Electrical Discharge Machining Graphite Grade G12
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G12 is an ultrafine grain isotropic EDM Graphite which offers high strength and good wear properties. These properties of G12 enhances the finishing EDM process by providing good detail, wear resistance, speed and fine surface finish.
APPLICATIONS
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Aerospace Applications
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Fine-detailed Electrodes
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Extrusion Dies
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Blind Cavity Work
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Minimum-taper-cavities
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Threading Electrodes
EDM Graphite Grades are designed to span the range of application conditions from high metal removal rates to fine detail finishing.
TYPICAL PROPERTIES @ ROOM TEMPERATURE
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Density - 1.84 g / cm3
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Porosity (Open) - 10 %
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Average Grain Size - 5 µm
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Pore Size - 0.8 µm
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Permeability (air at 20°C) - 3 x 10-2cm2 / sec
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Hardness Rockwell B - 95 (HR 5 / 100)
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Bending strength - 65 N / mm2
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Young´s modulus - 12.5 kN / mm2
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Electrical resistance - 14 µΩm
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Thermal conductivity - 90 Wm-1 k-1
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Thermal expansion (20-200°C) - 3.9 x 10-6 / K
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Ash value - max 0.2%
FABRICATION SERVICES
We provide fabrication services to your specifications.
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Disclaimer: Specifications and descriptions of the articles may change without notice. Teck Leong Industries Pte Ltd, Ban Soon Cheong Pte Ltd, Radiation Control (Asia Pacific) Pte Ltd, Eurometalli (Far East) Pte Ltd and Advance Storage Pte Ltd (known as “Our Group of Companies”) whether jointly or severally is/are not responsible for the accuracy, completeness or usefulness of information contained herein and shall not be liable for any damage, loss, injury or inconvenience arising from or in connection with the contents of this publication. All information presented in this publication is only strictly for reference purposes. Each and every member of Our Group of Companies disclaims all liability for the information presented nor is such information a warranty or representation by Our Group of Companies or any member thereof.