*in/(hr*ft²*ºF)
Electric resistivity WG 2.9*10-6 Ohm*m 2.9*10-4 Ohm*cm
Electric resistivity AG 3.4*10-6 Ohm*m 3.4*10-4 Ohm*cm

WG - with grain direction
AG - against grain direction

Applications: quartz processing, casting molds, silicon crystal growth, furnace parts.

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extruded_graphite.txt · Last modified: 2023/12/14 by dmitri_kopeliovich
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